#VU32157 Buffer overflow in FFmpeg - CVE-2016-2328

Vulnerability identifier: #VU32157

Vulnerability risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2016-2328

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.

libswscale/swscale_unscaled.c in FFmpeg before 2.8.6 does not validate certain height values, which allows remote attackers to cause a denial of service (out-of-bounds array read access) or possibly have unspecified other impact via a crafted .cine file, related to the bayer_to_rgb24_wrapper and bayer_to_yv12_wrapper functions.

Mitigation
Install update from vendor's website.

Vulnerable software versions

FFmpeg: 2.8.0 - 2.8.5

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External links
https://git.videolan.org/?p=ffmpeg.git;a=commit;h=757248ea3cd917a7755cb15f817a9b1f15578718
https://git.videolan.org/?p=ffmpeg.git;a=commit;h=ad3b6fa7d83db7de951ed891649af93a47e74be5
https://www.securitytracker.com/id/1035010
https://security.gentoo.org/glsa/201606-09

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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.