#VU43705 Resource management error in FFmpeg and Libav - CVE-2012-0858

Vulnerability identifier: #VU43705

Vulnerability risk: Medium

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2012-0858

CWE-ID: CWE-399

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
FFmpeg
Universal components / Libraries / Libraries used by multiple products
Libav
Client/Desktop applications / Multimedia software

Vendor: ffmpeg.sourceforge.net
Libav

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

The Shorten codec (shorten.c) in libavcodec in FFmpeg 0.7.x before 0.7.12 and 0.8.x before 0.8.11, and in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.5, and 0.8.x before 0.8.1, allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a crafted Shorten file, related to an "invalid free".

Mitigation
Install update from vendor's website.

Vulnerable software versions

FFmpeg: 0.7.1 - 0.8.10

Libav: 0.5 - 0.8.10

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External links
https://ffmpeg.org/
https://git.libav.org/?p=libav.git;a=commitdiff;h=204cb29b3c84a74cbcd059d353c70c8bdc567d98
https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=204cb29b3c84a74cbcd059d353c70c8bdc567d98
https://libav.org/
https://www.openwall.com/lists/oss-security/2012/02/14/4
https://www.ubuntu.com/usn/USN-1479-1

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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.