What is the severity of CVE-2021-31418?

The severity of CVE-2021-31418 is medium with a CVSS score of 6.5.

How does CVE-2021-31418 work?

CVE-2021-31418 allows an attacker to disclose sensitive information on the target guest system by exploiting an uninitialized memory flaw in Parallels Desktop 15.1.4-47270.

What is the affected software?

The affected software is Parallels Desktop 15.1.4-47270.

How can CVE-2021-31418 be fixed?

To fix CVE-2021-31418, users should update Parallels Desktop to a patched version as recommended by the vendor.

Vulnerability/
CVE-2021-31418

medium

6.5

CWE

908

29/4/2021

6/5/2021

21/10/2023

CVE-2021-31418: Parallels Desktop Toolgate Uninitialized Memory Information Disclosure Vulnerability

First published: Thu Apr 29 2021(Updated: )

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.

Credit: zdi-disclosures@trendmicro.com

Affected Software	Affected Version	How to fix
Parallels Desktop
Parallels Parallels Desktop	=15.1.4-47270

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Reference Links

Frequently Asked Questions

What is CVE-2021-31418?
CVE-2021-31418 is a vulnerability that allows local attackers to disclose sensitive information on affected installations of Parallels Desktop 15.1.4-47270.
What is the severity of CVE-2021-31418?
The severity of CVE-2021-31418 is medium with a CVSS score of 6.5.
How does CVE-2021-31418 work?
CVE-2021-31418 allows an attacker to disclose sensitive information on the target guest system by exploiting an uninitialized memory flaw in Parallels Desktop 15.1.4-47270.
What is the affected software?
The affected software is Parallels Desktop 15.1.4-47270.
How can CVE-2021-31418 be fixed?
To fix CVE-2021-31418, users should update Parallels Desktop to a patched version as recommended by the vendor.

collector/zdi-advisory
alias/ZDI-21-429
alias/ZDI-CAN-12221
alias/CVE-2021-31418
collector/nvd-index
vendor/parallels
canonical/parallels desktop
canonical/parallels parallels desktop
version/parallels parallels desktop/15.1.4-47270

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