Vulnerability identifier: #VU42338

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2013-4265

CWE-ID: CWE-476

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 attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in libavutil/mem.c in FFmpeg before 2.0.1 has an unspecified impact and remote vectors related to a "wrong return code" and a resultant NULL pointer dereference. http://cwe.mitre.org/data/definitions/476. A remote attacker can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

FFmpeg: 0.3 - 1.2.1

---

External links
http://www.ffmpeg.org/security.html
http://www.openwall.com/lists/oss-security/2013/08/21/11
http://github.com/FFmpeg/FFmpeg/commit/c94f9e854228e0ea00e1de8769d8d3f7cab84a55
http://security.gentoo.org/glsa/201603-06

---

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.