Heap-based buffer overflow in FFmpeg - CVE-2012-0847

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in Heap-based buffer overflow in the avfilter_filter_samples function in libavfilter/avfilter.c in FFmpeg before 0.9.1. A remote attacker can use a crafted media file. to trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

How to mitigate CVE-2012-0847

Sources

• http://ffmpeg.org/security.html
• http://git.videolan.org/?p=ffmpeg.git;a=commit;h=ae21776207e8a2bbe268e7c9e203f7599dd87ddb
• http://www.openwall.com/lists/oss-security/2012/02/01/11
• http://www.openwall.com/lists/oss-security/2012/02/14/4