#VU43696 Heap-based buffer overflow in FFmpeg - CVE-2012-0847

Vulnerability identifier: #VU43696

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2012-0847

CWE-ID: CWE-122

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 attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in Heap-based buffer overflow in the avfilter_filter_samples function in libavfilter/avfilter.c in FFmpeg before 0.9.1. A remote attacker can use a crafted media file. to trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

FFmpeg: 0.7.1 - 0.8.11

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External links
https://ffmpeg.org/security.html
https://git.videolan.org/?p=ffmpeg.git;a=commit;h=ae21776207e8a2bbe268e7c9e203f7599dd87ddb
https://www.openwall.com/lists/oss-security/2012/02/01/11
https://www.openwall.com/lists/oss-security/2012/02/14/4

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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.