July 2009 - openSUSE Security - openSUSE Mailing Lists

Re: [opensuse-security] Signature verification failed for file 'repomd.xml' from repository 'openSUSE-11.1-Update'
by Thomas R. Jones 05 Oct '09

05 Oct '09

Data corruption failure during transfer? Works on my system. thomas@bodhisattva:~/Desktop> sudo zypper refresh root's password: Repository 'openSUSE BuildService - GNOME:Community' is up to date. Repository 'openSUSE-11.1-Non-Oss' is up to date. Repository 'openSUSE-11.1-Oss' is up to date. Retrieving repository 'openSUSE-11.1-Update' metadata [done] Building repository 'openSUSE-11.1-Update' cache [done] Retrieving repository 'Packman Repository' metadata [done] Building repository 'Packman Repository' cache [done] Repository 'VideoLan Repository' is up to date. Repository 'thomasrjones' is up to date. All repositories have been refreshed. thomas@bodhisattva:~/Desktop> On Wed, 2009-04-01 at 17:41 +0200, Michael Ströder wrote: > HI! > > What's up with this? > > -------------------- snip -------------------- > # zypper refresh > Repository 'openSUSE-11.1-Non-Oss' is up to date. > Signature verification failed for file 'repomd.xml' from repository > 'openSUSE-11.1-Update'. > Warning: This might be caused by a malicious change in the file! > Continuing might be risky. Continue anyway? [yes/NO]: > -------------------- snip -------------------- > > Ciao, Michael. -- To unsubscribe, e-mail: opensuse-security+unsubscribe(a)opensuse.org For additional commands, e-mail: opensuse-security+help(a)opensuse.org

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[opensuse-security] SuSEfirewall2 + transparent proxy
by Jeff Shantz 06 Jul '09

06 Jul '09

Hello, I am currently a Google Summer of Code student working on the YaST Education module. One of the elements I'm adding to the module is the ability to filter web connections at a per-group level using Dansguardian and Squid. It needs to be configured as a transparent proxy so that kids can't get around the filtering. I have Dansguardian and Squid configured and working properly. I also have a few custom iptables rules that work just fine when SuSEfirewall2 is not enabled: iptables -t nat -A OUTPUT -p tcp --dport 80 -m owner --uid-owner squid -j ACCEPT iptables -t nat -A OUTPUT -p tcp --dport 3128 -m owner --uid-owner squid -j ACCEPT iptables -t nat -A OUTPUT -p tcp --dport 80 -j REDIRECT --to-ports 8080 So, I redirect requests on port 80 to 8080 (Dansguardian's port, which then redirects to Squid on port 3128), and allow all requests made by Squid. The rules have to be in the OUTPUT chain since all requests are originating from the firewall itself (since most parents/teachers will not have an extra system lying around to use as a dedicated firewall). These rules works great when SuSEfirewall2 is disabled. I tried adding these custom rules to the fw_custom_before_denyall() hook in /etc/sysconfig/scripts/SuSEfirewall2-custom and added the following line to /etc/sysconfig/SuSEfirewall2: FW_CUSTOMRULES="/etc/sysconfig/scripts/SuSEfirewall2-custom" When I enable the firewall, the rules do get loaded (I can see them by running iptables -t nat -nvL), but pages just load forever after turning on the firewall. Is there anyone that might be able to assist with this problem? I have been stuck on it for days and well, it's a Google Summer of Code project, so you'd be helping me help the community. :) Other relevant details such as my entire ruleset output by iptables-save are located at [1]. Thanks in advance. Regards, Jeff Shantz [1] http://forums.opensuse.org/network-internet/417523-transparent-proxy-using-… -- To unsubscribe, e-mail: opensuse-security+unsubscribe(a)opensuse.org For additional commands, e-mail: opensuse-security+help(a)opensuse.org

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[opensuse-security] SUSE Security Summary Report: SUSE-SR:2009:012
by Thomas Biege 03 Jul '09

03 Jul '09

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ______________________________________________________________________________ SUSE Security Summary Report Announcement ID: SUSE-SR:2009:012 Date: Fri, 03 Jul 2009 16:00:00 +0000 Cross-References: CVE-2008-5515, CVE-2008-6123, CVE-2009-0033 CVE-2009-0146, CVE-2009-0147, CVE-2009-0165 CVE-2009-0166, CVE-2009-0198, CVE-2009-0509 CVE-2009-0510, CVE-2009-0511, CVE-2009-0512 CVE-2009-0580, CVE-2009-0663, CVE-2009-0749 CVE-2009-0755, CVE-2009-0756, CVE-2009-0781 CVE-2009-0783, CVE-2009-0791, CVE-2009-0799 CVE-2009-0800, CVE-2009-0949, CVE-2009-1179 CVE-2009-1180, CVE-2009-1181, CVE-2009-1182 CVE-2009-1183, CVE-2009-1194, CVE-2009-1271 CVE-2009-1272, CVE-2009-1341, CVE-2009-1386 CVE-2009-1387, CVE-2009-1391, CVE-2009-1438 CVE-2009-1572, CVE-2009-1574, CVE-2009-1632 CVE-2009-1648, CVE-2009-1855, CVE-2009-1856 CVE-2009-1857, CVE-2009-1858, CVE-2009-1859 CVE-2009-1861, CVE-2009-1882, CVE-2009-1957 CVE-2009-1958, CVE-2009-1959 Content of this advisory: 1) Solved Security Vulnerabilities: - optipng - cups - quagga - pango - strongswan - perl-DBD-Pg - irssi - openssl/libopenssl-devel - net-snmp - ImageMagick/GraphicsMagick - perl - ipsec-tools/novell-ipsec-tools - poppler/libpoppler3/libpoppler4 - yast2-ldap-server - tomcat6 - gstreamer-plugins/gstreamer010-plugins-bad - apache2-mod_php5 2) Pending Vulnerabilities, Solutions, and Work-Arounds: none 3) Authenticity Verification and Additional Information ______________________________________________________________________________ 1) Solved Security Vulnerabilities To avoid flooding mailing lists with SUSE Security Announcements for minor issues, SUSE Security releases weekly summary reports for the low profile vulnerability fixes. The SUSE Security Summary Reports do not list or download URLs like the SUSE Security Announcements that are released for more severe vulnerabilities. Fixed packages for the following incidents are already available on our FTP server and via the YaST Online Update. - optipng OptiPNG contained a bug in the GIF handling code that allowed to use already freed ressources. CVE-2009-0749 has been assigned to this issue. Affected products: openSUSE 10.3-11.1, SLE9-11 - cups The "pdftops" was prone to several integer overflows (CVE-2009-0791). The cups daemon could crash when receiving IPP requests with multiple unsupported tags (CVE-2009-0949). Affected products: openSUSE 10.3, SLE9,10 - quagga This update fixes a remote denial of service bug in quagga that can be triggered via an AS path containing ASN elements whose string repre- sentation is longer than expected. (CVE-2009-1572) Affected products: openSUSE 10.3-11.1, SLE9-11 - pango This update of pango fixes a segfault in libpango that can be triggered by visiting web-sites. (CVE-2009-1194) Affected products: openSUSE 11.1, SLE11 - strongswan This update fixes two denial of service bugs that can lead to a remote pre-auth crash while processing a IKE_SA_INIT or a IKE_AUTH request. (CVE-2009-1957 and CVE-2009-1958) Affected products: openSUSE 10.3-11.1, SLE9-11 - perl-DBD-Pg This update of perl-DBD-Pg fixes a heap-based buffer overflow in function pg_db_getline() (CVE-2009-0663) and a denial of service bug that could be triggered remotely (CVE-2009-1341). Affected products: openSUSE 10.3, SLE10 - irssi Fixed a irssi off by one overflow in the event_wallops() function. CVE-2009-1959 has been assigned to this issue. Affected products: openSUSE 10.3-11.1 - openssl/libopenssl-devel OpenSSL DTLS remote DoS in ChangeCipherSpec (CVE-2009-1386) and in out-of-sequence message handling (CVE-2009-1387) have been fixed. Affected products: openSUSE 10.3-11.1, SLE9-11 - net-snmp With this update of net-snmp the handling of TCP wrappers rules for client authorization was improved, prior to this update it was possible for remote attackers to bypass intended access restrictions and execute SNMP queries. (CVE-2008-6123) Additionally binding to multiple interfaces was improved. Affected products: openSUSE 10.3-11.1, SLE9-11 - ImageMagick/GraphicsMagick This update of ImageMagick fixes an integer overflow in the XMakeImage() function that allowed remote attackers to cause a denial-of-service and possibly the execution of arbitrary code via a crafted TIFF file. (CVE-2009-1882) Affected products: openSUSE 10.3-11.1, SLE9-11 - perl/perl-Compress-Raw-Zlib A Buffer overflow in perl, in the base Compress::Raw::Zlib perl module has been fixed. (CVE-2009-1391) Affected products: openSUSE 10.3-11.1, SLE9-11 - ipsec-tools/novell-ipsec-tools This update of ipsec-tools fixes a crash of racoon in ISAKMP's de- fragmentation code due to a NULL-pointer dereference. (CVE-2009-1574) Additionally multiple memory leaks were fixed that allowed to execute a remote denial of service attack. (CVE-2009-1632) Affected products: openSUSE 10.3-11.1, SLE9-11 - poppler/libpoppler3/libpoppler4 This update of poppler: fix various security bugs that occur while decoding JBIG2 (CVE-2009-0146, CVE-2009-0147, CVE-2009-0165, CVE-2009-0166, CVE-2009-0799, CVE-2009-0800, CVE-2009-1179, CVE-2009-1180, CVE-2009-1181, CVE-2009-1182, CVE-2009-1183). Further a denial of service bug in function FormWidgetChoice::loadDefaults() (CVE-2009-0755) and JBIG2Stream::readSymbolDictSeg() (CVE-2009-0756) was closed that could be triggered via malformed PDF files. Affected products: openSUSE 10.3-11.1, SLE9-11 - yast2-ldap-server The YaST2 LDAP module in SUSE Linux Enterprise Server 11 did not initialize the firewall configuration during second stage installation. Therefore, if an online update required reboot during second stage firewall settings were not applied and the firewall turned off (CVE-2009-1648). Affected products: SLE11 - tomcat6 This update of tomcat fixes several vulnerabilities: - CVE-2008-5515: RequestDispatcher usage can lead to information leakage - CVE-2009-0033: denial of service via AJP connection - CVE-2009-0580: some authentication classes allow user enumeration - CVE-2009-0781: XSS bug in example application cal2.jsp - CVE-2009-0783: replacing XML parser leads to information leakage Additionally, non-security bugs were fixed. Affected products: openSUSE 11.0-11.1, SLE11 - gstreamer-plugins/gstreamer010-plugins-bad This update fixes a buffer overflow in libmodplug MED file handler that can be exploited remotely to execute arbitrary code with the privileges of the process using the library. (CVE-2009-1438) Affected products: openSUSE 11.0-11.1, NLD9 - apache2-mod_php5 This update fixes the JSON parser (CVE-2009-1271) and the zip packer code (CVE-2009-1272) in php5. Both bugs can lead to a remote denial of service attack. Affected products: SLE11 ______________________________________________________________________________ 2) Pending Vulnerabilities, Solutions, and Work-Arounds none ______________________________________________________________________________ 3) Authenticity Verification and Additional Information - Announcement authenticity verification: SUSE security announcements are published via mailing lists and on Web sites. The authenticity and integrity of a SUSE security announcement is guaranteed by a cryptographic signature in each announcement. All SUSE security announcements are published with a valid signature. To verify the signature of the announcement, save it as text into a file and run the command gpg --verify <file> replacing <file> with the name of the file containing the announcement. The output for a valid signature looks like: gpg: Signature made <DATE> using RSA key ID 3D25D3D9 gpg: Good signature from "SuSE Security Team <security(a)suse.de>" where <DATE> is replaced by the date the document was signed. If the security team's key is not contained in your key ring, you can import it from the first installation CD. To import the key, use the command gpg --import gpg-pubkey-3d25d3d9-36e12d04.asc - Package authenticity verification: SUSE update packages are available on many mirror FTP servers all over the world. While this service is considered valuable and important to the free and open source software community, the authenticity and integrity of a package needs to be verified to ensure that it has not been tampered with. The internal 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, replacing <file.rpm> with the filename of the RPM package downloaded. The package is unmodified if it contains a valid signature from build(a)suse.de with the key ID 9C800ACA. This key is automatically imported into the RPM database (on RPMv4-based distributions) and the gpg key ring of 'root' during installation. You can also find it on the first installation CD and included at the end of this announcement. - SUSE runs two security mailing lists to which any interested party may subscribe: opensuse-security(a)opensuse.org - General Linux and SUSE security discussion. All SUSE security announcements are sent to this list. To subscribe, send an e-mail to <opensuse-security+subscribe(a)opensuse.org>. opensuse-security-announce(a)opensuse.org - SUSE's announce-only mailing list. Only SUSE's security announcements are sent to this list. To subscribe, send an e-mail to <opensuse-security-announce+subscribe(a)opensuse.org>. ===================================================================== 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, the clear text signature should show proof of the authenticity of the text. SUSE Linux Products GmbH provides no warranties of any kind whatsoever with respect to the information contained in this security advisory. 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