PT-2012-1867 · FFmpeg+1 · Ffmpeg+1

Published 2012-08-20 · Updated 2012-08-21 · CVE-2011-4352

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Medium

Base vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions FFmpeg versions 0.5.x through 0.5.6, 0.6.x through 0.6.3, 0.7.x through 0.7.8, and 0.8.x through 0.8.7 Libav versions 0.5.x through 0.5.5, 0.6.x through 0.6.3, and 0.7.x through 0.7.2

Description The issue is caused by an integer overflow in the vp3 dequant function in the VP3 decoder, which can be triggered by a crafted VP3 stream. This can lead to a denial of service (crash) and potentially allow the execution of arbitrary code via a buffer overflow.

Recommendations For FFmpeg versions 0.5.x through 0.5.6, update to version 0.5.7 or later. For FFmpeg versions 0.6.x through 0.6.3, update to version 0.6.4 or later. For FFmpeg versions 0.7.x through 0.7.8, update to version 0.7.9 or later. For FFmpeg versions 0.8.x through 0.8.7, update to version 0.8.8 or later. For Libav versions 0.5.x through 0.5.5, update to version 0.5.6 or later. For Libav versions 0.6.x through 0.6.3, update to version 0.6.4 or later. For Libav versions 0.7.x through 0.7.2, update to version 0.7.3 or later.

Fix

Weakness Enumeration

CWE-189

Related Identifiers

CVE-2011-4352

Affected Products

Ffmpeg

Libav

References · 14

• http://ubuntu.com/usn/usn-1320-1 · Vendor Advisory
• http://mandriva.com/security/advisories?name=MDVSA-2012:075 · Vendor Advisory
• http://mandriva.com/security/advisories?name=MDVSA-2012:076 · Vendor Advisory
• http://ffmpeg.org · Vendor Advisory
• http://mandriva.com/security/advisories?name=MDVSA-2012:074 · Vendor Advisory
• http://libav.org · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2011-4352 · Security Note
• http://ubuntu.com/usn/usn-1333-1 · Vendor Advisory
• http://libav.org/releases/libav-0.5.6.changelog · Note
• http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=eef5c35b4352ec49ca41f6198bee8a976b1f81e5 · Note
• http://git.libav.org/?p=libav.git%3Ba=commit%3Bh=8b94df0f2047e9728cb872adc9e64557b7a5152f · Note
• http://libav.org/releases/libav-0.6.4.changelog · Note
• http://securityfocus.com/archive/1/520622 · Note
• http://libav.org/releases/libav-0.7.3.changelog · Note