Vulnerability identifier: #VU40567

Vulnerability risk: High

CVSSv3.1: 7.2 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2015-8663

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 read and manipulate data.

The ff_get_buffer function in libavcodec/utils.c in FFmpeg before 2.8.4 preserves width and height values after a failure, which allows remote attackers to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact via a crafted .mov file.

Mitigation
Install update from vendor's website.

Vulnerable software versions

FFmpeg: 2.8.3

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External links
http://git.videolan.org/?p=ffmpeg.git;a=commit;h=abee0a1c60612e8638640a8a3738fffb65e16dbf
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00004.html
http://www.securitytracker.com/id/1034539
http://lists.debian.org/debian-lts-announce/2018/12/msg00009.html

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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.