Untrusted Pointer Dereference in VLC Media Player - CVE-2021-25804

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU49891

Untrusted Pointer Dereference in VLC Media Player - CVE-2021-25804

Published: January 21, 2021 / Updated: June 20, 2022


Vulnerability identifier: #VU49891
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-25804
CWE-ID: CWE-822
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to untrusted pointer dereference. A remote authenticated attacker can create a specially crafted file, trick the victim into opening it and cause a denial of service condition on the system.


Affected software

VLC Media Player
vlc (Debian package)
vlc (Ubuntu package)
vlc-plugin-access-extra (Ubuntu package)
Ubuntu

How to mitigate CVE-2021-25804

Install updates from vendor's website.

VLC Media Player - update to 3.0.12
vlc (Debian package) - update to 3.0.12-0+deb10u1
vlc (Ubuntu package) - addressed in versions Ubuntu Pro, 3.0.17.4-5ubuntu0.1
vlc-plugin-access-extra (Ubuntu package) - addressed in versions Ubuntu Pro, 3.0.17.4-5ubuntu0.1

External References

Related Security Bulletins