March 2003 - openSUSE Security - openSUSE Mailing Lists

Quirk in seccheck
by Bob Vickers 24 Mar '03

24 Mar '03

I think someone asked about this a week or so and got a misleading answer. The problem is that if you have no world or group writable executables on your system then seccheck produces a peculiar report, e.g. The following program executables are group/world writeable: - drwx------ 25 root root 2048 Thu Mar 13 10:01:21 2003 . + drwx------ 25 root root 2048 Tue Mar 18 11:32:34 2003 . There is nothing to worry about. The list of files is generated by a line ( nice -n 1 find $MNT $ -perm -30 -o -perm -3 $ -mount -type f | sort | xargs ls -cdl --full-time -- > "$SEC_DATA/write-bin.new" ) 2> /dev/null in /usr/lib/secchk/security-weekly.sh . Because xargs receives no input it generates an ls command with no arguments so it reports on the current directory. I guess the --no-run-if-empty switch would solve the problem but this is a pretty minor bug and I know the SuSE security people have much bigger fish to fry at the moment. Bob ============================================================== Bob Vickers R.Vickers(a)cs.rhul.ac.uk Dept of Computer Science, Royal Holloway, University of London WWW: http://www.cs.rhul.ac.uk/home/bobv Phone: +44 1784 443691

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AW: [suse-security] VPN von Linux zu Linux
by Junge, Stefan 24 Mar '03

24 Mar '03

Hi Mathias, First of all .... this is an englisch mailing list. :-) Possible solutions are e.g. cipe or freeswan with IPsec. Both products were shipped with your SuSE distribution. Docs should after installation be available under /usr/share/doc/packages. For a first try, choose cipe, it is simple to set up. Additional information is available here : http://sites.inka.de/sites/bigred/devel/cipe.html For freeswan http://www.freeswan.org Bye Stefan > -----Ursprüngliche Nachricht----- > Von: Mathias Homann [mailto:admin@eregion.de] > Gesendet: Montag, 24. März 2003 10:40 > An: suse-security(a)suse.com > Betreff: [suse-security] VPN von Linux zu Linux > > > Hi, > > > ich möchte ein VPN zwischen zwei SuSE aufspannen, die beide > per DSL am > Internet hängen (feste Hostnamen von ddts.net) und eine > SuSEFirewall2 laufen > haben. Das eine ist eine SuSE 8.0, das andere eine 7.3. Gibt > es da irgendwo > eine Art Bauanleitung dafür? > > bye, > [MH] > > -- > Die unaufgeforderte Zusendung einer Werbemail an Privatleute > verstößt gegen §1 > UWG und 823 I BGB (Beschluß des LG Berlin vom 2.8.1998 Az: 16 > O 201/98). Jede > kommerzielle Nutzung der übermittelten persönlichen Daten sowie deren > Weitergabe an Dritte ist ausdrücklich untersagt! > > gpg key fingerprint: 5F64 4C92 9B77 DE37 D184 C5F9 B013 44E7 > 27BD 763C > > > -- > Check the headers for your unsubscription address > For additional commands, e-mail: suse-security-help(a)suse.com > Security-related bug reports go to security(a)suse.de, not here >

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VPN von Linux zu Linux
by Mathias Homann 24 Mar '03

24 Mar '03

Hi, ich möchte ein VPN zwischen zwei SuSE aufspannen, die beide per DSL am Internet hängen (feste Hostnamen von ddts.net) und eine SuSEFirewall2 laufen haben. Das eine ist eine SuSE 8.0, das andere eine 7.3. Gibt es da irgendwo eine Art Bauanleitung dafür? bye, [MH] -- Die unaufgeforderte Zusendung einer Werbemail an Privatleute verstößt gegen §1 UWG und 823 I BGB (Beschluß des LG Berlin vom 2.8.1998 Az: 16 O 201/98). Jede kommerzielle Nutzung der übermittelten persönlichen Daten sowie deren Weitergabe an Dritte ist ausdrücklich untersagt! gpg key fingerprint: 5F64 4C92 9B77 DE37 D184 C5F9 B013 44E7 27BD 763C

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weekly seccheck problem again
by Mario Neubert 24 Mar '03

24 Mar '03

Hello List, here are my question again. Possible anyone can explain me this behavior of suse-seccheck. I have run chkrootkit und some other test and I don't believe that is a trojan or worm. A `find / -name "."` found nothing. Pherhaps someone have the same output??? Thank's Mario <snip> Weekly security check v2.0 by Marc Heuse <marc(a)suse.de> . . . Changes in your weekly security configuration of xxxxxx: The following files are suid/sgid: - drwxr-x--- 2 root root 4096 2003-03-11 19:55 . + drwx------ 17 root root 4096 2003-03-22 21:09 . The following program executables are group/world writeable: - drwxr-x--- 2 root root 4096 2003-03-11 19:55 . + drwx------ 17 root root 4096 2003-03-22 21:09 . The following devices were added: - drwxr-x--- root root 4096 Mar + drwx------ root root 4096 Mar <snap>

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SuSE Security Announcement: qpopper (SuSE-SA:2003:018)
by Thomas Biege 24 Mar '03

24 Mar '03

-----BEGIN PGP SIGNED MESSAGE----- ______________________________________________________________________________ SuSE Security Announcement Package: qpopper Announcement-ID: SuSE-SA:2003:018 Date: Friday, Mar 21th 2003 10:11 MET Affected products: 7.3, 8.0, 8.1 SuSE Linux Enterprise Server 8 Vulnerability Type: remote system compromise Severity (1-10): 3 SuSE default package: no Cross References: CAN-2003-0143 Content of this advisory: 1) security vulnerability resolved: buffer overflow problem description, discussion, solution and upgrade information 2) pending vulnerabilities, solutions, workarounds: - mutt - kernel - ethereal - apcupsd - vnc - openssl - mod_php4 - pgp4pine - nethack - netpbm - man 3) standard appendix (further information) ______________________________________________________________________________ 1) problem description, brief discussion, solution, upgrade information The Post-Office-Protocol- (POP-) Server qpopper (version 4) was vulnerable to a buffer overflow. The buffer overflow occurs after authentication has taken place. Therefore pop-users with a valid account can execute arbitrary code on the system running qpopper. Depending on the setup, the malicious code is run with higher privileges. There is no temporary fix known, please update your system. Please download the update package for your distribution and verify its integrity by the methods listed in section 3) of this announcement. Then, install the package using the command "rpm -Fhv file.rpm" to apply the update. Our maintenance customers are being notified individually. The packages are being offered to install from the maintenance web. Please note, missing packages will be published as soon as possible. Intel i386 Platform: SuSE-8.1: ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/qpopper-4.0.4-133.i586… 45017728d71adab5aa1b335878666369 patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/qpopper-4.0.4-133.i586… 06c56a877950b5285164b77e7818a3df source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/src/qpopper-4.0.4-133.src.r… c8e7be3433bddadc73aac4251faa9b27 SuSE-8.0: ftp://ftp.suse.com/pub/suse/i386/update/8.0/n4/qpopper-4.0.3-178.i386.rpm e62034de0ab73f1f563950a34047493f patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.0/n4/qpopper-4.0.3-178.i386.patch… 0f0b17a2efd99edb840b559095d5b8f0 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.0/zq1/qpopper-4.0.3-178.src.rpm 2e8023638bd7c5d71ac5fe55f9bd6036 ______________________________________________________________________________ 2) Pending vulnerabilities in SuSE Distributions and Workarounds: - mutt A buffer overflow in mutt's IMAP code may result in remote system compromise. New packages are currently being build and will be available soon. - kernel A bug in the Linux kernel was found that allows local users to become root. The bug can just be exploited if ptrace(2) is allowed, LKM and kmod support is enabled. We already build new kernels and are currently testing them. As a workaround kernel module loading can be disabled after every boot by executing the following action as root: # echo /just/a/temporary/workaround > /proc/sys/kernel/modprobe Please note, that this will disable some services. - ethereal A format string bug in ethereal's SOCKS handling code and a buffer overflow in the NTLMSSP was found in ethereal. Both bugs may lead to remote system compromise. New packages are currently being build and will be available soon. - apcupsd The control and management daemon for APC UPS systems is vulnerable to remote code execution due to buffer overflow and format string bugs. A dedicated advisory for this issue will be released as soon as all packages are being build. - vnc VNC (Virtual Network Computing) uses a weak cookie generation process which can be exploited by an attacker to bypass authentication. New packages are currently being tested and will be available on our FTP servers soon. - openssl A paper regarding remote timing attacks against OpenSSL has been published by researchers of the Stanford University. It is possible to extract the private RSA key used by services using OpenSSL by observing their timing behavior. Additionally czech researchers found another bug in OpenSSL which is an extension of the "Bleichenbacher Attack". Fixed packages will be available on our FTP servers soon. - mod_php4 4.3.0 A serious security vulnerability was found in mod_php 4.3.0 which allows a remote attacker to read files or even execute PHP-code. This was possible due to direct access to the CGI module. SuSE does not ship this vulnerable version. - pgp4pine A buffer overflow in pine's filter add-on pgp4pine can be abused to execute arbitrary commands remotely. The pgp4pine version SuSE ships is not vulnerable to this bug. - nethack A buffer overflow in nethack can be exploited local users to gain higher privileges if the nethack binary is installed setuid/setgid. This bug is fixed for upcoming SuSE Linux versions. As a temporary workaround you should disable all s-bits on the nethack binary (/etc/permissions.local). - netpbm The netpbm package contains various integer overflows which can lead to arbitrary code execution. New packages are published on our FTP servers. - man A vulnerability in man was published that allows local privilege escalation. SuSE Linux does not ship this vulnerable version of man. ______________________________________________________________________________ 3) standard appendix: authenticity verification, additional information - Package authenticity verification: SuSE update packages are available on many mirror ftp servers all over the world. While this service is being considered valuable and important to the free and open source software community, many users wish to be sure about the origin of the package and its content before installing the package. There are two verification methods that can be used independently from each other to prove the authenticity of a downloaded file or rpm package: 1) md5sums as provided in the (cryptographically signed) announcement. 2) using the internal gpg signatures of the rpm package. 1) execute the command md5sum <name-of-the-file.rpm> after you downloaded the file from a SuSE ftp server or its mirrors. Then, compare the resulting md5sum with the one that is listed in the announcement. Since the announcement containing the checksums is cryptographically signed (usually using the key security(a)suse.de), the checksums show proof of the authenticity of the package. We disrecommend to subscribe to security lists which cause the email message containing the announcement to be modified so that the signature does not match after transport through the mailing list software. Downsides: You must be able to verify the authenticity of the announcement in the first place. If RPM packages are being rebuilt and a new version of a package is published on the ftp server, all md5 sums for the files are useless. 2) rpm package signatures provide an easy way to verify the authenticity of an rpm package. Use the command rpm -v --checksig <file.rpm> to verify the signature of the package, where <file.rpm> is the filename of the rpm package that you have downloaded. Of course, package authenticity verification can only target an un-installed rpm package file. Prerequisites: a) gpg is installed b) The package is signed using a certain key. The public part of this key must be installed by the gpg program in the directory ~/.gnupg/ under the user's home directory who performs the signature verification (usually root). You can import the key that is used by SuSE in rpm packages for SuSE Linux by saving this announcement to a file ("announcement.txt") and running the command (do "su -" to be root): gpg --batch; gpg < announcement.txt | gpg --import SuSE Linux distributions version 7.1 and thereafter install the key "build(a)suse.de" upon installation or upgrade, provided that the package gpg is installed. The file containing the public key is placed at the top-level directory of the first CD (pubring.gpg) and at ftp://ftp.suse.com/pub/suse/pubring.gpg-build.suse.de . - SuSE runs two security mailing lists to which any interested party may subscribe: suse-security(a)suse.com - general/linux/SuSE security discussion. All SuSE security announcements are sent to this list. To subscribe, send an email to <suse-security-subscribe(a)suse.com>. suse-security-announce(a)suse.com - SuSE's announce-only mailing list. Only SuSE's security announcements are sent to this list. To subscribe, send an email to <suse-security-announce-subscribe(a)suse.com>. For general information or the frequently asked questions (faq) send mail to: <suse-security-info(a)suse.com> or <suse-security-faq(a)suse.com> respectively. ===================================================================== SuSE's security contact is <security(a)suse.com> or <security(a)suse.de>. The <security(a)suse.de> public key is listed below. ===================================================================== ______________________________________________________________________________ The information in this advisory may be distributed or reproduced, provided that the advisory is not modified in any way. In particular, it is desired that the clear-text signature shows proof of the authenticity of the text. SuSE Linux AG makes no warranties of any kind whatsoever with respect to the information contained in this security advisory. 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AW: [suse-security] VPN with IPsec (FreeSwan) and Windows 2000 Cl ient
by Junge, Stefan 24 Mar '03

24 Mar '03

Hi Radu, not at the moment. I have to many problems at the moment. Probably we will get a commercial product because of support. Know-how is available ... Documentation is there ... http://www.freeswan.ca/docs/WindowsInterop/FS-W2K%20Interop.pdf http://tirnanog.ls.fi.upm.es/CriptoLab/Biblioteca/InfTech/IPsec%20between%20 Win2000%20FreeSWAn%20and%20PGPnet.pdf http://www.freeswan.org/freeswan_trees/freeswan-1.99/doc/interop.html (Thanks to Andreas Baetz) Mit freundlichen Grüßen Stefan Junge > -----Ursprüngliche Nachricht----- > Von: Radu Voicu [mailto:suse@ploiesti.rdsnet.ro] > Gesendet: Freitag, 21. März 2003 16:07 > An: Junge, Stefan > Betreff: Re: [suse-security] VPN with IPsec (FreeSwan) and > Windows 2000 > Client > Wichtigkeit: Hoch > > > Did you solved it? Because I'll be interested to do the > same... do you have > any know-how and documentation to share? > > Thanks, > Radu > > > ----- Original Message ----- > From: "Junge, Stefan" <Stefan.Junge(a)ssi-schaefer.de> > To: <suse-security(a)suse.com> > Sent: Thursday, March 13, 2003 1:55 PM > Subject: [suse-security] VPN with IPsec (FreeSwan) and > Windows 2000 Client > > > Hi, > > I tried to setup a VPN tunnel. > My VPN Gateway is based on SuSE 8.0 and FreeSwan 1.98b > shipped with the > distribution. > > I followed my installation instruction found via google for > the gateway. > Authorisation should be realized with x509 certificates. > My VPN Gateway starts with rcipsec start and a rcipsec status > told me, that > ipsec is active. > > I´ve created a p12 certificate for my windows 2000 client and > installed the > additional software from Marcus Müller. > > Now, when I´m starting ipsec on my w2k client the following > message occurs : > > IPSec Version 2.1.4 .... > Getting running Config ... > Microsoft´s Windows 2000 identified > Host name is : P0741099 > No RAS connections found. > LAN IP address : 192.168.150.2 > Setting up IPsec ... > > Deactivatin old policy... > Removing old policy... > > Connection VPNTEST: > Could not identify my own Interface > > My ipsec.conf placed in C:\programme\ipsec contains > conn Roadwarrior > left=%any > right=192.168.150.1 > rightsubnet=192.168.150.1/255.255.255.0 > rightca="...." > network=both > auto=start > pfs=yes > > > A ipconfig shows my ip-address > > So, what´s wrong ? > > MfG > Stefan > > -- > Check the headers for your unsubscription address > For additional commands, e-mail: suse-security-help(a)suse.com > Security-related bug reports go to security(a)suse.de, not here > >

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PHP security Upgrade
by Fabrizio Di Meo 22 Mar '03

22 Mar '03

Hi, I'm using SuSE 7.3 and this keeps: - PHP 4.0.6 - Apache/1.3.20 My question is really simple: I've tried to install, for security reasons, the PHP package kept in 8.1 just performing a simple download of the rpm files. Well...also upgrading Apache, the libphp4.so module "refuses" to be loaded into apache config file. I played for hours trying to upgrade all the libs but in any case I've got: Cannot load /usr/lib/apache/libphp4.so into server: /usr/lib/apache/libphp4.so PQescapeBytea I've also installed the lasts Postgreesql packages, always from ftp.suse.com ... release 8.1 i586, but nothing ..... I gave up. But...is it possible to do the thing I did? I mean: is possible to download a package from Suse 8.1 and installing it into my 7.3 ? Otherwise how can I update my packeges without buying for the 3rd time the SuSE distribution? :) Thank you, Fabrizio --------------------------------- Yahoo! Cellulari: loghi, suonerie, picture message per il tuo telefonino

2 1

VPN with IPsec (FreeSwan) and Windows 2000/XP Client
by Radu Voicu 22 Mar '03

22 Mar '03

Hi! Is there anyone who did this and knows exactly how to do it? I have this task but not too much time to do it... Any help / documentation / know-how will be appreciated. Regards, Radu

2 1

SuSE Security Announcement: ethereal (SuSE-SA:2003:019)
by Thomas Biege 22 Mar '03

22 Mar '03

-----BEGIN PGP SIGNED MESSAGE----- ______________________________________________________________________________ SuSE Security Announcement Package: ethereal Announcement-ID: SuSE-SA:2003:019 Date: Friday, Mar 21th 2003 10:12 MET Affected products: 7.1, 7.2, 7.3, 8.0, 8.1 SuSE Linux Database Server, SuSE eMail Server III, 3.1 SuSE Linux Enterprise Server 7, SuSE Linux Firewall on CD/Admin host SuSE Linux Connectivity Server SuSE Linux Office Server Vulnerability Type: local privilege escalation Severity (1-10): 3 SuSE default package: yes Cross References: CAN-2003-0081 Content of this advisory: 1) security vulnerability resolved: - buffer overlfow - format string bug problem description, discussion, solution and upgrade information 2) pending vulnerabilities, solutions, workarounds: - mutt - kernel - apcupsd - vnc - openssl - mod_php4 - pgp4pine - nethack - netpbm - man 3) standard appendix (further information) ______________________________________________________________________________ 1) problem description, brief discussion, solution, upgrade information Ethereal is a GUI for analyzing and displaying network traffic. Ethereal is vulnerable to a format string bug in it's SOCKS code and to a heap buffer overflow in it's NTLMSSP code. These bugs can be abused to crash ethereal or maybe to execute arbitrary code on the machine running ethereal. There is no temporary workaround known. Please download the update package for your distribution and verify its integrity by the methods listed in section 3) of this announcement. Then, install the package using the command "rpm -Fhv file.rpm" to apply the update. Our maintenance customers are being notified individually. The packages are being offered to install from the maintenance web. Please note, missing packages will be published as soon as possible. Intel i386 Platform: SuSE-8.1: ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/ethereal-0.9.6-152.i58… 1ea03e4f888f30bc37669ea4dd0cfe30 patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/ethereal-0.9.6-152.i58… 317046452887bdb6d9bc3882909540f1 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/src/ethereal-0.9.6-152.src.… 831fd8c3f888a7bf832422aa58a5ea35 SuSE-8.0: ftp://ftp.suse.com/pub/suse/i386/update/8.0/n2/ethereal-0.9.6-153.i386.rpm 3e4762aa5dabfce6dc8bce77ff623d7f patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.0/n2/ethereal-0.9.6-153.i386.patc… 9404cb917fb1ab56a59746d1c12a9c81 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.0/zq1/ethereal-0.9.6-153.src.rpm 1846c9dfe0ba59e99966a63d3ba0e645 SuSE-7.3: ftp://ftp.suse.com/pub/suse/i386/update/7.3/n2/ethereal-0.9.6-154.i386.rpm e9f55cdf8d89f0dee322f5829908d3d9 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/7.3/zq1/ethereal-0.9.6-154.src.rpm 57f1589a18d614afa17a0f779625adff SuSE-7.2: ftp://ftp.suse.com/pub/suse/i386/update/7.2/n2/ethereal-0.9.6-155.i386.rpm c7362031d0082b097d50bed249e170bf source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/7.2/zq1/ethereal-0.9.6-155.src.rpm 39b2f8a42575f42c9f68d7d8b8b41cd7 SuSE-7.1: ftp://ftp.suse.com/pub/suse/i386/update/7.1/n2/ethereal-0.9.6-156.i386.rpm b6a7c65cc20e0bb901bf1599ff107e6a source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/7.1/zq1/ethereal-0.9.6-156.src.rpm b650101ce46e7f8050c674cfb275cfe6 Sparc Platform: SuSE-7.3: ftp://ftp.suse.com/pub/suse/sparc/update/7.3/n2/ethereal-0.9.6-57.sparc.rpm e979f24ce5292a2a698f752d67bfa916 source rpm(s): ftp://ftp.suse.com/pub/suse/sparc/update/7.3/zq1/ethereal-0.9.6-57.src.rpm 32504bc48c8e6771ff6285c59668d282 AXP Alpha Platform: SuSE-7.1: ftp://ftp.suse.com/pub/suse/axp/update/7.1/n2/ethereal-0.9.6-80.alpha.rpm 111e039aafef5669863b6d502392d115 source rpm(s): ftp://ftp.suse.com/pub/suse/axp/update/7.1/zq1/ethereal-0.9.6-80.src.rpm 2373bb476bb8bea7667e9621411fbc0f PPC Power PC Platform: SuSE-7.3: ftp://ftp.suse.com/pub/suse/ppc/update/7.3/n2/ethereal-0.9.6-90.ppc.rpm ab58afaae72d603941de12ad97baba39 source rpm(s): ftp://ftp.suse.com/pub/suse/ppc/update/7.3/zq1/ethereal-0.9.6-90.src.rpm ba0fbd761194112f0a09c8422f54a25b SuSE-7.1: ftp://ftp.suse.com/pub/suse/ppc/update/7.1/n2/ethereal-0.9.6-92.ppc.rpm dbad6f03abc69882ce47a78360cde7fa source rpm(s): ftp://ftp.suse.com/pub/suse/ppc/update/7.1/zq1/ethereal-0.9.6-92.src.rpm 05517631f384f6244d26a5dc3bb4a3c7 ______________________________________________________________________________ 2) Pending vulnerabilities in SuSE Distributions and Workarounds: - mutt A buffer overflow in mutt's IMAP code may result in remote system compromise. New packages are currently being build and will be available soon. - kernel A bug in the Linux kernel was found that allows local users to become root. The bug can just be exploited if ptrace(2) is allowed, LKM and kmod support is enabled. We already build new kernels and are currently testing them. As a workaround kernel module loading can be disabled after every boot by executing the following action as root: # echo /just/a/temporary/workaround > /proc/sys/kernel/modprobe Please note, that this will disable some services. - apcupsd The control and management daemon for APC UPS systems is vulnerable to remote code execution due to buffer overflow and format string bugs. A dedicated advisory for this issue will be released as soon as all packages are being build. - vnc VNC (Virtual Network Computing) uses a weak cookie generation process which can be exploited by an attacker to bypass authentication. New packages are currently being tested and will be available on our FTP servers soon. - openssl A paper regarding remote timing attacks against OpenSSL has been published by researchers of the Stanford University. It is possible to extract the private RSA key used by services using OpenSSL by observing their timing behavior. Additionally czech researchers found another bug in OpenSSL which is an extension of the "Bleichenbacher Attack". Fixed packages will be available on our FTP servers soon. - mod_php4 4.3.0 A serious security vulnerability was found in mod_php 4.3.0 which allows a remote attacker to read files or even execute PHP-code. This was possible due to direct access to the CGI module. SuSE does not ship this vulnerable version. - pgp4pine A buffer overflow in pine's filter add-on pgp4pine can be abused to execute arbitrary commands remotely. The pgp4pine version SuSE ships is not vulnerable to this bug. - nethack A buffer overflow in nethack can be exploited local users to gain higher privileges if the nethack binary is installed setuid/setgid. This bug is fixed for upcoming SuSE Linux versions. As a temporary workaround you should disable all s-bits on the nethack binary (/etc/permissions.local). - netpbm The netpbm package contains various integer overflows which can lead to arbitrary code execution. New packages are published on our FTP servers. - man A vulnerability in man was published that allows local privilege escalation. SuSE Linux does not ship this vulnerable version of man. ______________________________________________________________________________ 3) standard appendix: authenticity verification, additional information - Package authenticity verification: SuSE update packages are available on many mirror ftp servers all over the world. While this service is being considered valuable and important to the free and open source software community, many users wish to be sure about the origin of the package and its content before installing the package. There are two verification methods that can be used independently from each other to prove the authenticity of a downloaded file or rpm package: 1) md5sums as provided in the (cryptographically signed) announcement. 2) using the internal gpg signatures of the rpm package. 1) execute the command md5sum <name-of-the-file.rpm> after you downloaded the file from a SuSE ftp server or its mirrors. Then, compare the resulting md5sum with the one that is listed in the announcement. Since the announcement containing the checksums is cryptographically signed (usually using the key security(a)suse.de), the checksums show proof of the authenticity of the package. We disrecommend to subscribe to security lists which cause the email message containing the announcement to be modified so that the signature does not match after transport through the mailing list software. Downsides: You must be able to verify the authenticity of the announcement in the first place. If RPM packages are being rebuilt and a new version of a package is published on the ftp server, all md5 sums for the files are useless. 2) rpm package signatures provide an easy way to verify the authenticity of an rpm package. Use the command rpm -v --checksig <file.rpm> to verify the signature of the package, where <file.rpm> is the filename of the rpm package that you have downloaded. Of course, package authenticity verification can only target an un-installed rpm package file. Prerequisites: a) gpg is installed b) The package is signed using a certain key. The public part of this key must be installed by the gpg program in the directory ~/.gnupg/ under the user's home directory who performs the signature verification (usually root). You can import the key that is used by SuSE in rpm packages for SuSE Linux by saving this announcement to a file ("announcement.txt") and running the command (do "su -" to be root): gpg --batch; gpg < announcement.txt | gpg --import SuSE Linux distributions version 7.1 and thereafter install the key "build(a)suse.de" upon installation or upgrade, provided that the package gpg is installed. The file containing the public key is placed at the top-level directory of the first CD (pubring.gpg) and at ftp://ftp.suse.com/pub/suse/pubring.gpg-build.suse.de . - SuSE runs two security mailing lists to which any interested party may subscribe: suse-security(a)suse.com - general/linux/SuSE security discussion. All SuSE security announcements are sent to this list. To subscribe, send an email to <suse-security-subscribe(a)suse.com>. suse-security-announce(a)suse.com - SuSE's announce-only mailing list. Only SuSE's security announcements are sent to this list. To subscribe, send an email to <suse-security-announce-subscribe(a)suse.com>. For general information or the frequently asked questions (faq) send mail to: <suse-security-info(a)suse.com> or <suse-security-faq(a)suse.com> respectively. ===================================================================== SuSE's security contact is <security(a)suse.com> or <security(a)suse.de>. The <security(a)suse.de> public key is listed below. ===================================================================== ______________________________________________________________________________ The information in this advisory may be distributed or reproduced, provided that the advisory is not modified in any way. In particular, it is desired that the clear-text signature shows proof of the authenticity of the text. SuSE Linux AG makes no warranties of any kind whatsoever with respect to the information contained in this security advisory. Type Bits/KeyID Date User ID pub 2048R/3D25D3D9 1999-03-06 SuSE Security Team <security(a)suse.de> pub 1024D/9C800ACA 2000-10-19 SuSE Package Signing Key <build(a)suse.de> - -----BEGIN PGP PUBLIC KEY BLOCK----- Version: GnuPG v1.0.6 (GNU/Linux) Comment: For info see http://www.gnupg.org mQGiBDnu9IERBACT8Y35+2vv4MGVKiLEMOl9GdST6MCkYS3yEKeueNWc+z/0Kvff 4JctBsgs47tjmiI9sl0eHjm3gTR8rItXMN6sJEUHWzDP+Y0PFPboMvKx0FXl/A0d M+HFrruCgBlWt6FA+okRySQiliuI5phwqkXefl9AhkwR8xocQSVCFxcwvwCglVcO QliHu8jwRQHxlRE0tkwQQI0D+wfQwKdvhDplxHJ5nf7U8c/yE/vdvpN6lF0tmFrK XBUX+K7u4ifrZlQvj/81M4INjtXreqDiJtr99Rs6xa0ScZqITuZC4CWxJa9GynBE D3+D2t1V/f8l0smsuYoFOF7Ib49IkTdbtwAThlZp8bEhELBeGaPdNCcmfZ66rKUd G5sRA/9ovnc1krSQF2+sqB9/o7w5/q2qiyzwOSTnkjtBUVKn4zLUOf6aeBAoV6NM CC3Kj9aZHfA+ND0ehPaVGJgjaVNFhPi4x0e7BULdvgOoAqajLfvkURHAeSsxXIoE myW/xC1sBbDkDUIBSx5oej73XCZgnj/inphRqGpsb+1nKFvF+rQoU3VTRSBQYWNr YWdlIFNpZ25pbmcgS2V5IDxidWlsZEBzdXNlLmRlPohcBBMRAgAcBQI57vSBBQkD wmcABAsKAwQDFQMCAxYCAQIXgAAKCRCoTtronIAKyl8sAJ98BgD40zw0GHJHIf6d NfnwI2PAsgCgjH1+PnYEl7TFjtZsqhezX7vZvYCIRgQQEQIABgUCOnBeUgAKCRCe QOMQAAqrpNzOAKCL512FZvv4VZx94TpbA9lxyoAejACeOO1HIbActAevk5MUBhNe LZa/qM2JARUDBRA6cGBvd7LmAD0l09kBATWnB/9An5vfiUUE1VQnt+T/EYklES3t XXaJJp9pHMa4fzFa8jPVtv5UBHGee3XoUNDVwM2OgSEISZxbzdXGnqIlcT08TzBU D9i579uifklLsnr35SJDZ6ram51/CWOnnaVhUzneOA9gTPSr+/fT3WeVnwJiQCQ3 0kNLWVXWATMnsnT486eAOlT6UNBPYQLpUprF5Yryk23pQUPAgJENDEqeU6iIO9Ot 1ZPtB0lniw+/xCi13D360o1tZDYOp0hHHJN3D3EN8C1yPqZd5CvvznYvB6bWBIpW cRgdn2DUVMmpU661jwqGlRz1F84JG/xe4jGuzgpJt9IXSzyohEJB6XG5+D0BiF0E ExECAB0FAjxqqTQFCQoAgrMFCwcKAwQDFQMCAxYCAQIXgAAKCRCoTtronIAKyp1f AJ9dR7saz2KPNwD3U+fy/0BDKXrYGACfbJ8fQcJqCBQxeHvt9yMPDVq0B0W5Ag0E Oe70khAIAISR0E3ozF/la+oNaRwxHLrCet30NgnxRROYhPaJB/Tu1FQokn2/Qld/ HZnh3TwhBIw1FqrhWBJ7491iAjLR9uPbdWJrn+A7t8kSkPaF3Z/6kyc5a8fas44h t5h+6HMBzoFCMAq2aBHQRFRNp9Mz1ZvoXXcI1lk1l8OqcUM/ovXbDfPcXsUVeTPT tGzcAi2jVl9hl3iwJKkyv/RLmcusdsi8YunbvWGFAF5GaagYQo7YlF6UaBQnYJTM 523AMgpPQtsKm9o/w9WdgXkgWhgkhZEeqUS3m5xNey1nLu9iMvq9M/iXnGz4sg6Q 2Y+GqZ+yAvNWjRRou3zSE7Bzg28MI4sAAwYH/2D71Xc5HPDgu87WnBFgmp8MpSr8 QnSs0wwPg3xEullGEocolSb2c0ctuSyeVnCttJMzkukL9TqyF4s/6XRstWirSWaw JxRLKH6Zjo/FaKsshYKf8gBkAaddvpl3pO0gmUYbqmpQ3xDEYlhCeieXS5MkockQ 1sj2xYdB1xO0ExzfiCiscUKjUFy+mdzUsUutafuZ+gbHog1CN/ccZCkxcBa5IFCH ORrNjq9pYWlrxsEn6ApsG7JJbM2besW1PkdEoxak74z1senh36m5jQvVjA3U4xq1 wwylxadmmJaJHzeiLfb7G1ZRjZTsB7fyYxqDzMVul6o9BSwO/1XsIAnV1uuITAQY EQIADAUCOe70kgUJA8JnAAAKCRCoTtronIAKyksiAJsFB3/77SkH3JlYOGrEe1Ol 0JdGwACeKTttgeVPFB+iGJdiwQlxasOfuXyITAQYEQIADAUCPGqpWQUJCgCCxwAK CRCoTtronIAKyofBAKCSZM2UFyta/fe9WgITK9I5hbxxtQCfX+0ar2CZmSknn3co SPihn1+OBNyZAQ0DNuEtBAAAAQgAoCRcd7SVZEFcumffyEwfLTcXQjhKzOahzxpo omuF+HIyU4AGq+SU8sTZ/1SsjhdzzrSAfv1lETACA+3SmLr5KV40Us1w0UC64cwt A46xowVq1vMlH2Lib+V/qr3b1hE67nMHjysECVx9Ob4gFuKNoR2eqnAaJvjnAT8J /LoUC20EdCHUqn6v+M9t/WZgC+WNR8cq69uDy3YQhDP/nIan6fm2uf2kSV9A7ZxE GrwsWl/WX5Q/sQqMWaU6r4az98X3z90/cN+eJJ3vwtA+rm+nxEvyev+jaLuOQBDf ebh/XA4FZ35xmi+spdiVeJH4F/ubaGlmj7+wDOF3suYAPSXT2QAFEbQlU3VTRSBT ZWN1cml0eSBUZWFtIDxzZWN1cml0eUBzdXNlLmRlPokBFQMFEDbhLUfkWLKHsco8 RQEBVw4H/1vIdiOLX/7hdzYaG9crQVIk3QwaB5eBbjvLEMvuCZHiY2COUg5QdmPQ 8SlWNZ6k4nu1BLcv2g/pymPUWP9fG4tuSnlUJDrWGm3nhyhAC9iudP2u1YQY37Gb B6NPVaZiYMnEb4QYFcqv5c/r2ghSXUTYk7etd6SW6WCOpEqizhx1cqDKNZnsI/1X 11pFcO2N7rc6byDBJ1T+cK+F1Ehan9XBt/shryJmv04nli5CXQMEbiqYYMOu8iaA 8AWRgXPCWqhyGhcVD3LRhUJXjUOdH4ZiHCXaoF3zVPxpeGKEQY8iBrDeDyB3wHmj qY9WCX6cmogGQRgYG6yJqDalLqrDOdmJARUDBRA24S0Ed7LmAD0l09kBAW04B/4p WH3f1vQn3i6/+SmDjGzUu2GWGq6Fsdwo2hVM2ym6CILeow/K9JfhdwGvY8LRxWRL hn09j2IJ9P7H1Yz3qDf10AX6V7YILHtchKT1dcngCkTLmDgC4rs1iAAl3f089sRG BafGPGKv2DQjHfR1LfRtbf0P7c09Tkej1MP8HtQMW9hPkBYeXcwbCjdrVGFOzqx+ AvvJDdT6a+oyRMTFlvmZ83UV5pgoyimgjhWnM1V4bFBYjPrtWMkdXJSUXbR6Q7Pi RZWCzGRzwbaxqpl3rK/YTCphOLwEMB27B4/fcqtBzgoMOiaZA0M5fFoo54KgRIh0 zinsSx2OrWgvSiLEXXYKiEYEEBECAAYFAjseYcMACgkQnkDjEAAKq6ROVACgjhDM /3KM+iFjs5QXsnd4oFPOnbkAnjYGa1J3em+bmV2aiCdYXdOuGn4ZiQCVAwUQN7c7 whaQN/7O/JIVAQEB+QP/cYblSAmPXxSFiaHWB+MiUNw8B6ozBLK0QcMQ2YcL6+Vl D+nSZP20+Ja2nfiKjnibCv5ss83yXoHkYk2Rsa8foz6Y7tHwuPiccvqnIC/c9Cvz dbIsdxpfsi0qWPfvX/jLMpXqqnPjdIZErgxpwujas1n9016PuXA8K3MJwVjCqSKI RgQQEQIABgUCOhpCpAAKCRDHUqoysN/3gCt7AJ9adNQMbmA1iSYcbhtgvx9ByLPI DgCfZ5Wj+f7cnYpFZI6GkAyyczG09sE= =LRKC - -----END PGP PUBLIC KEY BLOCK----- -----BEGIN PGP SIGNATURE----- Version: 2.6.3i Charset: noconv iQEVAwUBPnsGpHey5gA9JdPZAQGUBgf/crCDXc5kLVtXYYrsOjvgLIFe1IT8faKz 3FpinpIrXhaLjOyNn5sRTsvPScbVhKFpEPqyNaZb1NkyUB/6o6XXRHfAy/ALvAyl wzf9YygJiuei0yFZ2omy9lXrZOyIkPygs4CCxtSdYpQjOJ28m7T594qbE4ILssgv IRwPGA37OP/hVNDEx5DLUo660DPwnJq8D3Dq2+Nv7BRXggc3wMCwqLBpXMkDmg1G g4/c8tp23M0f372d5/IX95XYD33vqOiMJhl0tyLd9zDt4tmlx2kvxxTNMqL6hpB1 honV/T1pogkrVq6wv3mMtGH1GFXJCXiyY3hZu/VGRcqWuLsDVvdONg== =npqt -----END PGP SIGNATURE----- Bye, Thomas -- Thomas Biege <thomas(a)suse.de> SuSE Linux AG,Deutschherrnstr. 15-19,90429 Nuernberg Function: Security Support & Auditing "lynx -source http://www.suse.de/~thomas/contact/thomas.asc | gpg --import" Key fingerprint = 7254 B15D B3C4 943F 485E 0BBD 8ECC D7CB C200 A213

2 1

Support for SUSE-Linux 7.2
by Robert Rottscholl 21 Mar '03

21 Mar '03

Dear list, I think this a question which only Roman can answer. How long will the Package Update Support for SUSE-Linux 7.2 last? Greets, Robert

3 2

SuSE Security Announcement: file (SuSE-SA:2003:017)
by Thomas Biege 21 Mar '03

21 Mar '03

-----BEGIN PGP SIGNED MESSAGE----- ______________________________________________________________________________ SuSE Security Announcement Package: file Announcement-ID: SuSE-SA:2003:017 Date: Friday, Mar 21th 2003 10:10 MET Affected products: 7.1, 7.2, 7.3, 8.0, 8.1 SuSE Linux Database Server SuSE eMail Server 3.1, III SuSE Firewall Adminhost VPN SuSE Linux Admin-CD for Firewall SuSE Firewall on CD 2 - VPN SuSE Firewall on CD 2 SuSE Linux Live-CD for Firewall SuSE Linux Connectivity Server SuSE Linux Enterprise Server 7 SuSE Linux Enterprise Server 8 SuSE Linux Office Server Vulnerability Type: remote system compromise Severity (1-10): 2 SuSE default package: yes Cross References: CAN-2003-0102 Content of this advisory: 1) security vulnerability resolved: buffer overflow problem description, discussion, solution and upgrade information 2) pending vulnerabilities, solutions, workarounds: - mutt - kernel - ethereal - qpopper - apcupsd - vnc - openssl - mod_php4 - pgp4pine - nethack - netpbm - man 3) standard appendix (further information) ______________________________________________________________________________ 1) problem description, brief discussion, solution, upgrade information The file command can be used to determine the type of files. iDEFENSE published a security report about a buffer overflow in the handling-routines for the ELF file-format. In conjunction with other mechanisms like print-filters, cron-jobs, eMail-scanners (like AMaViS) and alike this vulnerability can be used to gain higher privileges or to compromise the system remotely. There is no temporary fix known other then updating the system. Please download the update package for your distribution and verify its integrity by the methods listed in section 3) of this announcement. Then, install the package using the command "rpm -Fhv file.rpm" to apply the update. Our maintenance customers are being notified individually. The packages are being offered to install from the maintenance web. Please note, missing packages will be published as soon as possible. Intel i386 Platform: SuSE-8.1: ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/file-3.37-206.i586.rpm 06e1fa8c7e00fd848b9ccff104a096f0 patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/file-3.37-206.i586.pat… bcb67c0daac5b2542c1126aed315d37c source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/src/file-3.37-206.src.rpm d10341b38f3e73253ce4c45c06c04ff0 SuSE-8.0: ftp://ftp.suse.com/pub/suse/i386/update/8.0/a1/file-3.37-206.i386.rpm 622ee2ad1552679bc35254888d2d5373 patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.0/a1/file-3.37-206.i386.patch.rpm eea3818ae69727885e490fc8034e6585 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.0/zq1/file-3.37-206.src.rpm 9357e8c51f48feffb5bbff72752ac013 SuSE-7.3: ftp://ftp.suse.com/pub/suse/i386/update/7.3/a1/file-3.33-85.i386.rpm f93db1b0c3d3adfe893b0b0fd12f41d8 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/7.3/zq1/file-3.33-85.src.rpm 8206b3d2802237406e2edeb9ade377f1 SuSE-7.1: ftp://ftp.suse.com/pub/suse/i386/update/7.1/a1/file-3.32-118.i386.rpm 3ac53edd9ee3995e8b5c05d3e94b5fd5 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/7.1/zq1/file-3.32-118.src.rpm 19b16688d3d2867f51554bd3cf4341ab Sparc Platform: SuSE-7.3: ftp://ftp.suse.com/pub/suse/sparc/update/7.3/a1/file-3.33-39.sparc.rpm 8a8e966fc47b701669f0fb8d5064436a source rpm(s): ftp://ftp.suse.com/pub/suse/sparc/update/7.3/zq1/file-3.33-39.src.rpm 2411dd12c8bec3784ba7dff72764b766 AXP Alpha Platform: SuSE-7.1: ftp://ftp.suse.com/pub/suse/axp/update/7.1/a1/file-3.32-69.alpha.rpm 4afbdc453be439848e719a3cd1617c49 source rpm(s): ftp://ftp.suse.com/pub/suse/axp/update/7.1/zq1/file-3.32-69.src.rpm ca965a4049a126492262281c7f9b7f4f PPC Power PC Platform: SuSE-7.3: ftp://ftp.suse.com/pub/suse/ppc/update/7.3/a1/file-3.33-69.ppc.rpm 34fa8b1d8318fd887b840d5715894c97 source rpm(s): ftp://ftp.suse.com/pub/suse/ppc/update/7.3/zq1/file-3.33-69.src.rpm 87eb4efad58d1c375a98e1c9990d7e35 SuSE-7.1: ftp://ftp.suse.com/pub/suse/ppc/update/7.1/a1/file-3.32-36.ppc.rpm 82b761b13f32f0bcfe3df906284bf0d9 source rpm(s): ftp://ftp.suse.com/pub/suse/ppc/update/7.1/zq1/file-3.32-36.src.rpm c7c729f7e8c93dd15ad6af5bfb65e826 ______________________________________________________________________________ 2) Pending vulnerabilities in SuSE Distributions and Workarounds: - mutt A buffer overflow in mutt's IMAP code may result in remote system compromise. New packages are currently being build and will be available soon. - kernel A bug in the Linux kernel was found that allows local users to become root. The bug can just be exploited if ptrace(2) is allowed, LKM and kmod support is enabled. We already build new kernels and are currently testing them. As a workaround kernel module loading can be disabled after every boot by executing the following action as root: # echo /just/a/temporary/workaround > /proc/sys/kernel/modprobe Please note, that this will disable some services. - ethereal A format string bug in ethereal's SOCKS handling code and a buffer overflow in the NTLMSSP was found in ethereal. Both bugs may lead to remote system compromise. New packages are currently being build and will be available soon. - qpopper In version 4.0.x of qpopper a buffer overflow *after* user authen- tication can be exploited to gain a shell on a POP-server machine. New packages are currently being build and will be available soon. - apcupsd The control and management daemon for APC UPS systems is vulnerable to remote code execution due to buffer overflow and format string bugs. A dedicated advisory for this issue will be released as soon as all packages are being build. - vnc VNC (Virtual Network Computing) uses a weak cookie generation process which can be exploited by an attacker to bypass authentication. New packages are currently being tested and will be available on our FTP servers soon. - openssl A paper regarding remote timing attacks against OpenSSL has been published by researchers of the Stanford University. It is possible to extract the private RSA key used by services using OpenSSL by observing their timing behavior. Additionally czech researchers found another bug in OpenSSL which is an extension of the "Bleichenbacher Attack". Fixed packages will be available on our FTP servers soon. - mod_php4 4.3.0 A serious security vulnerability was found in mod_php 4.3.0 which allows a remote attacker to read files or even execute PHP-code. This was possible due to direct access to the CGI module. SuSE does not ship this vulnerable version. - pgp4pine A buffer overflow in pine's filter add-on pgp4pine can be abused to execute arbitrary commands remotely. The pgp4pine version SuSE ships is not vulnerable to this bug. - nethack A buffer overflow in nethack can be exploited local users to gain higher privileges if the nethack binary is installed setuid/setgid. This bug is fixed for upcoming SuSE Linux versions. As a temporary workaround you should disable all s-bits on the nethack binary (/etc/permissions.local). - netpbm The netpbm package contains various integer overflows which can lead to arbitrary code execution. New packages are published on our FTP servers. - man A vulnerability in man was published that allows local privilege escalation. SuSE Linux does not ship this vulnerable version of man. ______________________________________________________________________________ 3) standard appendix: authenticity verification, additional information - Package authenticity verification: SuSE update packages are available on many mirror ftp servers all over the world. While this service is being considered valuable and important to the free and open source software community, many users wish to be sure about the origin of the package and its content before installing the package. There are two verification methods that can be used independently from each other to prove the authenticity of a downloaded file or rpm package: 1) md5sums as provided in the (cryptographically signed) announcement. 2) using the internal gpg signatures of the rpm package. 1) execute the command md5sum <name-of-the-file.rpm> after you downloaded the file from a SuSE ftp server or its mirrors. Then, compare the resulting md5sum with the one that is listed in the announcement. Since the announcement containing the checksums is cryptographically signed (usually using the key security(a)suse.de), the checksums show proof of the authenticity of the package. We disrecommend to subscribe to security lists which cause the email message containing the announcement to be modified so that the signature does not match after transport through the mailing list software. Downsides: You must be able to verify the authenticity of the announcement in the first place. If RPM packages are being rebuilt and a new version of a package is published on the ftp server, all md5 sums for the files are useless. 2) rpm package signatures provide an easy way to verify the authenticity of an rpm package. Use the command rpm -v --checksig <file.rpm> to verify the signature of the package, where <file.rpm> is the filename of the rpm package that you have downloaded. Of course, package authenticity verification can only target an un-installed rpm package file. Prerequisites: a) gpg is installed b) The package is signed using a certain key. The public part of this key must be installed by the gpg program in the directory ~/.gnupg/ under the user's home directory who performs the signature verification (usually root). You can import the key that is used by SuSE in rpm packages for SuSE Linux by saving this announcement to a file ("announcement.txt") and running the command (do "su -" to be root): gpg --batch; gpg < announcement.txt | gpg --import SuSE Linux distributions version 7.1 and thereafter install the key "build(a)suse.de" upon installation or upgrade, provided that the package gpg is installed. The file containing the public key is placed at the top-level directory of the first CD (pubring.gpg) and at ftp://ftp.suse.com/pub/suse/pubring.gpg-build.suse.de . - SuSE runs two security mailing lists to which any interested party may subscribe: suse-security(a)suse.com - general/linux/SuSE security discussion. All SuSE security announcements are sent to this list. To subscribe, send an email to <suse-security-subscribe(a)suse.com>. suse-security-announce(a)suse.com - SuSE's announce-only mailing list. Only SuSE's security announcements are sent to this list. To subscribe, send an email to <suse-security-announce-subscribe(a)suse.com>. For general information or the frequently asked questions (faq) send mail to: <suse-security-info(a)suse.com> or <suse-security-faq(a)suse.com> respectively. ===================================================================== SuSE's security contact is <security(a)suse.com> or <security(a)suse.de>. The <security(a)suse.de> public key is listed below. ===================================================================== ______________________________________________________________________________ The information in this advisory may be distributed or reproduced, provided that the advisory is not modified in any way. In particular, it is desired that the clear-text signature shows proof of the authenticity of the text. SuSE Linux AG makes no warranties of any kind whatsoever with respect to the information contained in this security advisory. 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1 0

kernel security hole?
by Mathias Homann 20 Mar '03

20 Mar '03

See http://www.heise.de/newsticker/data/ju-20.03.03-000/ or http://www.securityfocus.com/archive/1/315635 Has this been discussed here already? bye, [MH] -- Die unaufgeforderte Zusendung einer Werbemail an Privatleute verstößt gegen §1 UWG und §823 I BGB (Beschluß des LG Berlin vom 2.8.1998 Az: 16 O 201/98). Jede kommerzielle Nutzung der übermittelten persönlichen Daten sowie deren Weitergabe an Dritte ist ausdrücklich untersagt! gpg key fingerprint: 5F64 4C92 9B77 DE37 D184 C5F9 B013 44E7 27BD 763C

5 5

reasonably secure Wiki implementation
by Dirk Mueller 20 Mar '03

20 Mar '03

Hi, does anybody have any recommendations for a reasonably secure Wiki implementation? I do understand that wiki by design allows editing and therefore destroying or manipulation of any page contents, I was more looking for a "secure" implementation that makes server compromise rather unlikely, and also allows tracking of changes by providing a version history and mailing of changes to the administrator for review. There are many dozen implementations out there.. could anyone who has spent some time with looking through them share his experience and recommendations with me? Thanks in advance, -- Dirk

3 2

AW: AW: AW: [suse-security] VPN with IPsec (FreeSwan) and Windows 2000 Client
by Junge, Stefan 20 Mar '03

20 Mar '03

Hi, I tried to set up ipsec with instructions found via google. I have still problems ... Is there any possebility to check wheter the gateway or the client is correct installed ? So, what is the best way to install ipsec on SuSE 8.0 ? Should I install the rpm packages shipped with SuSE 8.0 or the sources from freeswan ? Is there any special installation instruction for SuSE availabe ? With best regards Stefan > -----Ursprüngliche Nachricht----- > Von: Andreas Baetz [mailto:lac01@web.de] > Gesendet: Donnerstag, 13. März 2003 16:02 > An: suse-security(a)suse.com > Betreff: Re: AW: AW: [suse-security] VPN with IPsec (FreeSwan) and > Windows 200 0 Cl ient > > > On Thursday 13 March 2003 15:07, Junge, Stefan wrote: > > Hi, > > > > thank you for your advice Andreas. > > Ok, with these I can see, that there is no tunnel. > > > > What is a simple example for a tunnel without x509 certificate ? > > Is a connection between w2k an linux possible with > public/private keys ? > > I have done it only with certificates and it works. I use > freeswan 1.99, though, > with X.509 and delete_SA patches applied. There is some > advice on the net > how to do the connection with certificates. Sorry, I'm not > able to answer further > questions till tuesday (not in the office). If you don't get > it to work till then, feel > free to ask. > > Andreas Baetz > > > > > -- > Check the headers for your unsubscription address > For additional commands, e-mail: suse-security-help(a)suse.com > Security-related bug reports go to security(a)suse.de, not here >

2 1

AW: [suse-security] rsh with different local and remote user
by Wagner, Uwe 20 Mar '03

20 Mar '03

-----Ursprüngliche Nachricht----- Von: David M. Fetter [mailto:david.fetter@fetterconsulting.com] Gesendet: Mittwoch, 19. März 2003 14:20 An: Wagner, Uwe Cc: [SuSE Security List] Betreff: Re: [suse-security] rsh with different local and remote user Wagner, Uwe wrote: > Hi, > > is there another solution than creating for every user a .rhosts file ? > > I want to use : > > rsh -l <remoteuser> <remotehost> date > > remoteuser and localuser are different. > I've experimented with entries in /etc/netgroup and /etc/hosts.equiv, but > this works only, if > remoteuser and localuser are the same. > > Any idea ? You should replace rsh (an insecure protocol transmitting data in plain text) with ssh (a secure protocol trasmitting data with encryption). Then instead of .rhosts (or in the case of ssh, .shosts) you should use public key authentication. The public key for the "localuser" can be placed in the "remoteuser's" ~/.ssh/authorized_keys file and then you simply connect with 'ssh remoteuser@host'. I think using rsh in our intranet isn't a security problem. rsh is used by the cvs command. I don't want creating every user his own .rhosts file. uwe -- David M. Fetter - http://www.fetterconsulting.com/ "The world is full of power and energy and a person can go far by just skimming off a tiny bit of it." Neal Stephenson - Snow Crash

2 1

Samba - announcement & version
by Andreas Scholz 20 Mar '03

20 Mar '03

Hello, please allow one silly question: my samba version is "samba-2.2.7a-0" on a Suse 7.3 is this version affected too? I.E. do i have to install samba-2.2.1a-213.i386.rpm as it is said in the Suse Annoucement ? Thank you, Andreas (how is a bit confused by the Version numbers)

3 2

Ptrace hole in linux kernels
by Hubertus A. Haniel 19 Mar '03

19 Mar '03

Are the SuSE distributions also affected by this? -----Forwarded Message----- From: Immo 'FaUl' Wehrenberg <immo.usenet-expires-170303(a)faul.dyndns.org> To: vulnwatch(a)vulnwatch.org Subject: [VulnWatch] Fwd: Ptrace hole / Linux 2.2.25 Date: 17 Mar 2003 17:30:40 +0100 From: Alan Cox <alan(a)redhat.com> Subject: Ptrace hole / Linux 2.2.25 To: linux-kernel(a)vger.kernel.org X-Mailer: ELM [version 2.5 PL6] Newsgroups: linux-kernel Vulnerability: CAN-2003-0127 The Linux 2.2 and Linux 2.4 kernels have a flaw in ptrace. This hole allows local users to obtain full privileges. Remote exploitation of this hole is not possible. Linux 2.5 is not believed to be vulnerable. Linux 2.2.25 has been released to correct Linux 2.2. It contains no other changes. The bug fixes that would have been in 2.2.5pre1 will now appear in 2.2.26pre1. The patch will apply directly to most older 2.2 releases. <SNIP>

3 2

rsh with different local and remote user
by Wagner, Uwe 19 Mar '03

19 Mar '03

Hi, is there another solution than creating for every user a .rhosts file ? I want to use : rsh -l <remoteuser> <remotehost> date remoteuser and localuser are different. I've experimented with entries in /etc/netgroup and /etc/hosts.equiv, but this works only, if remoteuser and localuser are the same. Any idea ? regards uwe

2 1

SuSE Security Announcement: samba (SuSE-SA:2003:016)
by Marc Heuse 19 Mar '03

19 Mar '03

Resent for Announcement-ID change from SuSE-SA:2003:015 to SuSE-SA:2003:016 -----BEGIN PGP SIGNED MESSAGE----- ______________________________________________________________________________ SuSE Security Announcement Package: samba, samba-client Announcement-ID: SuSE-SA:2003:016 Date: Wednesday, March 19th 12:00 MET Affected products: 7.1, 7.2, 7.3, 8.0, 8.1 SuSE Linux Database Server SuSE eMail Server 3.1 SuSE eMail Server III SuSE Firewall Adminhost VPN SuSE Linux Admin-CD for Firewall SuSE Firewall on CD 2 - VPN SuSE Firewall on CD 2 SuSE Linux Enterprise Server for S/390 SuSE Linux Connectivity Server SuSE Linux Enterprise Server 7 SuSE Linux Enterprise Server 8 SuSE Linux Office Server Vulnerability Type: remote command execution Severity (1-10): 7 SuSE default package: No Cross References: http://www.samba.org CAN-2003-0085 CAN-2003-0086 Content of this advisory: 1) security vulnerability resolved: buffer overflows and a chown race condition in the smbd server, buffer overflow in the samba client problem description, discussion, solution and upgrade information 2) pending vulnerabilities, solutions, workarounds: - wget 3) standard appendix (further information) ______________________________________________________________________________ 1) problem description, brief discussion, solution, upgrade information Sebastian Krahmer, SuSE Security Team, reviewed security-critical parts of the Samba server within the scope of security audits that the SuSE Security Team conducts on a regular basis for security-critical Open Source Software. Buffer overflows and a chown race condition have been discovered and fixed during the security audit. The buffer overflow vulnerabilitiy allows a remote attacker to execute arbitrary commands as root on the system running samba. In addition to the flaws fixed in the samba server, some overflow conditions in the samba-client package have been fixed with the available update packages. It is strongly recommended to install the update packages on a system where the samba package is used. There exists no temporary workaround against this vulnerability other than shutting down the smbd daemon. We would like to thank the Samba Team, especially Jeremy Allison, Andrew Bartlett and Volker Lendecke for their quick response and cooperation. Please note that the package names for SuSE products vary for different products. There exist the following pairings: server client ---------------------------- samba smbclnt samba samba-client samba-classic samba-classic-client samba-ldap samba-ldap-client To find out which packages are installed on your system, you may run the following command: rpm -qa|egrep '(samba|smbclnt)' Please download the update package for your distribution and verify its integrity by the methods listed in section 3) of this announcement. Then, install the package using the command "rpm -Fhv file.rpm" to apply the update. Our maintenance customers are being notified individually. The packages are being offered to install from the maintenance web. SPECIAL INSTALL INSTRUCTIONS: ============================== After successfully installing the update packages, you should restart the samba server process(es) to make the changes in the system effective. If you do not have a samba server running on your system, no further action is required. If you have a samba server running, please run the following command as root: rcsmb restart Intel i386 Platform: SuSE-8.1: ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/samba-2.2.5-160.i586.r… deae19fe6dc1fd519c9219e791983128 ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/samba-client-2.2.5-160… dac659a9c774ed1e0f8cea04e5b287ee patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/samba-2.2.5-160.i586.p… 1fdedee145fd35ad30ef078182bfcdeb ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/samba-client-2.2.5-160… 7bf4707c05c477db610f2a79b48b51a5 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/src/samba-2.2.5-160.src.rpm f62e0b9ffb00058ec4be67746903a4cc SuSE-8.0: ftp://ftp.suse.com/pub/suse/i386/update/8.0/n2/samba-2.2.3a-169.i386.rpm 519550b7d4a52f63ca858f1f58c283aa ftp://ftp.suse.com/pub/suse/i386/update/8.0/n1/samba-client-2.2.3a-169.i386… daeb00edf26acfcbad92bae602689d42 patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.0/n2/samba-2.2.3a-169.i386.patch.… faf4c352d880b1f1be4baa3e8079243f ftp://ftp.suse.com/pub/suse/i386/update/8.0/n1/samba-client-2.2.3a-169.i386… 7bbcc81d79bebff8103c37f8cb8565dc source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.0/zq1/samba-2.2.3a-169.src.rpm daf838ccb337ca0863c65a9439e7ef7a SuSE-7.3: ftp://ftp.suse.com/pub/suse/i386/update/7.3/n2/samba-2.2.1a-213.i386.rpm 368e2d0190b4520965a79bf836eaaa2d ftp://ftp.suse.com/pub/suse/i386/update/7.3/n1/samba-client-2.2.1a-213.i386… 06070925fd5cb40bc3f2985a5d64eff1 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/7.3/zq1/samba-2.2.1a-213.src.rpm af94d5ba0977e69de416fef54980a04d SuSE-7.2: ftp://ftp.suse.com/pub/suse/i386/update/7.2/n2/samba-2.2.0a-48.i386.rpm 6300d1278311145e69522d58bde5aaf8 ftp://ftp.suse.com/pub/suse/i386/update/7.2/n1/smbclnt-2.2.0a-48.i386.rpm 2553481e90b85a616c25580eb2875ea4 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/7.2/zq1/samba-2.2.0a-48.src.rpm 0d7397de281f100163fa105c972b387d SuSE-7.1: ftp://ftp.suse.com/pub/suse/i386/update/7.1/n2/samba-2.0.10-27.i386.rpm 1eb26f1ef80681ec479a9028d51647bf ftp://ftp.suse.com/pub/suse/i386/update/7.1/n1/smbclnt-2.0.10-27.i386.rpm fa2a4d306536dd90a31677487996f2e0 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/7.1/zq1/samba-2.0.10-27.src.rpm 1cd317f5749de96e432fee19310ea6f6 Sparc Platform: SuSE-7.3: ftp://ftp.suse.com/pub/suse/sparc/update/7.3/n2/samba-2.2.1a-73.sparc.rpm 9e140d7fe66015dfbb7f9b9edce5f91e ftp://ftp.suse.com/pub/suse/sparc/update/7.3/n1/samba-client-2.2.1a-73.spar… 632d72c89565cc90be8e02b50d3cdb9a source rpm(s): ftp://ftp.suse.com/pub/suse/sparc/update/7.3/zq1/samba-2.2.1a-73.src.rpm eea5157ce34ff8cb959ed46c144dd96f AXP Alpha Platform: SuSE-7.1: ftp://ftp.suse.com/pub/suse/axp/update/7.1/n2/samba-2.0.10-21.alpha.rpm 046c7de92587d7a1c30d915b72e176bc ftp://ftp.suse.com/pub/suse/axp/update/7.1/n1/smbclnt-2.0.10-21.alpha.rpm 12e9b05050a1610ba03f5338c6f92b82 source rpm(s): ftp://ftp.suse.com/pub/suse/axp/update/7.1/zq1/samba-2.0.10-21.src.rpm 79359cbca70ec1fb8a425e5b9a7eb00c PPC Power PC Platform: SuSE-7.3: ftp://ftp.suse.com/pub/suse/ppc/update/7.3/n2/samba-2.2.1a-147.ppc.rpm bd367591e2df9061baa618d6a78c84b1 ftp://ftp.suse.com/pub/suse/ppc/update/7.3/n1/samba-client-2.2.1a-147.ppc.r… b05f69057a35abde3e2c19aa456f8467 source rpm(s): ftp://ftp.suse.com/pub/suse/ppc/update/7.3/zq1/samba-2.2.1a-147.src.rpm d990a6b247a6a38eaaeaef06f71269ea SuSE-7.1: ftp://ftp.suse.com/pub/suse/ppc/update/7.1/n2/samba-2.0.10-21.ppc.rpm 5dc1f1d9337a5241cb35e7179e8fb28b ftp://ftp.suse.com/pub/suse/ppc/update/7.1/n1/smbclnt-2.0.10-21.ppc.rpm 76263c619a4d05ef4f4de4f9813a0a72 source rpm(s): ftp://ftp.suse.com/pub/suse/ppc/update/7.1/zq1/samba-2.0.10-21.src.rpm be112406b4fff2b5e4a08a67a2411919 ______________________________________________________________________________ 2) Pending vulnerabilities in SuSE Distributions and Workarounds: - wget New wget packages are available which filter certain characters such as .. and / in filenames to ensure evil servers cannot overwrite important system-files or files outside the current directory. ______________________________________________________________________________ 3) standard appendix: authenticity verification, additional information - Package authenticity verification: SuSE update packages are available on many mirror ftp servers all over the world. While this service is being considered valuable and important to the free and open source software community, many users wish to be sure about the origin of the package and its content before installing the package. There are two verification methods that can be used independently from each other to prove the authenticity of a downloaded file or rpm package: 1) md5sums as provided in the (cryptographically signed) announcement. 2) using the internal gpg signatures of the rpm package. 1) execute the command md5sum <name-of-the-file.rpm> after you downloaded the file from a SuSE ftp server or its mirrors. Then, compare the resulting md5sum with the one that is listed in the announcement. Since the announcement containing the checksums is cryptographically signed (usually using the key security(a)suse.de), the checksums show proof of the authenticity of the package. We disrecommend to subscribe to security lists which cause the email message containing the announcement to be modified so that the signature does not match after transport through the mailing list software. Downsides: You must be able to verify the authenticity of the announcement in the first place. If RPM packages are being rebuilt and a new version of a package is published on the ftp server, all md5 sums for the files are useless. 2) rpm package signatures provide an easy way to verify the authenticity of an rpm package. Use the command rpm -v --checksig <file.rpm> to verify the signature of the package, where <file.rpm> is the filename of the rpm package that you have downloaded. Of course, package authenticity verification can only target an un-installed rpm package file. Prerequisites: a) gpg is installed b) The package is signed using a certain key. The public part of this key must be installed by the gpg program in the directory ~/.gnupg/ under the user's home directory who performs the signature verification (usually root). You can import the key that is used by SuSE in rpm packages for SuSE Linux by saving this announcement to a file ("announcement.txt") and running the command (do "su -" to be root): gpg --batch; gpg < announcement.txt | gpg --import SuSE Linux distributions version 7.1 and thereafter install the key "build(a)suse.de" upon installation or upgrade, provided that the package gpg is installed. The file containing the public key is placed at the top-level directory of the first CD (pubring.gpg) and at ftp://ftp.suse.com/pub/suse/pubring.gpg-build.suse.de . - SuSE runs two security mailing lists to which any interested party may subscribe: suse-security(a)suse.com - general/linux/SuSE security discussion. All SuSE security announcements are sent to this list. To subscribe, send an email to <suse-security-subscribe(a)suse.com>. suse-security-announce(a)suse.com - SuSE's announce-only mailing list. Only SuSE's security announcements are sent to this list. To subscribe, send an email to <suse-security-announce-subscribe(a)suse.com>. For general information or the frequently asked questions (faq) send mail to: <suse-security-info(a)suse.com> or <suse-security-faq(a)suse.com> respectively. ===================================================================== SuSE's security contact is <security(a)suse.com> or <security(a)suse.de>. The <security(a)suse.de> public key is listed below. ===================================================================== ______________________________________________________________________________ The information in this advisory may be distributed or reproduced, provided that the advisory is not modified in any way. In particular, it is desired that the clear-text signature shows proof of the authenticity of the text. SuSE Linux AG makes no warranties of any kind whatsoever with respect to the information contained in this security advisory. Type Bits/KeyID Date User ID pub 2048R/3D25D3D9 1999-03-06 SuSE Security Team <security(a)suse.de> pub 1024D/9C800ACA 2000-10-19 SuSE Package Signing Key <build(a)suse.de> - -----BEGIN PGP PUBLIC KEY BLOCK----- Version: GnuPG v1.0.6 (GNU/Linux) Comment: For info see http://www.gnupg.org mQGiBDnu9IERBACT8Y35+2vv4MGVKiLEMOl9GdST6MCkYS3yEKeueNWc+z/0Kvff 4JctBsgs47tjmiI9sl0eHjm3gTR8rItXMN6sJEUHWzDP+Y0PFPboMvKx0FXl/A0d M+HFrruCgBlWt6FA+okRySQiliuI5phwqkXefl9AhkwR8xocQSVCFxcwvwCglVcO QliHu8jwRQHxlRE0tkwQQI0D+wfQwKdvhDplxHJ5nf7U8c/yE/vdvpN6lF0tmFrK XBUX+K7u4ifrZlQvj/81M4INjtXreqDiJtr99Rs6xa0ScZqITuZC4CWxJa9GynBE D3+D2t1V/f8l0smsuYoFOF7Ib49IkTdbtwAThlZp8bEhELBeGaPdNCcmfZ66rKUd G5sRA/9ovnc1krSQF2+sqB9/o7w5/q2qiyzwOSTnkjtBUVKn4zLUOf6aeBAoV6NM CC3Kj9aZHfA+ND0ehPaVGJgjaVNFhPi4x0e7BULdvgOoAqajLfvkURHAeSsxXIoE myW/xC1sBbDkDUIBSx5oej73XCZgnj/inphRqGpsb+1nKFvF+rQoU3VTRSBQYWNr YWdlIFNpZ25pbmcgS2V5IDxidWlsZEBzdXNlLmRlPohcBBMRAgAcBQI57vSBBQkD wmcABAsKAwQDFQMCAxYCAQIXgAAKCRCoTtronIAKyl8sAJ98BgD40zw0GHJHIf6d NfnwI2PAsgCgjH1+PnYEl7TFjtZsqhezX7vZvYCIRgQQEQIABgUCOnBeUgAKCRCe QOMQAAqrpNzOAKCL512FZvv4VZx94TpbA9lxyoAejACeOO1HIbActAevk5MUBhNe LZa/qM2JARUDBRA6cGBvd7LmAD0l09kBATWnB/9An5vfiUUE1VQnt+T/EYklES3t XXaJJp9pHMa4fzFa8jPVtv5UBHGee3XoUNDVwM2OgSEISZxbzdXGnqIlcT08TzBU D9i579uifklLsnr35SJDZ6ram51/CWOnnaVhUzneOA9gTPSr+/fT3WeVnwJiQCQ3 0kNLWVXWATMnsnT486eAOlT6UNBPYQLpUprF5Yryk23pQUPAgJENDEqeU6iIO9Ot 1ZPtB0lniw+/xCi13D360o1tZDYOp0hHHJN3D3EN8C1yPqZd5CvvznYvB6bWBIpW cRgdn2DUVMmpU661jwqGlRz1F84JG/xe4jGuzgpJt9IXSzyohEJB6XG5+D0BiF0E ExECAB0FAjxqqTQFCQoAgrMFCwcKAwQDFQMCAxYCAQIXgAAKCRCoTtronIAKyp1f AJ9dR7saz2KPNwD3U+fy/0BDKXrYGACfbJ8fQcJqCBQxeHvt9yMPDVq0B0W5Ag0E Oe70khAIAISR0E3ozF/la+oNaRwxHLrCet30NgnxRROYhPaJB/Tu1FQokn2/Qld/ HZnh3TwhBIw1FqrhWBJ7491iAjLR9uPbdWJrn+A7t8kSkPaF3Z/6kyc5a8fas44h t5h+6HMBzoFCMAq2aBHQRFRNp9Mz1ZvoXXcI1lk1l8OqcUM/ovXbDfPcXsUVeTPT tGzcAi2jVl9hl3iwJKkyv/RLmcusdsi8YunbvWGFAF5GaagYQo7YlF6UaBQnYJTM 523AMgpPQtsKm9o/w9WdgXkgWhgkhZEeqUS3m5xNey1nLu9iMvq9M/iXnGz4sg6Q 2Y+GqZ+yAvNWjRRou3zSE7Bzg28MI4sAAwYH/2D71Xc5HPDgu87WnBFgmp8MpSr8 QnSs0wwPg3xEullGEocolSb2c0ctuSyeVnCttJMzkukL9TqyF4s/6XRstWirSWaw JxRLKH6Zjo/FaKsshYKf8gBkAaddvpl3pO0gmUYbqmpQ3xDEYlhCeieXS5MkockQ 1sj2xYdB1xO0ExzfiCiscUKjUFy+mdzUsUutafuZ+gbHog1CN/ccZCkxcBa5IFCH ORrNjq9pYWlrxsEn6ApsG7JJbM2besW1PkdEoxak74z1senh36m5jQvVjA3U4xq1 wwylxadmmJaJHzeiLfb7G1ZRjZTsB7fyYxqDzMVul6o9BSwO/1XsIAnV1uuITAQY EQIADAUCOe70kgUJA8JnAAAKCRCoTtronIAKyksiAJsFB3/77SkH3JlYOGrEe1Ol 0JdGwACeKTttgeVPFB+iGJdiwQlxasOfuXyITAQYEQIADAUCPGqpWQUJCgCCxwAK CRCoTtronIAKyofBAKCSZM2UFyta/fe9WgITK9I5hbxxtQCfX+0ar2CZmSknn3co SPihn1+OBNyZAQ0DNuEtBAAAAQgAoCRcd7SVZEFcumffyEwfLTcXQjhKzOahzxpo omuF+HIyU4AGq+SU8sTZ/1SsjhdzzrSAfv1lETACA+3SmLr5KV40Us1w0UC64cwt A46xowVq1vMlH2Lib+V/qr3b1hE67nMHjysECVx9Ob4gFuKNoR2eqnAaJvjnAT8J /LoUC20EdCHUqn6v+M9t/WZgC+WNR8cq69uDy3YQhDP/nIan6fm2uf2kSV9A7ZxE GrwsWl/WX5Q/sQqMWaU6r4az98X3z90/cN+eJJ3vwtA+rm+nxEvyev+jaLuOQBDf ebh/XA4FZ35xmi+spdiVeJH4F/ubaGlmj7+wDOF3suYAPSXT2QAFEbQlU3VTRSBT ZWN1cml0eSBUZWFtIDxzZWN1cml0eUBzdXNlLmRlPokBFQMFEDbhLUfkWLKHsco8 RQEBVw4H/1vIdiOLX/7hdzYaG9crQVIk3QwaB5eBbjvLEMvuCZHiY2COUg5QdmPQ 8SlWNZ6k4nu1BLcv2g/pymPUWP9fG4tuSnlUJDrWGm3nhyhAC9iudP2u1YQY37Gb B6NPVaZiYMnEb4QYFcqv5c/r2ghSXUTYk7etd6SW6WCOpEqizhx1cqDKNZnsI/1X 11pFcO2N7rc6byDBJ1T+cK+F1Ehan9XBt/shryJmv04nli5CXQMEbiqYYMOu8iaA 8AWRgXPCWqhyGhcVD3LRhUJXjUOdH4ZiHCXaoF3zVPxpeGKEQY8iBrDeDyB3wHmj qY9WCX6cmogGQRgYG6yJqDalLqrDOdmJARUDBRA24S0Ed7LmAD0l09kBAW04B/4p WH3f1vQn3i6/+SmDjGzUu2GWGq6Fsdwo2hVM2ym6CILeow/K9JfhdwGvY8LRxWRL hn09j2IJ9P7H1Yz3qDf10AX6V7YILHtchKT1dcngCkTLmDgC4rs1iAAl3f089sRG BafGPGKv2DQjHfR1LfRtbf0P7c09Tkej1MP8HtQMW9hPkBYeXcwbCjdrVGFOzqx+ AvvJDdT6a+oyRMTFlvmZ83UV5pgoyimgjhWnM1V4bFBYjPrtWMkdXJSUXbR6Q7Pi RZWCzGRzwbaxqpl3rK/YTCphOLwEMB27B4/fcqtBzgoMOiaZA0M5fFoo54KgRIh0 zinsSx2OrWgvSiLEXXYKiEYEEBECAAYFAjseYcMACgkQnkDjEAAKq6ROVACgjhDM /3KM+iFjs5QXsnd4oFPOnbkAnjYGa1J3em+bmV2aiCdYXdOuGn4ZiQCVAwUQN7c7 whaQN/7O/JIVAQEB+QP/cYblSAmPXxSFiaHWB+MiUNw8B6ozBLK0QcMQ2YcL6+Vl D+nSZP20+Ja2nfiKjnibCv5ss83yXoHkYk2Rsa8foz6Y7tHwuPiccvqnIC/c9Cvz dbIsdxpfsi0qWPfvX/jLMpXqqnPjdIZErgxpwujas1n9016PuXA8K3MJwVjCqSKI RgQQEQIABgUCOhpCpAAKCRDHUqoysN/3gCt7AJ9adNQMbmA1iSYcbhtgvx9ByLPI DgCfZ5Wj+f7cnYpFZI6GkAyyczG09sE= =LRKC - -----END PGP PUBLIC KEY BLOCK----- -----BEGIN PGP SIGNATURE----- Version: 2.6.3in Charset: noconv iQEVAwUBPnhbdney5gA9JdPZAQEg0Qf/RwgWovGbyFz4GzXPsgA3B7VANC97cSw0 uEj0YueZRQ5PjZyLS4EzkWdyqoHJ65A3Y1XwIpIAfeO2OAxwOLhBK8tc00LtQl/X Nk6QIu1KRD71KbnOViPaJMwg+3VrB6OmSyI1OKVnp+uTcWwdmK1JmZdwUd84ZKjX 7QDOabaNi9hRRUr4dorN0Pqa3X27NgNamdDH/WOV60D6qvL/EVxHwH12GMaFwtmK piMVriZD8+ltgz0IfVeAav3TdMRnxZHaq4lLc69X4Zd0TsTfO4SULzgqZpq4nK4t xkcBl4ijfqPIIy10t+Vk+CnVqCS0dhPJRCVxCNJjfYcEjHurqEz2ng== =BKe1 -----END PGP SIGNATURE----- -- E@mail: marc(a)suse.de Function: Security Research and Advisory PGP: "lynx -source http://www.suse.de/~marc/marc.pgp | pgp -fka" Key fingerprint = B5 07 B6 4E 9C EF 27 EE 16 D9 70 D4 87 B5 63 6C Private: http://www.suse.de/~marc SuSE: http://www.suse.de/security

1 0

[suse-security] hole
by Vadim 19 Mar '03

19 Mar '03

Hello! what about kernel bug? http://marc.theaimsgroup.com/?l=linux-kernel&m=104791735604202&w=2 -- Best regards, Vadim mailto:asp@gmx.co.uk

1 0

SuSE Security Announcement: samba (SuSE-SA:2003:015)
by Marc Heuse 19 Mar '03

19 Mar '03

-----BEGIN PGP SIGNED MESSAGE----- ______________________________________________________________________________ SuSE Security Announcement Package: samba, samba-client Announcement-ID: SuSE-SA:2003:015 Date: Wednesday, March 19th 12:00 MET Affected products: 7.1, 7.2, 7.3, 8.0, 8.1 SuSE Linux Database Server SuSE eMail Server 3.1 SuSE eMail Server III SuSE Firewall Adminhost VPN SuSE Linux Admin-CD for Firewall SuSE Firewall on CD 2 - VPN SuSE Firewall on CD 2 SuSE Linux Enterprise Server for S/390 SuSE Linux Connectivity Server SuSE Linux Enterprise Server 7 SuSE Linux Enterprise Server 8 SuSE Linux Office Server Vulnerability Type: remote command execution Severity (1-10): 7 SuSE default package: No Cross References: http://www.samba.org CAN-2003-0085 CAN-2003-0086 Content of this advisory: 1) security vulnerability resolved: buffer overflows and a chown race condition in the smbd server, buffer overflow in the samba client problem description, discussion, solution and upgrade information 2) pending vulnerabilities, solutions, workarounds: - wget 3) standard appendix (further information) ______________________________________________________________________________ 1) problem description, brief discussion, solution, upgrade information Sebastian Krahmer, SuSE Security Team, reviewed security-critical parts of the Samba server within the scope of security audits that the SuSE Security Team conducts on a regular basis for security-critical Open Source Software. Buffer overflows and a chown race condition have been discovered and fixed during the security audit. The buffer overflow vulnerabilitiy allows a remote attacker to execute arbitrary commands as root on the system running samba. In addition to the flaws fixed in the samba server, some overflow conditions in the samba-client package have been fixed with the available update packages. It is strongly recommended to install the update packages on a system where the samba package is used. There exists no temporary workaround against this vulnerability other than shutting down the smbd daemon. We would like to thank the Samba Team, especially Jeremy Allison, Andrew Bartlett and Volker Lendecke for their quick response and cooperation. Please note that the package names for SuSE products vary for different products. There exist the following pairings: server client ---------------------------- samba smbclnt samba samba-client samba-classic samba-classic-client samba-ldap samba-ldap-client To find out which packages are installed on your system, you may run the following command: rpm -qa|egrep '(samba|smbclnt)' Please download the update package for your distribution and verify its integrity by the methods listed in section 3) of this announcement. Then, install the package using the command "rpm -Fhv file.rpm" to apply the update. Our maintenance customers are being notified individually. The packages are being offered to install from the maintenance web. SPECIAL INSTALL INSTRUCTIONS: ============================== After successfully installing the update packages, you should restart the samba server process(es) to make the changes in the system effective. If you do not have a samba server running on your system, no further action is required. If you have a samba server running, please run the following command as root: rcsmb restart Intel i386 Platform: SuSE-8.1: ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/samba-2.2.5-160.i586.r… deae19fe6dc1fd519c9219e791983128 ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/samba-client-2.2.5-160… dac659a9c774ed1e0f8cea04e5b287ee patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/samba-2.2.5-160.i586.p… 1fdedee145fd35ad30ef078182bfcdeb ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/samba-client-2.2.5-160… 7bf4707c05c477db610f2a79b48b51a5 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/src/samba-2.2.5-160.src.rpm f62e0b9ffb00058ec4be67746903a4cc SuSE-8.0: ftp://ftp.suse.com/pub/suse/i386/update/8.0/n2/samba-2.2.3a-169.i386.rpm 519550b7d4a52f63ca858f1f58c283aa ftp://ftp.suse.com/pub/suse/i386/update/8.0/n1/samba-client-2.2.3a-169.i386… daeb00edf26acfcbad92bae602689d42 patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.0/n2/samba-2.2.3a-169.i386.patch.… faf4c352d880b1f1be4baa3e8079243f ftp://ftp.suse.com/pub/suse/i386/update/8.0/n1/samba-client-2.2.3a-169.i386… 7bbcc81d79bebff8103c37f8cb8565dc source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.0/zq1/samba-2.2.3a-169.src.rpm daf838ccb337ca0863c65a9439e7ef7a SuSE-7.3: ftp://ftp.suse.com/pub/suse/i386/update/7.3/n2/samba-2.2.1a-213.i386.rpm 368e2d0190b4520965a79bf836eaaa2d ftp://ftp.suse.com/pub/suse/i386/update/7.3/n1/samba-client-2.2.1a-213.i386… 06070925fd5cb40bc3f2985a5d64eff1 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/7.3/zq1/samba-2.2.1a-213.src.rpm af94d5ba0977e69de416fef54980a04d SuSE-7.2: ftp://ftp.suse.com/pub/suse/i386/update/7.2/n2/samba-2.2.0a-48.i386.rpm 6300d1278311145e69522d58bde5aaf8 ftp://ftp.suse.com/pub/suse/i386/update/7.2/n1/smbclnt-2.2.0a-48.i386.rpm 2553481e90b85a616c25580eb2875ea4 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/7.2/zq1/samba-2.2.0a-48.src.rpm 0d7397de281f100163fa105c972b387d SuSE-7.1: ftp://ftp.suse.com/pub/suse/i386/update/7.1/n2/samba-2.0.10-27.i386.rpm 1eb26f1ef80681ec479a9028d51647bf ftp://ftp.suse.com/pub/suse/i386/update/7.1/n1/smbclnt-2.0.10-27.i386.rpm fa2a4d306536dd90a31677487996f2e0 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/7.1/zq1/samba-2.0.10-27.src.rpm 1cd317f5749de96e432fee19310ea6f6 Sparc Platform: SuSE-7.3: ftp://ftp.suse.com/pub/suse/sparc/update/7.3/n2/samba-2.2.1a-73.sparc.rpm 9e140d7fe66015dfbb7f9b9edce5f91e ftp://ftp.suse.com/pub/suse/sparc/update/7.3/n1/samba-client-2.2.1a-73.spar… 632d72c89565cc90be8e02b50d3cdb9a source rpm(s): ftp://ftp.suse.com/pub/suse/sparc/update/7.3/zq1/samba-2.2.1a-73.src.rpm eea5157ce34ff8cb959ed46c144dd96f AXP Alpha Platform: SuSE-7.1: ftp://ftp.suse.com/pub/suse/axp/update/7.1/n2/samba-2.0.10-21.alpha.rpm 046c7de92587d7a1c30d915b72e176bc ftp://ftp.suse.com/pub/suse/axp/update/7.1/n1/smbclnt-2.0.10-21.alpha.rpm 12e9b05050a1610ba03f5338c6f92b82 source rpm(s): ftp://ftp.suse.com/pub/suse/axp/update/7.1/zq1/samba-2.0.10-21.src.rpm 79359cbca70ec1fb8a425e5b9a7eb00c PPC Power PC Platform: SuSE-7.3: ftp://ftp.suse.com/pub/suse/ppc/update/7.3/n2/samba-2.2.1a-147.ppc.rpm bd367591e2df9061baa618d6a78c84b1 ftp://ftp.suse.com/pub/suse/ppc/update/7.3/n1/samba-client-2.2.1a-147.ppc.r… b05f69057a35abde3e2c19aa456f8467 source rpm(s): ftp://ftp.suse.com/pub/suse/ppc/update/7.3/zq1/samba-2.2.1a-147.src.rpm d990a6b247a6a38eaaeaef06f71269ea SuSE-7.1: ftp://ftp.suse.com/pub/suse/ppc/update/7.1/n2/samba-2.0.10-21.ppc.rpm 5dc1f1d9337a5241cb35e7179e8fb28b ftp://ftp.suse.com/pub/suse/ppc/update/7.1/n1/smbclnt-2.0.10-21.ppc.rpm 76263c619a4d05ef4f4de4f9813a0a72 source rpm(s): ftp://ftp.suse.com/pub/suse/ppc/update/7.1/zq1/samba-2.0.10-21.src.rpm be112406b4fff2b5e4a08a67a2411919 ______________________________________________________________________________ 2) Pending vulnerabilities in SuSE Distributions and Workarounds: - wget New wget packages are available which filter certain characters such as .. and / in filenames to ensure evil servers cannot overwrite important system-files or files outside the current directory. ______________________________________________________________________________ 3) standard appendix: authenticity verification, additional information - Package authenticity verification: SuSE update packages are available on many mirror ftp servers all over the world. While this service is being considered valuable and important to the free and open source software community, many users wish to be sure about the origin of the package and its content before installing the package. There are two verification methods that can be used independently from each other to prove the authenticity of a downloaded file or rpm package: 1) md5sums as provided in the (cryptographically signed) announcement. 2) using the internal gpg signatures of the rpm package. 1) execute the command md5sum <name-of-the-file.rpm> after you downloaded the file from a SuSE ftp server or its mirrors. Then, compare the resulting md5sum with the one that is listed in the announcement. Since the announcement containing the checksums is cryptographically signed (usually using the key security(a)suse.de), the checksums show proof of the authenticity of the package. We disrecommend to subscribe to security lists which cause the email message containing the announcement to be modified so that the signature does not match after transport through the mailing list software. Downsides: You must be able to verify the authenticity of the announcement in the first place. If RPM packages are being rebuilt and a new version of a package is published on the ftp server, all md5 sums for the files are useless. 2) rpm package signatures provide an easy way to verify the authenticity of an rpm package. Use the command rpm -v --checksig <file.rpm> to verify the signature of the package, where <file.rpm> is the filename of the rpm package that you have downloaded. Of course, package authenticity verification can only target an un-installed rpm package file. Prerequisites: a) gpg is installed b) The package is signed using a certain key. The public part of this key must be installed by the gpg program in the directory ~/.gnupg/ under the user's home directory who performs the signature verification (usually root). You can import the key that is used by SuSE in rpm packages for SuSE Linux by saving this announcement to a file ("announcement.txt") and running the command (do "su -" to be root): gpg --batch; gpg < announcement.txt | gpg --import SuSE Linux distributions version 7.1 and thereafter install the key "build(a)suse.de" upon installation or upgrade, provided that the package gpg is installed. The file containing the public key is placed at the top-level directory of the first CD (pubring.gpg) and at ftp://ftp.suse.com/pub/suse/pubring.gpg-build.suse.de . - SuSE runs two security mailing lists to which any interested party may subscribe: suse-security(a)suse.com - general/linux/SuSE security discussion. All SuSE security announcements are sent to this list. To subscribe, send an email to <suse-security-subscribe(a)suse.com>. suse-security-announce(a)suse.com - SuSE's announce-only mailing list. Only SuSE's security announcements are sent to this list. To subscribe, send an email to <suse-security-announce-subscribe(a)suse.com>. For general information or the frequently asked questions (faq) send mail to: <suse-security-info(a)suse.com> or <suse-security-faq(a)suse.com> respectively. ===================================================================== SuSE's security contact is <security(a)suse.com> or <security(a)suse.de>. The <security(a)suse.de> public key is listed below. ===================================================================== ______________________________________________________________________________ The information in this advisory may be distributed or reproduced, provided that the advisory is not modified in any way. In particular, it is desired that the clear-text signature shows proof of the authenticity of the text. SuSE Linux AG makes no warranties of any kind whatsoever with respect to the information contained in this security advisory. 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SuSE Security Announcement: samba (SuSE-SA:2003:015)
by Marc Heuse 19 Mar '03

19 Mar '03

-----BEGIN PGP SIGNED MESSAGE----- ______________________________________________________________________________ SuSE Security Announcement Package: samba, samba-client Announcement-ID: SuSE-SA:2003:015 Date: Wednesday, March 19th 12:00 MET Affected products: 7.1, 7.2, 7.3, 8.0, 8.1 SuSE Linux Database Server SuSE eMail Server 3.1 SuSE eMail Server III SuSE Firewall Adminhost VPN SuSE Linux Admin-CD for Firewall SuSE Firewall on CD 2 - VPN SuSE Firewall on CD 2 SuSE Linux Enterprise Server for S/390 SuSE Linux Connectivity Server SuSE Linux Enterprise Server 7 SuSE Linux Enterprise Server 8 SuSE Linux Office Server Vulnerability Type: remote command execution Severity (1-10): 7 SuSE default package: No Cross References: http://www.samba.org CAN-2003-0085 CAN-2003-0086 Content of this advisory: 1) security vulnerability resolved: buffer overflows and a chown race condition in the smbd server, buffer overflow in the samba client problem description, discussion, solution and upgrade information 2) pending vulnerabilities, solutions, workarounds: - wget 3) standard appendix (further information) ______________________________________________________________________________ 1) problem description, brief discussion, solution, upgrade information Sebastian Krahmer, SuSE Security Team, reviewed security-critical parts of the Samba server within the scope of security audits that the SuSE Security Team conducts on a regular basis for security-critical Open Source Software. Buffer overflows and a chown race condition have been discovered and fixed during the security audit. The buffer overflow vulnerabilitiy allows a remote attacker to execute arbitrary commands as root on the system running samba. In addition to the flaws fixed in the samba server, some overflow conditions in the samba-client package have been fixed with the available update packages. It is strongly recommended to install the update packages on a system where the samba package is used. There exists no temporary workaround against this vulnerability other than shutting down the smbd daemon. We would like to thank the Samba Team, especially Jeremy Allison, Andrew Bartlett and Volker Lendecke for their quick response and cooperation. Please note that the package names for SuSE products vary for different products. There exist the following pairings: server client ---------------------------- samba smbclnt samba samba-client samba-classic samba-classic-client samba-ldap samba-ldap-client To find out which packages are installed on your system, you may run the following command: rpm -qa|egrep '(samba|smbclnt)' Please download the update package for your distribution and verify its integrity by the methods listed in section 3) of this announcement. Then, install the package using the command "rpm -Fhv file.rpm" to apply the update. Our maintenance customers are being notified individually. The packages are being offered to install from the maintenance web. SPECIAL INSTALL INSTRUCTIONS: ============================== After successfully installing the update packages, you should restart the samba server process(es) to make the changes in the system effective. If you do not have a samba server running on your system, no further action is required. If you have a samba server running, please run the following command as root: rcsmb restart Intel i386 Platform: SuSE-8.1: ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/samba-2.2.5-160.i586.r… deae19fe6dc1fd519c9219e791983128 ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/samba-client-2.2.5-160… dac659a9c774ed1e0f8cea04e5b287ee patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/samba-2.2.5-160.i586.p… 1fdedee145fd35ad30ef078182bfcdeb ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/samba-client-2.2.5-160… 7bf4707c05c477db610f2a79b48b51a5 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/src/samba-2.2.5-160.src.rpm f62e0b9ffb00058ec4be67746903a4cc SuSE-8.0: ftp://ftp.suse.com/pub/suse/i386/update/8.0/n2/samba-2.2.3a-169.i386.rpm 519550b7d4a52f63ca858f1f58c283aa ftp://ftp.suse.com/pub/suse/i386/update/8.0/n1/samba-client-2.2.3a-169.i386… daeb00edf26acfcbad92bae602689d42 patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.0/n2/samba-2.2.3a-169.i386.patch.… faf4c352d880b1f1be4baa3e8079243f ftp://ftp.suse.com/pub/suse/i386/update/8.0/n1/samba-client-2.2.3a-169.i386… 7bbcc81d79bebff8103c37f8cb8565dc source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.0/zq1/samba-2.2.3a-169.src.rpm daf838ccb337ca0863c65a9439e7ef7a SuSE-7.3: ftp://ftp.suse.com/pub/suse/i386/update/7.3/n2/samba-2.2.1a-213.i386.rpm 368e2d0190b4520965a79bf836eaaa2d ftp://ftp.suse.com/pub/suse/i386/update/7.3/n1/samba-client-2.2.1a-213.i386… 06070925fd5cb40bc3f2985a5d64eff1 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/7.3/zq1/samba-2.2.1a-213.src.rpm af94d5ba0977e69de416fef54980a04d SuSE-7.2: ftp://ftp.suse.com/pub/suse/i386/update/7.2/n2/samba-2.2.0a-48.i386.rpm 6300d1278311145e69522d58bde5aaf8 ftp://ftp.suse.com/pub/suse/i386/update/7.2/n1/smbclnt-2.2.0a-48.i386.rpm 2553481e90b85a616c25580eb2875ea4 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/7.2/zq1/samba-2.2.0a-48.src.rpm 0d7397de281f100163fa105c972b387d SuSE-7.1: ftp://ftp.suse.com/pub/suse/i386/update/7.1/n2/samba-2.0.10-27.i386.rpm 1eb26f1ef80681ec479a9028d51647bf ftp://ftp.suse.com/pub/suse/i386/update/7.1/n1/smbclnt-2.0.10-27.i386.rpm fa2a4d306536dd90a31677487996f2e0 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/7.1/zq1/samba-2.0.10-27.src.rpm 1cd317f5749de96e432fee19310ea6f6 Sparc Platform: SuSE-7.3: ftp://ftp.suse.com/pub/suse/sparc/update/7.3/n2/samba-2.2.1a-73.sparc.rpm 9e140d7fe66015dfbb7f9b9edce5f91e ftp://ftp.suse.com/pub/suse/sparc/update/7.3/n1/samba-client-2.2.1a-73.spar… 632d72c89565cc90be8e02b50d3cdb9a source rpm(s): ftp://ftp.suse.com/pub/suse/sparc/update/7.3/zq1/samba-2.2.1a-73.src.rpm eea5157ce34ff8cb959ed46c144dd96f AXP Alpha Platform: SuSE-7.1: ftp://ftp.suse.com/pub/suse/axp/update/7.1/n2/samba-2.0.10-21.alpha.rpm 046c7de92587d7a1c30d915b72e176bc ftp://ftp.suse.com/pub/suse/axp/update/7.1/n1/smbclnt-2.0.10-21.alpha.rpm 12e9b05050a1610ba03f5338c6f92b82 source rpm(s): ftp://ftp.suse.com/pub/suse/axp/update/7.1/zq1/samba-2.0.10-21.src.rpm 79359cbca70ec1fb8a425e5b9a7eb00c PPC Power PC Platform: SuSE-7.3: ftp://ftp.suse.com/pub/suse/ppc/update/7.3/n2/samba-2.2.1a-147.ppc.rpm bd367591e2df9061baa618d6a78c84b1 ftp://ftp.suse.com/pub/suse/ppc/update/7.3/n1/samba-client-2.2.1a-147.ppc.r… b05f69057a35abde3e2c19aa456f8467 source rpm(s): ftp://ftp.suse.com/pub/suse/ppc/update/7.3/zq1/samba-2.2.1a-147.src.rpm d990a6b247a6a38eaaeaef06f71269ea SuSE-7.1: ftp://ftp.suse.com/pub/suse/ppc/update/7.1/n2/samba-2.0.10-21.ppc.rpm 5dc1f1d9337a5241cb35e7179e8fb28b ftp://ftp.suse.com/pub/suse/ppc/update/7.1/n1/smbclnt-2.0.10-21.ppc.rpm 76263c619a4d05ef4f4de4f9813a0a72 source rpm(s): ftp://ftp.suse.com/pub/suse/ppc/update/7.1/zq1/samba-2.0.10-21.src.rpm be112406b4fff2b5e4a08a67a2411919 ______________________________________________________________________________ 2) Pending vulnerabilities in SuSE Distributions and Workarounds: - wget New wget packages are available which filter certain characters such as .. and / in filenames to ensure evil servers cannot overwrite important system-files or files outside the current directory. ______________________________________________________________________________ 3) standard appendix: authenticity verification, additional information - Package authenticity verification: SuSE update packages are available on many mirror ftp servers all over the world. While this service is being considered valuable and important to the free and open source software community, many users wish to be sure about the origin of the package and its content before installing the package. There are two verification methods that can be used independently from each other to prove the authenticity of a downloaded file or rpm package: 1) md5sums as provided in the (cryptographically signed) announcement. 2) using the internal gpg signatures of the rpm package. 1) execute the command md5sum <name-of-the-file.rpm> after you downloaded the file from a SuSE ftp server or its mirrors. Then, compare the resulting md5sum with the one that is listed in the announcement. Since the announcement containing the checksums is cryptographically signed (usually using the key security(a)suse.de), the checksums show proof of the authenticity of the package. We disrecommend to subscribe to security lists which cause the email message containing the announcement to be modified so that the signature does not match after transport through the mailing list software. Downsides: You must be able to verify the authenticity of the announcement in the first place. If RPM packages are being rebuilt and a new version of a package is published on the ftp server, all md5 sums for the files are useless. 2) rpm package signatures provide an easy way to verify the authenticity of an rpm package. Use the command rpm -v --checksig <file.rpm> to verify the signature of the package, where <file.rpm> is the filename of the rpm package that you have downloaded. Of course, package authenticity verification can only target an un-installed rpm package file. Prerequisites: a) gpg is installed b) The package is signed using a certain key. The public part of this key must be installed by the gpg program in the directory ~/.gnupg/ under the user's home directory who performs the signature verification (usually root). You can import the key that is used by SuSE in rpm packages for SuSE Linux by saving this announcement to a file ("announcement.txt") and running the command (do "su -" to be root): gpg --batch; gpg < announcement.txt | gpg --import SuSE Linux distributions version 7.1 and thereafter install the key "build(a)suse.de" upon installation or upgrade, provided that the package gpg is installed. The file containing the public key is placed at the top-level directory of the first CD (pubring.gpg) and at ftp://ftp.suse.com/pub/suse/pubring.gpg-build.suse.de . - SuSE runs two security mailing lists to which any interested party may subscribe: suse-security(a)suse.com - general/linux/SuSE security discussion. All SuSE security announcements are sent to this list. To subscribe, send an email to <suse-security-subscribe(a)suse.com>. suse-security-announce(a)suse.com - SuSE's announce-only mailing list. Only SuSE's security announcements are sent to this list. To subscribe, send an email to <suse-security-announce-subscribe(a)suse.com>. For general information or the frequently asked questions (faq) send mail to: <suse-security-info(a)suse.com> or <suse-security-faq(a)suse.com> respectively. ===================================================================== SuSE's security contact is <security(a)suse.com> or <security(a)suse.de>. The <security(a)suse.de> public key is listed below. ===================================================================== ______________________________________________________________________________ The information in this advisory may be distributed or reproduced, provided that the advisory is not modified in any way. In particular, it is desired that the clear-text signature shows proof of the authenticity of the text. SuSE Linux AG makes no warranties of any kind whatsoever with respect to the information contained in this security advisory. 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1 0

Samba 2.2.8
by +ACI-Habichtsberg, R.+ACI- 19 Mar '03

19 Mar '03

Hi, there was an announcement of a security lack in samba. Does somebody know something about a SuSE samba rpm or a patch? Reinhard.

8 9

Fwd: [ADVISORY] Timing Attack on OpenSSL
by leppo＠arenfels.de 18 Mar '03

18 Mar '03

Hi, this seems to be a new issue aside the known timing attack from Feb. 19th. Anybody to confirm this? Regards, Leppo ---------- Weitergeleitete Nachricht ---------- Subject: [ADVISORY] Timing Attack on OpenSSL Date: Montag, 17. März 2003 09:47 From: Ben Laurie <ben(a)algroup.co.uk> To: Bugtraq <BUGTRAQ(a)securityfocus.com> I expect a release to follow shortly. -- http://www.apache-ssl.org/ben.html http://www.thebunker.net/ "There is no limit to what a man can do or how far he can go if he doesn't mind who gets the credit." - Robert Woodruff ------------------------------------------------------- OpenSSL v0.9.7a and 0.9.6i vulnerability ---------------------------------------- Researchers have discovered a timing attack on RSA keys, to which OpenSSL is generally vulnerable, unless RSA blinding has been turned on. Typically, it will not have been, because it is not easily possible to do so when using OpenSSL to provide SSL or TLS. The enclosed patch switches blinding on by default. Applications that wish to can remove the blinding with RSA_blinding_off(), but this is not generally advised. It is also possible to disable it completely by defining OPENSSL_NO_FORCE_RSA_BLINDING at compile-time. The performance impact of blinding appears to be small (a few percent). This problem affects many applications using OpenSSL, in particular, almost all SSL-enabled Apaches. You should rebuild and reinstall OpenSSL, and all affected applications. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CAN-2003-0147 to this issue. We strongly advise upgrading OpenSSL in all cases, as a precaution. Index: crypto/rsa/rsa_eay.c =================================================================== RCS file: /e/openssl/cvs/openssl/crypto/rsa/rsa_eay.c,v retrieving revision 1.28.2.3 diff -u -r1.28.2.3 rsa_eay.c --- crypto/rsa/rsa_eay.c 30 Jan 2003 17:37:46 -0000 1.28.2.3 +++ crypto/rsa/rsa_eay.c 16 Mar 2003 10:34:13 -0000 @@ -195,6 +195,25 @@ return(r); } +static int rsa_eay_blinding(RSA *rsa, BN_CTX *ctx) + { + int ret = 1; + CRYPTO_w_lock(CRYPTO_LOCK_RSA); + /* Check again inside the lock - the macro's check is racey */ + if(rsa->blinding == NULL) + ret = RSA_blinding_on(rsa, ctx); + CRYPTO_w_unlock(CRYPTO_LOCK_RSA); + return ret; + } + +#define BLINDING_HELPER(rsa, ctx, err_instr) \ + do { \ + if(((rsa)->flags & RSA_FLAG_BLINDING) && \ + ((rsa)->blinding == NULL) && \ + !rsa_eay_blinding(rsa, ctx)) \ + err_instr \ + } while(0) + /* signing */ static int RSA_eay_private_encrypt(int flen, const unsigned char *from, unsigned char *to, RSA *rsa, int padding) @@ -239,8 +258,8 @@ goto err; } - if ((rsa->flags & RSA_FLAG_BLINDING) && (rsa->blinding == NULL)) - RSA_blinding_on(rsa,ctx); + BLINDING_HELPER(rsa, ctx, goto err;); + if (rsa->flags & RSA_FLAG_BLINDING) if (!BN_BLINDING_convert(&f,rsa->blinding,ctx)) goto err; @@ -318,8 +337,8 @@ goto err; } - if ((rsa->flags & RSA_FLAG_BLINDING) && (rsa->blinding == NULL)) - RSA_blinding_on(rsa,ctx); + BLINDING_HELPER(rsa, ctx, goto err;); + if (rsa->flags & RSA_FLAG_BLINDING) if (!BN_BLINDING_convert(&f,rsa->blinding,ctx)) goto err; Index: crypto/rsa/rsa_lib.c =================================================================== RCS file: /e/openssl/cvs/openssl/crypto/rsa/rsa_lib.c,v retrieving revision 1.30.2.2 diff -u -r1.30.2.2 rsa_lib.c --- crypto/rsa/rsa_lib.c 30 Jan 2003 17:37:46 -0000 1.30.2.2 +++ crypto/rsa/rsa_lib.c 16 Mar 2003 10:34:13 -0000 @@ -72,7 +72,13 @@ RSA *RSA_new(void) { - return(RSA_new_method(NULL)); + RSA *r=RSA_new_method(NULL); + +#ifndef OPENSSL_NO_FORCE_RSA_BLINDING + r->flags|=RSA_FLAG_BLINDING; +#endif + + return r; } void RSA_set_default_method(const RSA_METHOD *meth)

1 0

Minimum package selection
by lars-lists＠pt.lu 17 Mar '03

17 Mar '03

Hi everybody, I am currently trying to install a secure backup file server with Suse 8.1. As I only want to install the strict MINIMUM among the packages available, I wonder if anyone has done the same before, i.e. selected a minimum set of packages which allows you to boot your box correctly and not much more. To do this I have installed the Suse minimum installation and deselected lots of packages, but I am not sure whether I can still take away some more packages..... "rpm -q -a | sort " gives me the attached list and y wonder if I can reduce further more this list. Any help or comments are greatly appreciated Lars

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