CVE-2022-28756 Explained : Impact and Mitigation

Zoom Client for Meetings for MacOS is affected by a vulnerability that allows local low-privileged users to escalate their privileges to root. The vulnerability lies in the auto update process from version 5.7.3 to 5.11.5.

Understanding CVE-2022-28756

This CVE details a local privilege escalation issue in the auto updater for Zoom Client for Meetings for macOS.

What is CVE-2022-28756?

The vulnerability in the auto update process of Zoom Client for Meetings for macOS versions 5.7.3 to 5.11.5 allows local low-privileged users to elevate their privileges to root level.

The Impact of CVE-2022-28756

The vulnerability poses a high impact with a CVSS base score of 8.8. It affects confidentiality, integrity, and availability, with a low level of privileges required for exploitation.

Technical Details of CVE-2022-28756

This section outlines the technical aspects of the CVE.

Vulnerability Description

The vulnerability allows local low-privileged users to escalate their privileges to root by exploiting the auto update process in Zoom Client for Meetings for MacOS.

Affected Systems and Versions

Zoom Client for Meetings for MacOS versions including 5.7.3 up to but not including 5.11.5 are affected by this vulnerability.

Exploitation Mechanism

The vulnerability can be exploited by a local user with low privileges, leveraging the flaw in the auto update mechanism to gain root access.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2022-28756.

Immediate Steps to Take

Users are advised to update Zoom Client for Meetings for MacOS to version 5.11.5 or later to mitigate the vulnerability. Additionally, monitor for any unauthorized escalation attempts.

Long-Term Security Practices

Implementing the principle of least privilege and regularly updating software can help prevent similar vulnerabilities in the future.

Patching and Updates

Stay informed about security updates from Zoom Video Communications Inc by regularly checking the security bulletins.