CVE-2023-28598 : Security Advisory and Response

This CVE record pertains to an HTML injection vulnerability identified in Zoom for Linux clients prior to version 5.13.10. Exploiting this vulnerability could lead to a Zoom application crash if a victim initiates a chat with a malicious user.

Understanding CVE-2023-28598

This section provides an overview of the nature of the CVE-2023-28598 vulnerability and its potential impact.

What is CVE-2023-28598?

CVE-2023-28598 is an HTML injection vulnerability found in Zoom for Linux clients preceding version 5.13.10. The flaw allows a malicious user to inject HTML code into Zoom chats, ultimately causing a crash in the Zoom application.

The Impact of CVE-2023-28598

The impact of this vulnerability is classified under CAPEC-242: Code Injection. With a CVSSv3.1 base score of 7.5 (High), the availability impact is deemed significant, potentially leading to service disruptions and application crashes.

Technical Details of CVE-2023-28598

This section delves into the technical aspects of the CVE-2023-28598 vulnerability, including its description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability in Zoom for Linux clients allows for HTML injection, which enables attackers to manipulate the content displayed in Zoom chats, leading to application crashes.

Affected Systems and Versions

The HTML injection vulnerability affects Zoom for Linux clients versions prior to 5.13.10. Users utilizing versions earlier than this are at risk of exploitation.

Exploitation Mechanism

By engaging in a chat with a malicious user, unwitting victims can be targeted by the HTML injection vulnerability, triggering a crash in the Zoom application.

Mitigation and Prevention

In response to CVE-2023-28598, it is crucial to implement measures for immediate mitigation and establish long-term security practices to prevent such vulnerabilities from being exploited.

Immediate Steps to Take

Users of Zoom for Linux clients should update their software to version 5.13.10 or newer to mitigate the risk of HTML injection vulnerabilities and prevent potential application crashes.

Long-Term Security Practices

Maintaining an updated version of Zoom for Linux clients, practicing secure chatting habits, and staying informed about security bulletins from Zoom can bolster long-term security against similar vulnerabilities.

Patching and Updates

Regularly applying patches and updates released by Zoom for its Linux clients is essential to address known vulnerabilities promptly and enhance the overall security posture of the software.