CVE-2021-31431 Explained : Impact and Mitigation

This CVE-2021-31431 affects Parallels Desktop 15.1.5-47309, allowing local attackers to disclose sensitive information. The vulnerability requires the ability to run high-privileged code on the target guest system.

Understanding CVE-2021-31431

This vulnerability in Parallels Desktop 15.1.5-47309 enables local attackers to access sensitive data through high-privileged code execution.

What is CVE-2021-31431?

CVE-2021-31431 involves an issue within the IDE virtual device of Parallels Desktop 15.1.5-47309, where a lack of validation of user-supplied data leads to a buffer overflow.

The Impact of CVE-2021-31431

The vulnerability's impact is rated with a CVSS base score of 6, indicating a medium severity issue with high confidentiality impact and the potential for privilege escalation.

Technical Details of CVE-2021-31431

This section covers the specific details related to the vulnerability in Parallels Desktop 15.1.5-47309.

Vulnerability Description

The flaw lies in the improper validation of user-supplied data, resulting in a buffer overflow allowing attackers to read beyond allocated memory.

Affected Systems and Versions

Parallels Desktop version 15.1.5-47309 is affected by this vulnerability.

Exploitation Mechanism

Attackers need to execute high-privileged code on the target guest system to exploit this vulnerability.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-31431, users should take immediate steps and adopt long-term security practices.

Immediate Steps to Take

Users should update Parallels Desktop to the latest version and avoid executing suspicious code or files.

Long-Term Security Practices

Implementing least privilege access, network segmentation, and regular security updates can enhance overall system security.

Patching and Updates

Regularly check for security patches and updates for Parallels Desktop to address known vulnerabilities effectively.