Out-of-bounds read in Libav and FFmpeg - CVE-2011-3936
Published: August 20, 2012 / Updated: August 11, 2020
Vulnerability identifier: #VU43708
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2011-3936
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to perform denial of service (DoS) attack.
The vulnerability exists due to a boundary condition within the libavcodec function in FFmpeg 0.7.x before 0.7.12 and 0.8.x before 0.8.11 and file. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger out-of-bounds read error and crash the affected application.
Affected software
Libav
FFmpeg
Gentoo Linux
FFmpeg
Gentoo Linux
How to mitigate CVE-2011-3936
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
External References
- http://ffmpeg.org/
- http://git.libav.org/?p=libav.git;a=commit;h=635bcfccd439480003b74a665b5aa7c872c1ad6b
- http://git.libav.org/?p=libav.git;a=commitdiff;h=2d1c0dea5f6b91bec7f5fa53ec050913d851e366
- http://libav.org/
- http://secunia.com/advisories/49089
- http://www.debian.org/security/2012/dsa-2471
- http://www.ubuntu.com/usn/USN-1479-1