|From:||Marcus Meissner <email@example.com>|
|Subject:||[suse-security-announce] SUSE Security Summary Report SUSE-SR:2006:016|
|Date:||Fri, 14 Jul 2006 16:41:09 +0200|
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ______________________________________________________________________________ SUSE Security Summary Report Announcement ID: SUSE-SR:2006:016 Date: Fri, 14 Jul 2006 17:00:00 +0000 Cross-References: CVE-2004-1488, CVE-2005-4190, CVE-2006-2195 CVE-2006-2451, CVE-2006-3093, CVE-2006-3242 CVE-2006-3334 Content of this advisory: 1) Solved Security Vulnerabilities: - Acroread 7.0.8 problems - not affected - libpng buffer overflow - not affected - wget file overwrite and terminal characters - mutt remove overflow by IMAP servers - horde cross site scripting problems fixed 2) Pending Vulnerabilities, Solutions, and Work-Arounds: - Local root exploit in Linux kernel 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 md5 sums 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. - Acroread 7.0.8 problems - not affected In SUSE-SA:2006:041 we reported that Acrobat Reader on Linux is affected by the problem referenced by CVE-2006-3093. Further information showed that this is not the case. This means that Acrobat Reader 7.0.5 is not vulnerable to this problem. - libpng buffer overflow - not affected The PNG developers released a new version of libpng, which fixes a buffer overflow. This issue is tracked by the Mitre CVE ID CVE-2006-3334. Our investigations show: - With the current interaction between libpng and zlib it is not possible to get the error return code that triggers the buffer overflow. - The overflow would overwrite 2 bytes of stack padding (assuming a default padding of 4 bytes). - And last but not least it would be caught by _FORTIFY_SOURCE on SUSE Linux 10.0 and newer products. So no SUSE product is affected by this problem. - wget file overwrite and terminal characters A security issue was fixed in wget, where evil servers could send terminal escape codes to the user calling wget. This would only affect interactive sessions. (CVE-2004-1488) Additionally the previous ".file" fix was found to be buggy and replaced. This bug could lead to ".directories" not being retrievable and "_files" being overwritten. All SUSE Linux based products were affected by those problems. - mutt remove overflow by IMAP servers Mutt had a buffer overflow in IMAP name space parsing code which may open a possible remote vulnerability (CVE-2006-3242). This requires attaching to an "evil" IMAP server. All SUSE Linux based products containing mutt were affected. - horde cross site scripting problems fixed Some cross site scripting problems where fixed in the horde framework. These are tracked by the Mitre CVE IDs CVE-2005-4190,CVE-2006-2195. All SUSE Linux based products containing horde were affected. ______________________________________________________________________________ 2) Pending Vulnerabilities, Solutions, and Work-Arounds - Local root exploit in Linux kernel The Mitre CVE ID CVE-2006-2451 is referencing a local root exploit using the prctl() system call. SUSE Linux Enterprise Server 9, Novell Linux Desktop 9, Open Enterprise Server, SUSE Linux 10.0, SUSE Linux 10.1 and SUSE Linux Enterprise (Server and Desktop) 10 are affected by this problem. We are preparing updates for this problem, but they will take at least a week due to QA turnaround times. Temporary Kernel updates can be gotten from our Kernel Of The Day repository (unsupported): SLES9, NLD9 and OES: ftp://ftp.suse.com/pub/projects/kernel/kotd/sles9-<arch>/SLES9_SP3_BRANCH/ SUSE Linux 10.0: ftp://ftp.suse.com/pub/projects/kernel/kotd/10.0-<arch>/SL100_BRANCH/ SUSE Linux 10.1, SLE10: No fixed kernel of the day available currently. ______________________________________________________________________________ 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 <firstname.lastname@example.org>" 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 email@example.com 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: firstname.lastname@example.org - General Linux and SUSE security discussion. All SUSE security announcements are sent to this list. To subscribe, send an e-mail to <email@example.com>. firstname.lastname@example.org - SUSE's announce-only mailing list. Only SUSE's security announcements are sent to this list. To subscribe, send an e-mail to <email@example.com>. For general information or the frequently asked questions (FAQ) send mail to <firstname.lastname@example.org> or <email@example.com>. ===================================================================== SUSE's security contact is <firstname.lastname@example.org> or <email@example.com>. The <firstname.lastname@example.org> 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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