CVE-2021-27260 Information disclosure in Desktop

Low 3.2 Published Updated

Local attackers with high privileges can disclose sensitive information via a buffer over-read in Parallels Desktop, potentially aiding privilege escalation.

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-2021-27260?

CVE-2021-27260 is a low-severity vulnerability in Parallels Parallels Desktop, published on 14 Apr 2021. 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 16.0.1-48919. 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 validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to escalate privileges and execute arbitrary code in the context of the hypervisor. Was ZDI-CAN-12068.

Weakness: CWE-125

Which versions are affected by CVE-2021-27260?

It affects 1 product.

Products include Parallels Parallels Desktop.

How do I fix CVE-2021-27260?

No fix has been published for CVE-2021-27260 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-27260 being exploited?

There is no known exploitation of CVE-2021-27260 in the wild and no public exploit code.

All Parallels Parallels Desktop vulnerabilities

Sources

Also known as GHSA-m4vc-7qww-wjv6.

Is CVE-2021-27260 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free