#VU43658 Heap-based buffer overflow in FFmpeg - CVE-2012-0855

Vulnerability identifier: #VU43658

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-2012-0855

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 get_sot function in the J2K decoder (j2k.c) in libavcodec in FFmpeg before 0.9.1. A remote attacker can use unspecified vectors related to the curtileno variable. 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
https://ffmpeg.org/security.html
https://git.videolan.org/?p=ffmpeg.git;a=commit;h=3eedf9f716733b3b4c5205726d2c1ca52b3d3d78
https://www.openwall.com/lists/oss-security/2012/02/01/11
https://www.openwall.com/lists/oss-security/2012/02/14/4
https://exchange.xforce.ibmcloud.com/vulnerabilities/78929

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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.