ZDI-CAN-23731: ZDI-24-1005: (0Day) Avast Free Antivirus AvastSvc Link Following Local Privilege Escalation Vulnerability

First published: Mon Jul 29 2024(Updated: )

This vulnerability allows local attackers to escalate privileges on affected installations of Avast Free Antivirus. 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 Avast Service. By creating a symbolic link, an attacker can abuse the service to delete a folder. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.

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