Denial of service in VideoLAN dav1d

1) Race condition

EUVDB-ID: #VU79791

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-32570

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a race condition in thread_task.c, related to dav1d_decode_frame_exit(). A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

dav1d: 0.1.0 - 1.1.0

External links

http://code.videolan.org/videolan/dav1d/-/tags/1.2.0
http://code.videolan.org/videolan/dav1d/-/commit/cf617fdae0b9bfabd27282854c8e81450d955efa
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LXZ6CUNJFDJLCFOZHY2TIGMCAEITLCRP/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3WGSO7UMOF4MVLQ5H6KIV7OG6ONS377B/

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.