Vulnerability identifier: #VU43689

Vulnerability risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2012-0856

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 MPV_frame_start function in libavcodec/mpegvideo.c in FFmpeg before 0.9.1, when the lowres option is enabled,. A remote attacker can use a crafted H263 media file. NOTE 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: 0.3 - 0.8.11

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External links
http://ffmpeg.org/security.html
http://ffmpeg.org/trac/ffmpeg/ticket/757
http://git.videolan.org/?p=ffmpeg.git;a=commit;h=21270cffaeab2f67a613907516b2b0cd6c9eacf4
http://www.openwall.com/lists/oss-security/2012/02/01/11
http://www.openwall.com/lists/oss-security/2012/02/14/4
http://exchange.xforce.ibmcloud.com/vulnerabilities/78928

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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.