Advisory Details

This vulnerability allows local attackers to create a denial-of-service condition on affected installations of AVG AntiVirus Free. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The specific flaw exists within the AVG Installer. By creating a symbolic link, an attacker can abuse the update functionality to create a file. An attacker can leverage this vulnerability to create a persistent denial-of-service condition on the system.

Fixed in Feb 24 Firmware Version 24.Xx

• 2024-02-22 - Vulnerability reported to vendor
• 2024-07-29 - Coordinated public release of advisory
• 2024-08-15 - Advisory Updated