A vulnerability was found in FFmpeg 2.0 (Multimedia Processing Software). It has been declared as problematic. Affected by this vulnerability is the function decode_frame of the file libavcodec/ansi.c. The manipulation with an unknown input leads to a integer coercion vulnerability. The CWE definition for the vulnerability is CWE-192. Integer coercion refers to a set of flaws pertaining to the type casting, extension, or truncation of primitive data types. As an impact it is known to affect integrity.

The issue has been introduced in 07/11/2013. The weakness was released 02/16/2014 by Mateusz Jurczyk and Gynvael Coldwind (j00ru) with Google Security Team as avcodec/ansi: fix integer overflow as confirmed git commit (GIT Repository). It is possible to read the advisory at git.videolan.org. This vulnerability is known as CVE-2014-125011. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 220 days. During that time the estimated underground price was around $0-$5k.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.videolan.org.

The vulnerability is also documented in the vulnerability database at X-Force (91256). Entries connected to this vulnerability are available at 12389, 12390, 12392 and 12393.

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• Multimedia Processing Software

Name

• FFmpeg

License

• open-source

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• 🔍

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