CVE-2021-31417: Parallels Desktop Toolgate Uninitialized Memory Information Disclosure Vulnerability
This vulnerability allows local attackers to disclose sensitive information on affected installations of Parallels Desktop 15.1.4-47270. 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 initialization of memory prior to accessing it. 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-12131.
Other sources
This vulnerability allows local attackers to disclose sensitive information 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 initialization of memory prior to accessing it. An attacker can leverage this in conjunction with other vulnerabilities to escalate privileges and execute arbitrary code in the context of the hypervisor.
Affected Software
Event History
Frequently Asked Questions
What is the vulnerability ID for this Parallels Desktop vulnerability?
The vulnerability ID for this Parallels Desktop vulnerability is CVE-2021-31417.
What is the severity of CVE-2021-31417?
The severity of CVE-2021-31417 is medium.
How can local attackers exploit CVE-2021-31417?
Local attackers can exploit CVE-2021-31417 by obtaining the ability to execute low-privileged code on the target guest system.
Which version of Parallels Desktop is affected by CVE-2021-31417?
Parallels Desktop version 15.1.4-47270 is affected by CVE-2021-31417.
Are there any references available for CVE-2021-31417?
Yes, you can find references for CVE-2021-31417 at the following links: [1] https://kb.parallels.com/en/125013 [2] https://www.zerodayinitiative.com/advisories/ZDI-21-426/