#VU42283 Buffer overflow in FFmpeg - CVE-2013-0848

Vulnerability identifier: #VU42283

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2013-0848

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 execute arbitrary code.

The decode_init function in libavcodec/huffyuv.c in FFmpeg before 1.1 allows remote attackers to have an unspecified impact via a crafted width in huffyuv data with the predictor set to median and the colorspace set to YUV422P, which triggers an out-of-bounds array access.

Mitigation
Install update from vendor's website.

Vulnerable software versions

FFmpeg: 0.3 - 0.11

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External links
https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=6abb9a901fca27da14d4fffbb01948288b5da3ba
https://www.ffmpeg.org/security.html
https://www.mandriva.com/security/advisories?name=MDVSA-2014:227

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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.