81062 : FFmpeg libswscale/utils.c sws_init_context() Function Scale Data Decoding Remote Overflow
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
8	644	about 1 year ago	about 1 year ago	3 times	100%

Timeline

Disclosure Date
2012-03-27

Description

FFmpeg is prone to an overflow condition. The sws_init_context() function in libswscale/utils.c fails to properly sanitize user-supplied input resulting in an integer overflow. The program does not properly decode certain scale data, allowing a remote attacker to potentially execute arbitrary code.

Classification

Location: Remote / Network Access
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Upgrade
Exploit: Exploit Unknown
Disclosure: Vendor Verified

Solution

Upgrade to version 0.10.1 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

FFmpeg Project

FFmpeg

0.10

References

Secunia Advisory ID: 48770
Related OSVDB ID: 81060 81061
Vendor Specific News/Changelog Entry: http://ffmpeg.org/index.html#pr0101

Credit

CVSSv2 Score

NVD does not currently have a CVSSv2 score assigned.

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