CVE-2023-36540 : What You Need to Know

A security vulnerability has been discovered in Zoom Desktop Client for Windows before version 5.14.5 that could allow an authenticated user to escalate privileges locally. This CVE has been published by Zoom with a high severity rating.

Understanding CVE-2023-36540

This section will delve into the details of CVE-2023-36540.

What is CVE-2023-36540?

The CVE-2023-36540 describes an untrusted search path vulnerability in the installer for Zoom Desktop Client for Windows. This flaw could be exploited by an authenticated user to gain escalated privileges via local access.

The Impact of CVE-2023-36540

The impact of this vulnerability is considered high with a base severity score of 7.3. An attacker could potentially leverage this flaw to manipulate configuration file search paths, posing a serious threat to the system's integrity.

Technical Details of CVE-2023-36540

Let's explore the technical aspects of CVE-2023-36540.

Vulnerability Description

The vulnerability arises from an untrusted search path in the installer for Zoom Desktop Client for Windows versions prior to 5.14.5. This weakness may be exploited by an authenticated user to carry out an escalation of privilege attack locally.

Affected Systems and Versions

Affected Platform: Windows
Affected Product: Zoom Desktop Client for Windows
Vulnerable Versions: Before 5.14.5

Exploitation Mechanism

The exploitation of this vulnerability involves an authenticated user manipulating the installer's search path to gain elevated privileges on the system.

Mitigation and Prevention

Here are the steps to mitigate and prevent the exploitation of CVE-2023-36540.

Immediate Steps to Take

Users should update Zoom Desktop Client for Windows to version 5.14.5 or later to eliminate this vulnerability.
Employ the principle of least privilege to restrict user permissions.

Long-Term Security Practices

Regularly apply security patches and updates for all software components.
Conduct security training for users to raise awareness about potential threats and best practices.

Patching and Updates

Ensure that all software, including Zoom Desktop Client, is regularly updated to mitigate known vulnerabilities and protect the system from exploitation.