Information disclosure in ffmpeg.sourceforge.net FFmpeg

1) Information disclosure

EUVDB-ID: #VU32161

Risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2016-7555

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

The vulnerability allows a local non-authenticated attacker to gain access to sensitive information.

The avi_read_header function in libavformat/avidec.c in FFmpeg before 3.1.4 is vulnerable to memory leak when decoding an AVI file that has a crafted "strh" structure.

Mitigation

Install update from vendor's website.

Vulnerable software versions

FFmpeg: 3.1.0 - 3.1.3

CPE2.3

• cpe:2.3:a:ffmpeg_sourceforge_net:ffmpeg:3.1.0:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg_sourceforge_net:ffmpeg:3.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg_sourceforge_net:ffmpeg:3.1.2:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg_sourceforge_net:ffmpeg:3.1.3:*:*:*:*:*:*:*

External links

https://www.openwall.com/lists/oss-security/2016/10/08/1
https://www.securityfocus.com/bid/94838
https://security.gentoo.org/glsa/201701-71

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.