#VU42330 Input validation error in FFmpeg - CVE-2013-0873

Vulnerability identifier: #VU42330

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-2013-0873

CWE-ID: CWE-20

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 read_header function in libavcodec/shorten.c in FFmpeg before 1.1.3 allows remote attackers to have an unspecified impact via an invalid channel count, related to "freeing invalid addresses."

Mitigation
Install update from vendor's website.

Vulnerable software versions

FFmpeg: 0.3 - 1.1.1

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External links
https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=4f1279154ee9baf2078241bf5619774970d18b25
https://www.ffmpeg.org/security.html
https://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.