Summaryinfo

A vulnerability was found in FFmpeg 2.0. It has been rated as critical. The affected element is the function smacker_read_packet of the file libavformat/smacker.c of the component Frame Size Handler. Performing a manipulation results in integer coercion. There is no exploit available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability classified as very critical has been found in FFmpeg 2.0 (Multimedia Processing Software). This affects the function smacker_read_packet of the file libavformat/smacker.c of the component Frame Size Handler. The manipulation with an unknown input leads to a integer coercion vulnerability. CWE is classifying the issue as CWE-192. Integer coercion refers to a set of flaws pertaining to the type casting, extension, or truncation of primitive data types. This is going to have an impact on confidentiality, integrity, and availability.

The issue has been introduced in 07/11/2013. The weakness was shared 09/11/2013 by Mateusz Jurczyk and Gynvael Coldwind with Google Security Team as smacker: Avoid integer overflow when allocating packets as confirmed git commit (GIT Repository). The advisory is shared at git.libav.org. The vendor cooperated in the coordination of the public release. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/15/2019).

The vulnerability was handled as a non-public zero-day exploit for at least 62 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.libav.org. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at OSVDB (97313†) and Secunia (SA54857†). The entries VDB-10267, VDB-10268, VDB-10271 and VDB-10272 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

• FFmpeg 2.0
• Libav 9.9

Productinfo

Type

• Multimedia Processing Software

Name

• FFmpeg

Version

• 2.0

License

• open-source

Website

• Product: https://ffmpeg.org/

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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