__________________________________________________________ The U.S. Department of Energy Computer Incident Advisory Capability ___ __ __ _ ___ / | /_\ / \___ __|__ / \ \___ __________________________________________________________ INFORMATION BULLETIN ffmpeg [Debian Security Advisory DSA-992-1] March 13, 2006 17:00 GMT Number Q-144 [REVISED 20 Mar 2006] ______________________________________________________________________________ PROBLEM: Specially crafted PNG images can trigger a heap overflow in libavcodec, the multimedia library of ffmpeg. PLATFORM: Debian GNU/Linux 3.1 alias sarge DAMAGE: May lead to the execution of arbitrary code. SOLUTION: Upgrade to the appropriate version. ______________________________________________________________________________ VULNERABILITY The risk is LOW. May lead to the execution of arbitrary code. ASSESSMENT: ______________________________________________________________________________ LINKS: CIAC BULLETIN: http://www.ciac.org/ciac/bulletins/q-144.shtml ORIGINAL BULLETIN: Debian Security Advisory DSA-992-1 http://www.debian.org/security/2006/dsa-992 Debian Security Advisory DSA-1004-1 http://www.debian.org/security/2006/dsa-1004 CVE: http://www.cve.mitre.org/cgi-bin/cvename.cgi?name= CVE-2005-4048 ______________________________________________________________________________ REVISION HISTORY: 03/20/06 - added a link to Debian Security Advisory DSA-1004-1 [***** Start Debian Security Advisory DSA-992-1 *****] Debian Security Advisory DSA-992-1 ffmpeg -- buffer overflow Date Reported: 10 Mar 2006 Affected Packages: ffmpeg Vulnerable: Yes Security database references: In the Debian bugtracking system: Bug 342207. In Mitre's CVE dictionary: CVE-2005-4048. More information: Simon Kilvington discovered that specially crafted PNG images can trigger a heap overflow in libavcodec, the multimedia library of ffmpeg, which may lead to the execution of arbitrary code. The old stable distribution (woody) doesn't contain ffmpeg packages. For the stable distribution (sarge) this problem has been fixed in version 0. cvs20050313-2sarge1. For the unstable distribution (sid) this problem has been fixed in version 0. cvs20050918-5.1. We recommend that you upgrade your ffmpeg package. Fixed in: Debian GNU/Linux 3.1 (sarge) Source: http://security.debian.org/pool/updates/main/f/ffmpeg/ffmpeg_0.cvs20050313-2 sarge1.dsc http://security.debian.org/pool/updates/main/f/ffmpeg/ffmpeg_0.cvs20050313-2 sarge1.diff.gz http://security.debian.org/pool/updates/main/f/ffmpeg/ffmpeg_0.cvs20050313.o rig.tar.gz Alpha: http://security.debian.org/pool/updates/main/f/ffmpeg/ffmpeg_0.cvs20050313-2 sarge1_alpha.deb http://security.debian.org/pool/updates/main/f/ffmpeg/libavcodec-dev_0.cvs 20050313-2sarge1_alpha.deb http://security.debian.org/pool/updates/main/f/ffmpeg/libavformat-dev_0.cvs 20050313-2sarge1_alpha.deb http://security.debian.org/pool/updates/main/f/ffmpeg/libpostproc-dev_0.cvs 20050313-2sarge1_alpha.deb AMD64: http://security.debian.org/pool/updates/main/f/ffmpeg/ffmpeg_0.cvs20050313- 2sarge1_amd64.deb http://security.debian.org/pool/updates/main/f/ffmpeg/libavcodec-dev_0.cvs 20050313-2sarge1_amd64.deb http://security.debian.org/pool/updates/main/f/ffmpeg/libavformat-dev_0.cvs 20050313-2sarge1_amd64.deb http://security.debian.org/pool/updates/main/f/ffmpeg/libpostproc-dev_0.cvs 20050313-2sarge1_amd64.deb ARM: http://security.debian.org/pool/updates/main/f/ffmpeg/ffmpeg_0.cvs20050313- 2sarge1_arm.deb http://security.debian.org/pool/updates/main/f/ffmpeg/libavcodec-dev_0.cvs 20050313-2sarge1_arm.deb http://security.debian.org/pool/updates/main/f/ffmpeg/libavformat-dev_0.cvs 20050313-2sarge1_arm.deb http://security.debian.org/pool/updates/main/f/ffmpeg/libpostproc-dev_0.cvs 20050313-2sarge1_arm.deb Intel IA-32: http://security.debian.org/pool/updates/main/f/ffmpeg/ffmpeg_0.cvs20050313- 2sarge1_i386.deb http://security.debian.org/pool/updates/main/f/ffmpeg/libavcodec-dev_0.cvs 20050313-2sarge1_i386.deb http://security.debian.org/pool/updates/main/f/ffmpeg/libavformat-dev_0.cvs 20050313-2sarge1_i386.deb http://security.debian.org/pool/updates/main/f/ffmpeg/libpostproc-dev_0.cvs 20050313-2sarge1_i386.deb Intel IA-64: http://security.debian.org/pool/updates/main/f/ffmpeg/ffmpeg_0.cvs20050313- 2sarge1_ia64.deb http://security.debian.org/pool/updates/main/f/ffmpeg/libavcodec-dev_0.cvs 20050313-2sarge1_ia64.deb http://security.debian.org/pool/updates/main/f/ffmpeg/libavformat-dev_0.cvs 20050313-2sarge1_ia64.deb http://security.debian.org/pool/updates/main/f/ffmpeg/libpostproc-dev_0.cvs 20050313-2sarge1_ia64.deb HPPA: http://security.debian.org/pool/updates/main/f/ffmpeg/ffmpeg_0.cvs20050313- 2sarge1_hppa.deb http://security.debian.org/pool/updates/main/f/ffmpeg/libavcodec-dev_0.cvs 20050313-2sarge1_hppa.deb http://security.debian.org/pool/updates/main/f/ffmpeg/libavformat-dev_0.cvs 20050313-2sarge1_hppa.deb http://security.debian.org/pool/updates/main/f/ffmpeg/libpostproc-dev_0.cvs 20050313-2sarge1_hppa.deb Motorola 680x0: http://security.debian.org/pool/updates/main/f/ffmpeg/ffmpeg_0.cvs20050313- 2sarge1_m68k.deb http://security.debian.org/pool/updates/main/f/ffmpeg/libavcodec-dev_0.cvs 20050313-2sarge1_m68k.deb http://security.debian.org/pool/updates/main/f/ffmpeg/libavformat-dev_0.cvs 20050313-2sarge1_m68k.deb http://security.debian.org/pool/updates/main/f/ffmpeg/libpostproc-dev_0.cvs 20050313-2sarge1_m68k.deb Big endian MIPS: http://security.debian.org/pool/updates/main/f/ffmpeg/ffmpeg_0.cvs20050313- 2sarge1_mips.deb http://security.debian.org/pool/updates/main/f/ffmpeg/libavcodec-dev_0.cvs 20050313-2sarge1_mips.deb http://security.debian.org/pool/updates/main/f/ffmpeg/libavformat-dev_0.cvs 20050313-2sarge1_mips.deb http://security.debian.org/pool/updates/main/f/ffmpeg/libpostproc-dev_0.cvs 20050313-2sarge1_mips.deb Little endian MIPS: http://security.debian.org/pool/updates/main/f/ffmpeg/ffmpeg_0.cvs20050313- 2sarge1_mipsel.deb http://security.debian.org/pool/updates/main/f/ffmpeg/libavcodec-dev_0.cvs 20050313-2sarge1_mipsel.deb http://security.debian.org/pool/updates/main/f/ffmpeg/libavformat-dev_0.cvs 20050313-2sarge1_mipsel.deb http://security.debian.org/pool/updates/main/f/ffmpeg/libpostproc-dev_0.cvs 20050313-2sarge1_mipsel.deb PowerPC: http://security.debian.org/pool/updates/main/f/ffmpeg/ffmpeg_0.cvs20050313- 2sarge1_powerpc.deb http://security.debian.org/pool/updates/main/f/ffmpeg/libavcodec-dev_0.cvs 20050313-2sarge1_powerpc.deb http://security.debian.org/pool/updates/main/f/ffmpeg/libavformat-dev_0.cvs 20050313-2sarge1_powerpc.deb http://security.debian.org/pool/updates/main/f/ffmpeg/libpostproc-dev_0.cvs 20050313-2sarge1_powerpc.deb IBM S/390: http://security.debian.org/pool/updates/main/f/ffmpeg/ffmpeg_0.cvs20050313- 2sarge1_s390.deb http://security.debian.org/pool/updates/main/f/ffmpeg/libavcodec-dev_0.cvs 20050313-2sarge1_s390.deb http://security.debian.org/pool/updates/main/f/ffmpeg/libavformat-dev_0.cvs 20050313-2sarge1_s390.deb http://security.debian.org/pool/updates/main/f/ffmpeg/libpostproc-dev_0.cvs 20050313-2sarge1_s390.deb Sun Sparc: http://security.debian.org/pool/updates/main/f/ffmpeg/ffmpeg_0.cvs20050313- 2sarge1_sparc.deb http://security.debian.org/pool/updates/main/f/ffmpeg/libavcodec-dev_0.cvs 20050313-2sarge1_sparc.deb http://security.debian.org/pool/updates/main/f/ffmpeg/libavformat-dev_0.cvs 20050313-2sarge1_sparc.deb http://security.debian.org/pool/updates/main/f/ffmpeg/libpostproc-dev_0.cvs 20050313-2sarge1_sparc.deb MD5 checksums of the listed files are available in the original advisory. [***** End Debian Security Advisory DSA-992-1 *****] _______________________________________________________________________________ CIAC wishes to acknowledge the contributions of Debian for the information contained in this bulletin. _______________________________________________________________________________ CIAC, the Computer Incident Advisory Capability, is the computer security incident response team for the U.S. Department of Energy (DOE) and the emergency backup response team for the National Institutes of Health (NIH). CIAC is located at the Lawrence Livermore National Laboratory in Livermore, California. CIAC is also a founding member of FIRST, the Forum of Incident Response and Security Teams, a global organization established to foster cooperation and coordination among computer security teams worldwide. CIAC services are available to DOE, DOE contractors, and the NIH. 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