Input validation error in FFmpeg - CVE-2012-0859

Vulnerability identifier: #VU43706

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2012-0859

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows remote attackers to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (application crash) and possibly execute arbitrary code via a crafted Vorbis file, related to a large multiplier.

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

Install update from vendor's website.

libavformat52 (Ubuntu package) - addressed in versions 4:0.5.9-0ubuntu0.10.04.1, 4:0.6.6-0ubuntu0.11.04.1
libavcodec52 (Ubuntu package) - addressed in versions 4:0.5.9-0ubuntu0.10.04.1, 4:0.6.6-0ubuntu0.11.04.1
libavcodec53 (Ubuntu package) - addressed in versions 4:0.7.6-0ubuntu0.11.10.1, 4:0.8.3-0ubuntu0.12.04.1
libavformat53 (Ubuntu package) - addressed in versions 4:0.7.6-0ubuntu0.11.10.1, 4:0.8.3-0ubuntu0.12.04.1

• http://ffmpeg.org/security.html
• http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=6fcf2bb8af0e7d6bb179e71e67e5fab8ef0d2ec2
• http://www.openwall.com/lists/oss-security/2012/02/14/4
• http://www.ubuntu.com/usn/USN-1479-1
• https://exchange.xforce.ibmcloud.com/vulnerabilities/78925

• Multiple vulnerabilities in ffmpeg.sourceforge.net FFmpeg
• Ubuntu update for ffmpeg
• Ubuntu update for libav