Vulnerability identifier: #VU42318

Vulnerability risk: Medium

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

CVE-ID: CVE-2013-0861

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
FFmpeg
Universal components / Libraries / Libraries used by multiple products

Vendor: ffmpeg.sourceforge.net

Description

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

The avcodec_decode_audio4 function in libavcodec/utils.c in FFmpeg before 1.0.4 and 1.1.x before 1.1.1 allows remote attackers to trigger memory corruption via vectors related to the channel layout.

Mitigation
Install update from vendor's website.

Vulnerable software versions

FFmpeg: 0.3 - 1.1

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External links
http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=43c6b45a53a186a187f7266e4d6bd3c2620519f1
http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=4cd1dad91ae97fe1f0dd534c3f5566787566f137
http://www.ffmpeg.org/security.html
http://security.gentoo.org/glsa/201603-06

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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.