#VU32154 Resource management error in FFmpeg - CVE-2016-7122

Vulnerability identifier: #VU32154

Vulnerability risk: Low

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

CVE-ID: CVE-2016-7122

CWE-ID: CWE-399

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 perform a denial of service (DoS) attack.

The avi_read_nikon function in libavformat/avidec.c in FFmpeg before 3.1.4 is vulnerable to infinite loop when it decodes an AVI file that has a crafted 'nctg' structure.

Mitigation
Install update from vendor's website.

Vulnerable software versions

FFmpeg: 3.1.0 - 3.1.3

---

External links
https://www.openwall.com/lists/oss-security/2016/10/08/1
https://www.securityfocus.com/bid/94839
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.