CVE-2023-27328

Parallels Desktop Toolgate XML Injection Local Privilege Escalation Vulnerability

Description

Parallels Desktop Toolgate XML Injection 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 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 a user-supplied string before using it to construct an XML document. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the hypervisor. Was ZDI-CAN-19187.

Category

7.8
CVSS
Severity: High
CVSS 3.0 •
EPSS 0.13%
Vendor Advisory parallels.com
Affected: Parallels Desktop
Published at:
Updated at:

References

Link Tags
https://www.zerodayinitiative.com/advisories/ZDI-23-220/ third party advisory
https://kb.parallels.com/125013 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-27328?
CVE-2023-27328 has been scored as a high severity vulnerability.
How to fix CVE-2023-27328?
To fix CVE-2023-27328, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-27328 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-27328 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-27328?
CVE-2023-27328 affects Parallels Desktop.
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