Vulnerability identifier: #VU17420
Vulnerability risk: Low
CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-129
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 improper validation of an array index by the libavcodec/cbs_av1.c source code file. A remote attacker can trick the victim into accessing an AOMedia Video 1 (AV1) file that submits malicious input and cause the service to crash.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
FFmpeg: 4.1
External links
http://github.com/FFmpeg/FFmpeg/commit/b97a4b658814b2de8b9f2a3bce491c002d34de31#diff-cd7e24986650014d67f484f3ffceef3f
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. However, proof of concept for this vulnerability is available.