CVE-2021-34414 : Exploit Details and Defense Strategies

Zoom on-premise Meeting Connector Controller, Zoom on-premise Meeting Connector MMR, Zoom on-premise Recording Connector, Zoom on-premise Virtual Room Connector, and Zoom on-premise Virtual Room Connector Load Balancer versions before specified versions are affected by a vulnerability allowing remote command injection. Here's what you need to know about CVE-2021-34414.

Understanding CVE-2021-34414

This section explains the nature of the CVE-2021-34414 vulnerability affecting Zoom on-premise solutions.

What is CVE-2021-34414?

The CVE-2021-34414 vulnerability arises from the failure to validate input on the network proxy page of Zoom on-premise solutions. This oversight may permit a web portal administrator to execute remote command injection on the on-premise image.

The Impact of CVE-2021-34414

The impact of CVE-2021-34414 includes the potential for malicious actors to gain unauthorized access to on-premise Zoom environments, compromising confidentiality, integrity, and availability.

Technical Details of CVE-2021-34414

This section delves into the technical aspects of CVE-2021-34414, covering the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability lies in the failure to properly validate input sent in requests to update the network proxy configuration on the respective Zoom on-premise solutions.

Affected Systems and Versions

Zoom on-premise Meeting Connector Controller, Zoom on-premise Meeting Connector MMR, Zoom on-premise Recording Connector, Zoom on-premise Virtual Room Connector, and Zoom on-premise Virtual Room Connector Load Balancer are affected before specific versions.

Exploitation Mechanism

Exploiting CVE-2021-34414 involves sending malicious input through requests to update the network proxy configuration, allowing an attacker to execute arbitrary commands remotely.

Mitigation and Prevention

In response to CVE-2021-34414, implementing immediate steps and adopting long-term security practices are essential to secure Zoom on-premise environments.

Immediate Steps to Take

Update Zoom on-premise Meeting Connector Controller, Zoom on-premise Meeting Connector MMR, Zoom on-premise Recording Connector, Zoom on-premise Virtual Room Connector, and Zoom on-premise Virtual Room Connector Load Balancer to the patched versions.
Monitor network activity for suspicious behavior.

Long-Term Security Practices

Conduct regular security assessments and audits of on-premise solutions.
Educate administrators on secure configuration practices and threat awareness.

Patching and Updates

Regularly check for security updates and patches from Zoom to address vulnerabilities like CVE-2021-34414.