CVE-2021-27244 : Exploit Details and Defense Strategies

This CVE-2021-27244 affects Parallels Desktop version 16.0.1-48919, allowing local attackers to disclose sensitive information. The vulnerability stems from a lack of validation in the Toolgate component, potentially leading to privilege escalation.

Understanding CVE-2021-27244

This section delves into the impact, technical details, and mitigation strategies related to CVE-2021-27244.

What is CVE-2021-27244?

CVE-2021-27244 is a vulnerability in Parallels Desktop 16.0.1-48919 that enables local attackers to access sensitive data by exploiting a flaw in the Toolgate component.

The Impact of CVE-2021-27244

The vulnerability poses a medium-severity risk with a CVSS base score of 6.5, allowing attackers to escalate privileges and execute arbitrary code in the hypervisor's context.

Technical Details of CVE-2021-27244

Learn about the specifics of the vulnerability, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The flaw arises from inadequate validation of user-supplied data, leading to a read past the end of an allocated buffer.

Affected Systems and Versions

Parallels Desktop 16.0.1-48919 is the specific version impacted by this vulnerability.

Exploitation Mechanism

Attackers must execute low-privileged code on the target guest system to exploit this vulnerability.

Mitigation and Prevention

Discover the immediate steps to take and long-term security practices to mitigate the risks associated with CVE-2021-27244.

Immediate Steps to Take

Users should apply patches promptly, monitor for unusual activities, and restrict access to vulnerable systems.

Long-Term Security Practices

Implement security best practices, conduct regular security audits, and educate users on safe computing habits.

Patching and Updates

Stay informed about security updates from Parallels, and apply patches as soon as they are released to address CVE-2021-27244.