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| [Security Announce] MDKSA-2006:210 - Updated syslinux packages to fix embedded libpng vulnerabilities |
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(0 Votes)| Écrit par Administrator |
| Vendredi, 17 Novembre 2006 21:10 |
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_______________________________________________________________________ Mandriva Linux Security Advisory MDKSA-2006:210 http://www.mandriva.com/security/ _______________________________________________________________________ Package : syslinux Date : November 16, 2006 Affected: 2007.0 _______________________________________________________________________ Problem Description: SYSLINUX is a boot loader for the Linux operating system which operates off an MS-DOS/Windows FAT filesystem. It is built with a private copy of libpng, and as such could be susceptible to some of the same vulnerabilities: Buffer overflow in the png_decompress_chunk function in pngrutil.c in libpng before 1.2.12 allows context-dependent attackers to cause a denial of service and possibly execute arbitrary code via unspecified vectors related to "chunk error processing," possibly involving the "chunk_name". (CVE-2006-3334) It is questionable whether this issue is actually exploitable, but the patch to correct the issue has been included in versions < 1.2.12. Tavis Ormandy, of the Gentoo Linux Security Auditing Team, discovered a typo in png_set_sPLT() that may cause an application using libpng to read out of bounds, resulting in a crash. (CVE-2006-5793) Packages have been patched to correct these issues. _______________________________________________________________________ References: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3334 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-5793 _______________________________________________________________________ Updated Packages: Mandriva Linux 2007.0: a2d0440a0b3a9c931479800703a2d60e 2007.0/i586/pxelinux-3.20-3.1mdv2007.0.i586.rpm 1dcefe1c500d17ddc430c9990b202c2b 2007.0/i586/syslinux-3.20-3.1mdv2007.0.i586.rpm 4c973128add1460edb19f4826a1bad7a 2007.0/i586/syslinux-devel-3.20-3.1mdv2007.0.i586.rpm 3893ea9327016ffbd67429924376378d 2007.0/SRPMS/syslinux-3.20-3.1mdv2007.0.src.rpm Mandriva Linux 2007.0/X86_64: f8a364fb18e1a5a17d9112738925555c 2007.0/x86_64/pxelinux-3.20-3.1mdv2007.0.i586.rpm dc169368f3b24012fd34030a82de0367 2007.0/x86_64/syslinux-3.20-3.1mdv2007.0.i586.rpm e4ef6f30ce1ff80b91e21e883eff1d27 2007.0/x86_64/syslinux-devel-3.20-3.1mdv2007.0.i586.rpm 3893ea9327016ffbd67429924376378d 2007.0/SRPMS/syslinux-3.20-3.1mdv2007.0.src.rpm _______________________________________________________________________ To upgrade automatically use MandrivaUpdate or urpmi. The verification of md5 checksums and GPG signatures is performed automatically for you. All packages are signed by Mandriva for security. You can obtain the GPG public key of the Mandriva Security Team by executing: gpg --recv-keys --keyserver pgp.mit.edu 0x22458A98 You can view other update advisories for Mandriva Linux at: http://www.mandriva.com/security/advisories If you want to report vulnerabilities, please contact security_(at)_mandriva.com _______________________________________________________________________ 
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