__________________________________________________________

                     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
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