#VU32161 Information disclosure in FFmpeg - CVE-2016-7555

Vulnerability identifier: #VU32161

Vulnerability 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

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
FFmpeg
Universal components / Libraries / Libraries used by multiple products

Vendor: ffmpeg.sourceforge.net

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

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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

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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.