Zero Day Initiative AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Zero Day Initiative CWE-367

Parallels Desktop Updater Time-Of-Check Time-Of-Use Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop. 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 Updater 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. Was ZDI-CAN-18150.

Zero Day Initiative https://kb.parallels.com/125013 [No types assigned]

Zero Day Initiative https://www.zerodayinitiative.com/advisories/ZDI-23-217/ [No types assigned]