CVE-2022-34890 Null dereference in Desktop
Local attackers can disclose sensitive information and potentially escalate privileges via a null pointer dereference in Parallels Tools.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-34890?
CVE-2022-34890 is a high-severity vulnerability in Parallels Parallels Desktop, published on 15 Jul 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
This vulnerability allows local attackers to disclose sensitive information on affected installations of Parallels Desktop 17.1.1 (51537). An attacker must first obtain the ability to execute low-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw exists within the Parallels Tools component. The issue results from the lack of proper validation of a user-supplied value prior to dereferencing it as a pointer. An attacker can leverage this in conjunction with other vulnerabilities to escalate privileges and execute arbitrary code in the context of the kernel. Was ZDI-CAN-16653.
Weakness: CWE-822
Which versions are affected by CVE-2022-34890?
It affects 1 product.
Products include Parallels Parallels Desktop.
How do I fix CVE-2022-34890?
No fix has been published for CVE-2022-34890 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-34890 being exploited?
There is no known exploitation of CVE-2022-34890 in the wild and no public exploit code.
Other vulnerabilities in Parallels Parallels Desktop
Sources
Also known as GHSA-85rc-78j2-fwqf.