May 2004 - openSUSE Security - openSUSE Mailing Lists

CVS is broken after last update on SuSE 8.2
by Markus Gaugusch 25 May '04

25 May '04

I installed the last CVS update on our SuSE 8.2 CVS server last Thursday (May 20). Since then, some users get the error "cvs update: move away <xxx>; it is in the way" when running cvs update. It seemed to be rather machine specific, not user specific (different windows clients, SuSE machine is running pserver). But downgrading to the original version delivered with 8.2 made the errors go away. This is the first time (for me), that a SuSE update broke something rather bad, so I'm confident that this was just a one-time mistake ;-) Is this going to be fixed? It is not really critical at the moment, because the CVS server is an internal machine, but I keep it updated nevertheless. Markus -- __________________ /"\ Markus Gaugusch \ / ASCII Ribbon Campaign markus(at)gaugusch.at X Against HTML Mail / \

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Query - Remote XDMCP Sessions
by jonathan_hughes＠goodyear.co.za 25 May '04

25 May '04

List, I am mailing this here as I think this problem may be a firewall problem. My rig: Pentium4 running SUSE Linux 8 Standard Server, single integrated network card. I have installed the standard SUSE 8 server installation. I am using the server within a secured corporate network. I managed to get XDMCP working a few days ago (for remote desktop logins to the server). I reloaded the server to change my partitions and now I find that no matter what I do I cannot get XDMCP to work anymore. - I have made the relevant/standard XDMCP changes required. (I have run XDMCP on SUSE before and on Red Hat Linux) - I am using Cygwin32 client on PC. I have used this same installation of Cygwin32 to connect to SUSE before and to connect to Red Hat so I know it works. - I have the firewall disabled on my PC (XP is my OS) - I have disabled the Firewall on the Linux box using YaST2 - I have enabled Remote Graphical Logins in YaST2 (I note that this checkbox always unchecks itself when I return to the YaST2 screen - I assume this is a security related thing). Query: I have noted that SUSE8.0 Standard Server offers a standard server installation and a 3rd party installation option. Is there any difference in the firewalling and the firewalling settings between the two installations? Can anyone offer me any advice? I am going crazy... Regards, Jonathan Hughes Tech Support Specialist MCP / MCSD Goodyear South Africa

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SELinux in 9.1
by Jarosław Nozderko 24 May '04

24 May '04

Hi, I've found some discussion in March about SELinux in list archives. I'd like to ask about SELinux status in 9.1, since it's already released and I'm considering to purchase it. I have LiveEval and it seems kernel has SEL and boots in permissive mode. Does it have a policy customized for 9.1 so it's ready to boot in enforcing mode and relabel filesystem ? What about userland tools ? I'd be grateful for information. Best regards, Jarek

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Re: [suse-security] cannot access ftp server -- getpeername (in.ftpd): Transport endpoint is not connected
by Matthias Hupp 23 May '04

23 May '04

Hi, Thank you for the hints. Will tell you when the problem is actually solved. Currently, I am using proftpd in standalone as a workaround. Just like the standard in.ftpd, proftpd did not work in inetd mode; in standalone, it does. So I will try to fix inetd when I have more time. Cheers Matthias ----- Original Message ----- From: "Carlos E. R." <robin1.listas(a)tiscali.es> To: "SLE" <suse-linux-e(a)suse.com> Cc: "Matthias Hupp" <mhupp(a)gmx.de> Sent: Wednesday, May 19, 2004 3:30 AM Subject: Re: [suse-security] cannot access ftp server -- getpeername (in.ftpd): Transport endpoint is not connected El 2004-05-18 a las 12:07 +0800, Matthias Hupp escribió: > 1) Run fsck on all partitions, maybe there was some damage. > *** > That was done already shortly after the incident... I suppose so; but any way, run it manually, from the rescue CD, spscially if there is a reiser partition somewhere. > *** > 2) maybe there was a configuration change time ago, that did not get > activated because the services afected were not restarted at the time, > till this forced reboot. > *** > That is theoretically possible. Still clueless, though... Configuration file for ftp server, /etc/host*, resolv, dns files and server (if present)... firewall files... password/groups files... -- Saludos Carlos Robinson

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Wireless security book
by Mario Ohnewald 22 May '04

22 May '04

Hello List! I would like to buy a book about wireless lan and it should cover linux and its open source tools such as ipsec, vpn, etc... I have already read "Real world security" by Bob Toxen and "Hacking Linux Exposed 2nd Edition" which i really enjoyed. So can anyone recommend me a wireless lan security book wich is quite up to date and not too dry to read? Thanks, Mario -- "Sie haben neue Mails!" - Die GMX Toolbar informiert Sie beim Surfen! Jetzt aktivieren unter http://www.gmx.net/info

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SUSE Security Announcement: cvs (SuSE-SA:2004:013)
by krahmer＠suse.de 21 May '04

21 May '04

-----BEGIN PGP SIGNED MESSAGE----- ______________________________________________________________________________ SUSE Security Announcement Package: cvs Announcement-ID: SuSE-SA:2004:013 Date: Wed May 19 13:00:00 MEST 2004 Affected products: 8.0, 8.1, 8.2, 9.0, 9.1 SuSE Firewall on CD 2 - VPN SuSE Firewall on CD 2 SuSE Linux Enterprise Server 7, 8 SuSE Linux Office Server UnitedLinux 1.0 Vulnerability Type: remote command execution Severity (1-10): 6 SUSE default package: No. Cross References: CAN-2004-0396 Content of this advisory: 1) security vulnerability resolved: buffer overflow in cvs problem description, discussion, solution and upgrade information 2) pending vulnerabilities, solutions, workarounds: - neon - subversion - kdelibs/kdelibs3 3) standard appendix (further information) ______________________________________________________________________________ 1) problem description, brief discussion, solution, upgrade information The Concurrent Versions System (CVS) offers tools which allow developers to share and maintain large software projects. Stefan Esser reported buffer overflow conditions within the cvs program. They allow remote attackers to execute arbitrary code as the user the cvs server runs as. Since there is no easy workaround we strongly recommend to update the cvs package. 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. Intel i386 Platform: SuSE-9.1: ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/cvs-1.11.14-24.3.i586.… 69c95cbfa186423e5ccd0bceca85ce5e patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/cvs-1.11.14-24.3.i586.… ed22f3796ba36d11e8b57206cc44ba50 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/src/cvs-1.11.14-24.3.src.rpm decc60230083b364be07846947baa10f SuSE-9.0: ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/cvs-1.11.6-81.i586.rpm 161e5eece784ccec09e54d93a48a25eb patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/cvs-1.11.6-81.i586.pat… 3832183c3375821d96d6bbe841c2542a source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/src/cvs-1.11.6-81.src.rpm 2e92aa8a31f034ab24b95d5586a878b3 SuSE-8.2: ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/cvs-1.11.5-112.i586.rpm c03d619fa87ffdd87e9d194ce21ce26a patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/cvs-1.11.5-112.i586.pa… 239d2dcb90a84b9a189f7320443b7710 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/src/cvs-1.11.5-112.src.rpm 8f813f570a0c24f204141006aa113e9b SuSE-8.1: ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/cvs-1.11.1p1-329.i586.… f0ded9029096e4c7fe448bfd766873c8 patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/cvs-1.11.1p1-329.i586.… f283e18a349d0b591fcc99e856e2d2a0 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/src/cvs-1.11.1p1-329.src.rpm 2fea2689f867ef164db489fc3e7ae7ae SuSE-8.0: ftp://ftp.suse.com/pub/suse/i386/update/8.0/d3/cvs-1.11.1p1-329.i386.rpm c92b15968da527c390bc2fdb43678aed patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.0/d3/cvs-1.11.1p1-329.i386.patch.… bd265ef4d22e697083fb7c4651282a29 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.0/zq1/cvs-1.11.1p1-329.src.rpm a4fd9ee43942c279f1daff2f62472cee Opteron x86_64 Platform: SuSE-9.1: ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/cvs-1.11.14-24.3.x… 94d36ec490837efc5b31ec425f7fd52e patch rpm(s): ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/cvs-1.11.14-24.3.x… 94909d2d14bac22141ae5422d0905e93 source rpm(s): ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/src/cvs-1.11.14-24.3.src.… 0ccd11bc9288c9caf2b695fabb4f2c8e SuSE-9.0: ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/x86_64/cvs-1.11.6-81.x86_… 19bad506fcf71a5391c7e597aca841a9 patch rpm(s): ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/x86_64/cvs-1.11.6-81.x86_… 12bac5dd73b90cacb4da3ce7cabef60e source rpm(s): ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/src/cvs-1.11.6-81.src.rpm 35f08b9134b849dbdeb43864c48e7406 ______________________________________________________________________________ 2) Pending vulnerabilities in SUSE Distributions and Workarounds: - neon The neon library contains a buffer overflow which allows attackers to execute arbitrary code as the user utilizing the neon library. New neon packages are available on our ftp servers. CAN-2004-0398 has been assigned to this issue. - subversion New subversion, subversion-devel and subversion-server packages are available on our ftp servers, fixing a stack overflow issue while handling REPORT queries. CAN-2004-0397 has been assigned to this issue. - kdelibs/kdelib3 New kdelibs and kdelibs3 packages are currently being tested, fixing the vulnerabilities described in http://www.kde.org/info/security/advisory-20040517-1.txt. New packages will soon be available on our ftp servers. ______________________________________________________________________________ 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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RE: [suse-security] Squid crashing
by Sturgis, Grant 20 May '04

20 May '04

This isn't the forum for this, but I happen to be a squid admin.. What version of squid? Anything in cache.log? grep for fatal or FATAL. Are you doing logrotation (I think logs >2GB cause problems). > -----Original Message----- > From: Watson, Michael [mailto:MWatso@lsuhsc.edu] > Sent: Thursday, May 20, 2004 12:31 PM > To: suse-security(a)suse.com > Subject: [suse-security] Squid crashing > > > Greetings, > > I'm not entirely sure this is the right place to post a > question like this, > but if anyone has any suggestions, I'd love to hear them. > > I'm running squid on suse 9.0 professional, and have run into > a problem. > Every couple of days, squid seems to stop working. Users > attempt to connect > to the web through squid, but never see their target webpage. > If I reboot > the system, squid starts working again, but a few days later, > the same thing > seems to happen all over again. I ran squid for a couple of > years on red > hat, and never ran into this problem--it started when I made > the move to > suse. > > I am looking into adjusting squid's error logging to help > track down this > problem, but in the meantime I thought I'd also ask if anyone > is aware of > any known issues running squid on suse 9.0. > > Thanks, > > Mike Watson > mwatso(a)lsuhsc.edu > > > This electronic message transmission is a PRIVATE communication which contains information which may be confidential or privileged. The information is intended to be for the use of the individual or entity named above. If you are not the intended recipient, please be aware that any disclosure, copying, distribution or use of the contents of this information is prohibited. Please notify the sender of the delivery error by replying to this message, or notify us by telephone (877-633-2436, ext. 0), and then delete it from your system.

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Squid crashing
by Watson, Michael 20 May '04

20 May '04

Greetings, I'm not entirely sure this is the right place to post a question like this, but if anyone has any suggestions, I'd love to hear them. I'm running squid on suse 9.0 professional, and have run into a problem. Every couple of days, squid seems to stop working. Users attempt to connect to the web through squid, but never see their target webpage. If I reboot the system, squid starts working again, but a few days later, the same thing seems to happen all over again. I ran squid for a couple of years on red hat, and never ran into this problem--it started when I made the move to suse. I am looking into adjusting squid's error logging to help track down this problem, but in the meantime I thought I'd also ask if anyone is aware of any known issues running squid on suse 9.0. Thanks, Mike Watson mwatso(a)lsuhsc.edu

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Where to report SPAM, scams, viruses, etc... (when it is illegal)
by J. Theriault 18 May '04

18 May '04

Hello list, This is more a procedural question than a direct security but relevant none the less: Where (for various countries) can you report spam, scams, dialers, viruses, or other computer crimes? Lately, the spam I have been receiving has been more and more offensive and illegal in it's offerings (many obious bank fraud scams, pirated software, etc...) and when left with only an unlisted phone number or domain it can be difficult to know where to send the information to have the proper action taken, especially if it's a foreign country. At the moment I report major problems (such as domains offering bank scams) to the ISPs in question and ignore most "normal" spam. Thanks, J. Theriault administrator(a)maginetworks.com

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Re: [suse-security] cannot access ftp server -- getpeername (in.ftpd): Transport endpoint is not connected
by Carlos E. R. 18 May '04

18 May '04

El 2004-05-17 a las 19:57 -0400, Chad Perrin escribió: You forgot to email to the list. > >>The ftp server on a web/mail/inet-gateway machine I am taking care of can > >>no longer be accessed, ever since one of the secretaries decided to > >>switch it off and on again because she could not access her files on a > >>Windows server. > >> > >> > > Is it possible that the FTP service is not set to start automatically on > bootup and needs to be started from the command line? Network daemons (servers) can be started from a start script (rc...something in suse linux), or from the inetd (or xinetd) process, whenever a conection is attempted. >From the comand line... well, unless it failed to start, it may be usefull on a machine where there is normally no ftp server, but it can be manually started when somebody asks for it. -- Saludos Carlos Robinson

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