Buffer overflow in Libav and FFmpeg - CVE-2012-0851
Published: August 20, 2012 / Updated: August 11, 2020
Vulnerability identifier: #VU43703
CSH Severity: Medium
CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2012-0851
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
The ff_h264_decode_seq_parameter_set function in h264_ps.c in libavcodec in FFmpeg before 0.9.1 and in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.6, and 0.8.x before 0.8.3 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a crafted H.264 file, related to the chroma_format_idc value.
Affected software
Libav
FFmpeg
Gentoo Linux
FFmpeg
Gentoo Linux
How to mitigate CVE-2012-0851
Install update from vendor's website.
External References
- http://ffmpeg.org/security.html
- http://ffmpeg.org/trac/ffmpeg/ticket/758
- http://git.videolan.org/?p=ffmpeg.git;a=commit;h=7fff64e00d886fde11d61958888c82b461cf99b9
- http://libav.org/
- http://www.debian.org/security/2012/dsa-2494
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:079
- 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/78933