A vulnerability, which was classified as critical, was found in FFmpeg up to 2.0 (Multimedia Processing Software). This affects the function decode_subframe_lpc of the file libavcodec/shorten.c of the component Array Handler. The manipulation of the argument pred_order 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 availability.

The weakness was disclosed 10/09/2013 by Mateusz Jurczyk and Gynvael Coldwind with Google Security Team as shorten: Extend fixed_coeffs to properly support pred_order 0 as confirmed git commit (GIT Repository). The advisory is shared at git.videolan.org. The public release has been coordinated in cooperation with the project team. The attack can only be initiated within the local network. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.libav.org. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The entries 10681, 10679 and 10678 are pretty similar.

Affected

• FFmpeg 2.0
• Libav 9.9

Productinfo

Type

• Multimedia Processing Software

Name

• FFmpeg

Version

• 1.0
• 1.1
• 1.2
• 2.0

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Discussion