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AUSCERT External Security Bulletin Redistribution
ESB-2011.0926
ffmpeg security update
12 September 2011
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AusCERT Security Bulletin Summary
---------------------------------
Product: ffmpeg
Publisher: Debian
Operating System: Debian GNU/Linux 6
UNIX variants (UNIX, Linux, OSX)
Windows
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2011-0723 CVE-2011-0722 CVE-2011-0480
CVE-2010-4704 CVE-2010-3908
Reference: ASB-2011.0004.2
ESB-2011.0179
Original Bulletin:
http://www.debian.org/security/2011/dsa-2306
Comment: This advisory references vulnerabilities in products which run on
platforms other than Debian. It is recommended that administrators
running ffmpeg check for an updated version of the software for
their operating system.
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Debian Security Advisory DSA-2306-1 security@debian.org
http://www.debian.org/security/ Giuseppe Iuculano
September 11, 2011 http://www.debian.org/security/faq
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Package : ffmpeg
Vulnerability : several
Problem type : remote
Debian-specific: no
CVE ID : CVE-2010-3908 CVE-2010-4704 CVE-2011-0480 CVE-2011-0722
CVE-2011-0723
Debian Bug : 611495
Several vulnerabilities have been discovered in ffmpeg, a multimedia player,
server and encoder.
The Common Vulnerabilities and Exposures project identifies the following
problems:
CVE-2010-3908
FFmpeg before 0.5.4, allows remote attackers to cause a denial of service
(memory corruption and application crash) or possibly execute arbitrary code
via a malformed WMV file.
CVE-2010-4704
libavcodec/vorbis_dec.c in the Vorbis decoder in FFmpeg allows remote
attackers to cause a denial of service (application crash) via a crafted
.ogg file, related to the vorbis_floor0_decode function.
CVE-2011-0480
Multiple buffer overflows in vorbis_dec.c in the Vorbis decoder in FFmpeg
allow remote attackers to cause a denial of service (memory corruption and
application crash) or possibly have unspecified other impact via a crafted
WebM file, related to buffers for the channel floor and the channel residue.
CVE-2011-0722
FFmpeg allows remote attackers to cause a denial of service (heap memory
corruption and application crash) or possibly execute arbitrary code via a
malformed RealMedia file.
For the stable distribution (squeeze), this problem has been fixed in
version 4:0.5.4-1.
Security support for ffmpeg has been discontinued for the oldstable
distribution (lenny).
The current version in oldstable is not supported by upstream anymore
and is affected by several security issues. Backporting fixes for these
and any future issues has become unfeasible and therefore we need to
drop our security support for the version in oldstable.
We recommend that you upgrade your ffmpeg packages.
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/
Mailing list: debian-security-announce@lists.debian.org
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