CVE-2021-27260 : What You Need to Know

This article provides detailed information about CVE-2021-27260, a vulnerability that allows local attackers to disclose sensitive information in Parallels Desktop 16.0.1-48919.

Understanding CVE-2021-27260

This section delves into the nature of the vulnerability and its potential impact.

What is CVE-2021-27260?

CVE-2021-27260 is a security flaw in Parallels Desktop 16.0.1-48919 that enables local attackers to expose sensitive data. Attackers must be able to run high-privileged code on the target to exploit this flaw.

The Impact of CVE-2021-27260

The vulnerability in the Toolgate component lacks proper validation of user-supplied data, leading to a buffer overflow. This allows attackers to read beyond the allocated buffer and potentially escalate privileges or execute arbitrary code in the hypervisor context.

Technical Details of CVE-2021-27260

This section provides more technical insights into the vulnerability.

Vulnerability Description

CVE-2021-27260 is categorized as CWE-125: Out-of-bounds Read. The flaw allows attackers to access sensitive information by overflowing the allocated buffer.

Affected Systems and Versions

The vulnerability affects Parallels Desktop version 16.0.1-48919.

Exploitation Mechanism

To exploit CVE-2021-27260, attackers need to execute high-privileged code on the target guest system.

Mitigation and Prevention

This section offers guidance on mitigating the risks associated with CVE-2021-27260.

Immediate Steps to Take

Users are advised to update Parallels Desktop to a patched version to address the vulnerability.

Long-Term Security Practices

Implementing strong access controls and regularly monitoring for security updates can help prevent similar vulnerabilities.

Patching and Updates

Ensure that Parallels Desktop is regularly updated to the latest version to mitigate known security risks.