PT-2012-4261 · FFmpeg+1 · Ffmpeg+1

Published 2012-09-10 · Updated 2018-10-30 · CVE-2012-2790

Positive Technologies (AI Summary)

CVSS v2.0

10

High

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions FFmpeg versions prior to 0.11 Libav versions 0.7.x prior to 0.7.7 Libav versions 0.8.x prior to 0.8.4

Description The issue is related to the read var block data function in libavcodec/alsdec.c, specifically concerning the number of decoded samples in the first sub-block in BGMC mode. The impact and attack vectors of this issue are unknown.

Recommendations For FFmpeg versions prior to 0.11, update to version 0.11 or later. For Libav versions 0.7.x prior to 0.7.7, update to version 0.7.7 or later. For Libav versions 0.8.x prior to 0.8.4, update to version 0.8.4 or later.

Fix

Related Identifiers

CVE-2012-2790

Affected Products

Ffmpeg

Libav

References · 11

• http://mandriva.com/security/advisories?name=MDVSA-2013:079 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2012-2790 · Security Note
• http://libav.org/releases/libav-0.7.7.changelog · Note
• http://ffmpeg.org/security.html · Note
• http://libav.org/releases/libav-0.8.4.changelog · Note
• http://git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=2837d8dc276760db1821b81df3f794a90bfa56e6 · Note
• http://openwall.com/lists/oss-security/2012/09/02/4 · Note
• http://securityfocus.com/bid/55355 · Note
• http://secunia.com/advisories/51257 · Note
• http://openwall.com/lists/oss-security/2012/08/31/3 · Note
• http://secunia.com/advisories/50468 · Note