CVE-2022-34890 : What You Need to Know

A vulnerability in Parallels Desktop 17.1.1 (51537) could allow local attackers to access sensitive information and potentially execute arbitrary code in the context of the kernel.

Understanding CVE-2022-34890

This CVE details a flaw within the Parallels Tools component, affecting installations of Parallels Desktop 17.1.1 (51537).

What is CVE-2022-34890?

The vulnerability enables local attackers to reveal sensitive data on impacted Parallels Desktop systems. To exploit it, the attacker needs to execute low-privileged code on the guest system.

The Impact of CVE-2022-34890

The vulnerability has a CVSS base score of 7.3, categorizing it as high severity with a high impact on confidentiality. Attack complexity is low, with attackers requiring low privileges.

Technical Details of CVE-2022-34890

Vulnerability Description

The flaw stems from inadequate validation of user-supplied values before dereferencing as pointers, leading to potential privilege escalation and execution of arbitrary code in the kernel's context.

Affected Systems and Versions

Desktop version 17.1.1 (build 51537) by Parallels is susceptible to this vulnerability.

Exploitation Mechanism

Local attackers must initially execute low-privileged code on the target system before exploiting the vulnerability, showcasing the importance of preventing unauthorized system access.

Mitigation and Prevention

Immediate Steps to Take

Users are advised to apply relevant patches or updates provided by Parallels to address this vulnerability promptly.

Long-Term Security Practices

Practicing the principle of least privilege and ensuring regular security updates can help mitigate the risks associated with such vulnerabilities.

Patching and Updates

Regularly checking for and applying the latest security patches and updates from Parallels is crucial in maintaining a secure system.