CVE-2023-27327 Parallels Desktop Toolgate Time-Of-Check Time-Of-Use Local Privilege Escalation Vulnerability
Local attackers can escalate privileges and execute arbitrary code on the host system via a race condition in Parallels Desktop Toolgate.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-27327?
CVE-2023-27327 is a high-severity vulnerability in Parallels Parallels Desktop, published on 3 May 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Parallels Desktop Toolgate 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 high-privileged code on the target guest system in order to exploit this vulnerability.
The specific flaw exists within the Toolgate component. The issue results from the lack of proper locking when performing operations on an object. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the current user on the host system. Was ZDI-CAN-18964.
Weakness: CWE-367
Which versions are affected by CVE-2023-27327?
It affects 1 product.
Products include Parallels Parallels Desktop.
How do I fix CVE-2023-27327?
No fix has been published for CVE-2023-27327 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-27327 being exploited?
There is no known exploitation of CVE-2023-27327 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Parallels Parallels Desktop
Sources
Also known as GHSA-7qrf-mvgv-r448.