CVE-2020-8872 : Vulnerability Insights and Analysis

This vulnerability allows local attackers to disclose sensitive information on affected installations of Parallels Desktop 15.1.1-47117. An attacker must first obtain the ability to execute high-privileged code on the target guest system to exploit this flaw within the xHCI component.

Understanding CVE-2020-8872

This CVE-2020-8872 vulnerability affects Parallels Desktop version 15.1.1-47117.

What is CVE-2020-8872?

CVE-2020-8872 is a vulnerability that enables local attackers to reveal sensitive data on Parallels Desktop installations. The flaw arises from inadequate validation of user-supplied data within the xHCI component, leading to a potential buffer read overrun.

The Impact of CVE-2020-8872

The impact of this vulnerability is rated as medium severity with a CVSS base score of 6. It poses a high risk to confidentiality as attackers can access sensitive information.

Technical Details of CVE-2020-8872

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability in Parallels Desktop 15.1.1-47117 allows attackers to read sensitive information due to improper data validation within the xHCI component.

Affected Systems and Versions

Product: Desktop
Vendor: Parallels
Version: 15.1.1-47117

Exploitation Mechanism

To exploit this vulnerability, attackers need to execute high-privileged code on the target guest system. The flaw allows them to read beyond the allocated buffer, potentially leading to code execution within the hypervisor context.

Mitigation and Prevention

Protecting systems from CVE-2020-8872 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by Parallels promptly.
Monitor for any suspicious activities on the system.

Long-Term Security Practices

Regularly update Parallels Desktop to the latest version.
Implement least privilege access controls to limit the impact of potential attacks.
Conduct regular security assessments to identify and address vulnerabilities.

Patching and Updates

Ensure that all security patches and updates released by Parallels are applied to mitigate the risk of exploitation.