A vulnerability was found in FFmpeg 2.0. It has been declared as problematic. Affected by this vulnerability is the function decode_frame
of the file libavcodec/ansi.c. The manipulation leads to integer coercion error. The CWE definition for the vulnerability is CWE-192. 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 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. Technical details are available. There is no exploit available. The pricing for an exploit might be around USD $0-$5k at the moment.
The vulnerability was handled as a non-public zero-day exploit for at least 220 days. We expect the 0-day to have been worth approximately $0-$5k.
The bugfix is ready for download at git.videolan.org. It is recommended to apply a patch to fix this issue. A possible mitigation has been published even before and not after the disclosure of the vulnerability.
The vulnerability is also documented other vulnerability databases: SecurityFocus (BID 65671), X-Force (91256) and Secunia (SA57066).
Timeline
The analysis of the timeline helps to identify the required approach and handling of single vulnerabilities and vulnerability collections. This overview makes it possible to see less important slices and more severe hotspots at a glance. Initiating immediate vulnerability response and prioritizing of issues is possible.
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