ZDI-CAN-16134: Parallels Access Agent Time-Of-Check Time-Of-Use Local Privilege Escalation Vulnerability

This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Access Agent. An attacker must first obtain the ability to execute low-privileged code on the target host system in order to exploit this vulnerability. The specific flaw exists within the Parallels service. By creating a symbolic link, an attacker can abuse the service to execute a file. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root.