CVE-2021-31419 : Exploit Details and Defense Strategies

This CVE-2021-31419 article provides an overview of a vulnerability in Parallels Desktop version 15.1.4-47270, allowing local attackers to disclose sensitive information and escalate privileges.

Understanding CVE-2021-31419

This section delves into the specifics of CVE-2021-31419, including its impact, affected systems, and exploitation mechanism.

What is CVE-2021-31419?

CVE-2021-31419 is a vulnerability in Parallels Desktop 15.1.4-47270 that enables local attackers to access sensitive data by exploiting a flaw in the Toolgate component.

The Impact of CVE-2021-31419

The vulnerability's impact is rated as MEDIUM severity, with a CVSS base score of 6.5. It allows attackers to read confidential information with low privileges, potentially leading to privilege escalation.

Technical Details of CVE-2021-31419

This section provides a detailed analysis of the vulnerability, outlining its description, affected systems, and exploitation method.

Vulnerability Description

The vulnerability stems from the lack of proper memory initialization, enabling attackers to access sensitive information and execute arbitrary code within the hypervisor context.

Affected Systems and Versions

Parallels Desktop version 15.1.4-47270 is affected by this vulnerability, putting installations of the software at risk.

Exploitation Mechanism

To exploit CVE-2021-31419, attackers must first execute low-privileged code on the target guest system. By leveraging the memory initialization flaw in Toolgate, they can escalate privileges and execute arbitrary code.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-31419, users are advised to take immediate steps and adopt long-term security practices.

Immediate Steps to Take

Users should update Parallels Desktop to the latest version, apply patches, and restrict access to vulnerable systems.

Long-Term Security Practices

Implementing least privilege access, regular security audits, and monitoring for unusual activities can enhance overall system security.

Patching and Updates

Regularly installing security patches and updates from Parallels can help prevent exploitation of known vulnerabilities.