Bug: NGS00068 Patch Notification: LibAVCodec AMV Out of Array Write (WLB-2011070117 Ascii Version)

English Version
WLB2

CVE WLB2

 Topic: NGS00068 Patch Notification: LibAVCodec AMV Out of Array Write
 Credit: Research@NGSSecure
 Date: 2011.07.09
 CWE: CWE-119 (Show similar)
 CVE: CVE-2011-1931 (Show details)

Use CVE to see details like:
- CVSS2,
- Affected Software,
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Risk
Local
Remote
Medium
No
Yes

LibAVCodec AMV Out of Array Write

27/04/2011

Dominic Chell of NGS Secure has discovered a high risk vulnerability in LibAVCodec. Opening a malformed AMV file can
result in an out of array write and potentially arbitrary code execution when using this library. Whilst the
vulnerability may affect multiple applications that use this library, it was only tested on VLC media player.

Versions affected include:
VLC media player 1.1.9 and earlier releases.

This issue is addressed in the latest release of FFMpeg, which can be found at:
http://www.ffmpeg.org/download.html

Further information on the changes is available in the FFMpeg git repository:
http://git.videolan.org/?p=ffmpeg.git;a=commit;h=89f903b3d5ec38c9c5d90fb
a7e626fa0eda61a32

NGS Secure is going to withhold details of this flaw for three months.
This three month window will allow users the time needed to apply the
patch before the details are released to the general public. This
reflects the NGS Secure approach to responsible disclosure.

NGS Secure Research
http://www.ngssecure.com

References:

http://git.videolan.org/?p=ffmpeg.git;a=commit;h=89f903b3d5ec38c9c5d90fba7e626fa0eda61a32
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=624339
http://www.securityfocus.com/bid/47602
http://www.securityfocus.com/archive/1/517706

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