Resource management error in ffmpeg.sourceforge.net FFmpeg

1) Resource management error

EUVDB-ID: #VU32840

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: cve-2011-3973

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

cavsdec.c in libavcodec in FFmpeg before 0.7.4 and 0.8.x before 0.8.3 allows remote attackers to cause a denial of service (incorrect write operation and application crash) via an invalid bitstream in a Chinese AVS video (aka CAVS) file, related to the decode_residual_block, check_for_slice, and cavs_decode_frame functions, a different vulnerability than CVE-2011-3362.

Mitigation

Install update from vendor's website.

Vulnerable software versions

FFmpeg: 0.7.0 - 0.7.3

CPE2.3

• cpe:2.3:a:ffmpeg_sourceforge_net:ffmpeg:0.7.0:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg_sourceforge_net:ffmpeg:0.7.1:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg_sourceforge_net:ffmpeg:0.7.2:*:*:*:*:*:*:*

External links

http://git.videolan.org/?p=ffmpeg.git;a=commit;h=bd968d260aef322fb32e254a3de0d2036c57bd56
http://www.ffmpeg.org/releases/ffmpeg-0.7.5.changelog
http://www.ffmpeg.org/releases/ffmpeg-0.8.4.changelog
http://www.mandriva.com/security/advisories?name=MDVSA-2012:074
http://www.mandriva.com/security/advisories?name=MDVSA-2012:075
http://www.mandriva.com/security/advisories?name=MDVSA-2012:076

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.