A vulnerability classified as critical has been found in FFmpeg 2.0 (Multimedia Processing Software). Affected is the function read_var_block_data. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability.

The issue has been introduced in 07/11/2013. The weakness was released 02/15/2014 by Mateusz Jurczyk and Gynvael Coldwind with Google Security Team as avcodec/alsdec: check predictor order against block length as confirmed git commit (GIT Repository). The advisory is available at git.videolan.org. This vulnerability is traded as CVE-2014-125015. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 219 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 (91210). Entries connected to this vulnerability are available at 12365 and 12367.

Productinfo

Type

• Multimedia Processing Software

Name

• FFmpeg

Version

• 2.0

License

• open-source

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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