FFmpeg 1.2.1 libavcodec/aic.c aic_decode_coeffs privileges management

Summaryinfo

A vulnerability was found in FFmpeg 1.2.1. It has been classified as problematic. Affected by this issue is the function aic_decode_coeffs of the file libavcodec/aic.c. This manipulation causes privileges management. No exploit is available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability has been found in FFmpeg 1.2.1 (Multimedia Processing Software) and classified as critical. Affected by this vulnerability is the function aic_decode_coeffs of the file libavcodec/aic.c. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, and integrity.

The issue has been introduced in 05/10/2013. The weakness was published 05/22/2013 by Mateusz Jurczyk and Gynvael Coldwind with Google Security Team as avcodec/aic: Fix vlc value checks as confirmed git commit (GIT Repository). It is possible to read the advisory at git.videolan.org. The public release has been coordinated with the project team. 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 attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 12 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. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at OSVDB (94272†). Similar entries are available at VDB-9179, VDB-9178, VDB-9177 and VDB-9176. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Multimedia Processing Software

Name

• FFmpeg

Version

• 1.2.1

License

• open-source

Website

• Product: https://ffmpeg.org/

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• 🔍

CPE 2.2info

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Be aware that VulDB is the high quality source for vulnerability data.

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