Buffer overflow in FFmpeg - CVE-2011-4353

Vulnerability identifier: #VU43686

CSH Severity: Low

CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2011-4353

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

The (1) av_image_fill_pointers, (2) vp5_parse_coeff, and (3) vp6_parse_coeff functions in FFmpeg 0.5.x before 0.5.7, 0.6.x before 0.6.4, 0.7.x before 0.7.9, and 0.8.x before 0.8.8; and in Libav 0.5.x before 0.5.6, 0.6.x before 0.6.4, and 0.7.x before 0.7.3 allow remote attackers to cause a denial of service (out-of-bounds read) via a crafted VP5 or VP6 stream.

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

Install update from vendor's website.

FFmpeg - addressed in versions 0.5.7, 0.6.4, 0.7.9, 0.8.8
libavformat52 (Ubuntu package) - addressed in versions 4:0.5.1-1ubuntu1.3, 4:0.6-2ubuntu6.3, 4:0.6.4-0ubuntu0.11.04.1
libavcodec52 (Ubuntu package) - addressed in versions 4:0.5.1-1ubuntu1.3, 4:0.6-2ubuntu6.3, 4:0.6.4-0ubuntu0.11.04.1
libavcodec53 (Ubuntu package) - update to 4:0.7.3-0ubuntu0.11.10.1
libavformat53 (Ubuntu package) - update to 4:0.7.3-0ubuntu0.11.10.1

• http://ffmpeg.org/
• http://libav.org/
• http://libav.org/releases/libav-0.5.6.changelog
• http://libav.org/releases/libav-0.6.4.changelog
• http://libav.org/releases/libav-0.7.3.changelog
• http://ubuntu.com/usn/usn-1320-1
• http://ubuntu.com/usn/usn-1333-1
• http://www.mandriva.com/security/advisories?name=MDVSA-2012:074
• http://www.mandriva.com/security/advisories?name=MDVSA-2012:075
• http://www.mandriva.com/security/advisories?name=MDVSA-2012:076

• Buffer overflow in FFmpeg
• Ubuntu update for libav
• Ubuntu update for ffmpeg