Input validation error in FFmpeg - CVE-2012-2784

Vulnerability identifier: #VU43585

CSH Severity: High

CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2012-2784

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

Unspecified vulnerability in the decode_pic function in libavcodec/cavsdec.c in FFmpeg before 0.11, and Libav 0.7.x before 0.7.7 and 0.8.x before 0.8.4, has unknown impact and attack vectors, related to "width/height changing in CAVS," a different vulnerability than CVE-2012-2777.

FFmpeg
Ubuntu
libavformat52 (Ubuntu package)
libavcodec52 (Ubuntu package)
libavformat53 (Ubuntu package)
libavcodec53 (Ubuntu package)

Install update from vendor's website.

FFmpeg - update to 0.11
libavformat52 (Ubuntu package) - update to 4:0.5.9-0ubuntu0.10.04.2
libavcodec52 (Ubuntu package) - update to 4:0.5.9-0ubuntu0.10.04.2
libavformat53 (Ubuntu package) - addressed in versions 4:0.7.6-0ubuntu0.11.10.2, 4:0.8.4-0ubuntu0.12.04.1, 6:0.8.4-0ubuntu0.12.10.1
libavcodec53 (Ubuntu package) - addressed in versions 4:0.7.6-0ubuntu0.11.10.2, 4:0.8.4-0ubuntu0.12.04.1, 6:0.8.4-0ubuntu0.12.10.1

• http://ffmpeg.org/security.html
• http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=25715064c2ef4978672a91f8c856f3e8809a7c45
• http://libav.org/releases/libav-0.7.7.changelog
• http://libav.org/releases/libav-0.8.4.changelog
• http://secunia.com/advisories/50468
• http://secunia.com/advisories/51257
• http://www.mandriva.com/security/advisories?name=MDVSA-2013:079
• http://www.openwall.com/lists/oss-security/2012/08/31/3
• http://www.openwall.com/lists/oss-security/2012/09/02/4
• http://www.securityfocus.com/bid/55355

• Input validation error in FFmpeg
• Ubuntu update for ffmpeg
• Ubuntu update for libav
• Ubuntu update for libav