CVE-2021-22910 : What You Need to Know

A sanitization vulnerability in Rocket.Chat server versions <3.13.2, <3.12.4, <3.11.4 allows queries that could lead to a NoSQL injection and potential RCE.

Understanding CVE-2021-22910

This CVE describes a sanitization vulnerability in Rocket.Chat server that could be exploited for a NoSQL injection attack.

What is CVE-2021-22910?

The CVE-2021-22910 vulnerability exists in Rocket.Chat server versions <3.13.2, <3.12.4, <3.11.4, enabling queries that might result in a NoSQL injection, potentially leading to Remote Code Execution (RCE).

The Impact of CVE-2021-22910

Exploitation of this vulnerability can allow an attacker to execute arbitrary code on the vulnerable system, compromising data integrity, confidentiality, and system availability.

Technical Details of CVE-2021-22910

This section delves into the specifics of the vulnerability.

Vulnerability Description

The vulnerability arises due to inadequate sanitization in Rocket.Chat server, enabling malicious queries to an endpoint, paving the way for a NoSQL injection attack.

Affected Systems and Versions

Rocket.Chat server versions <3.13.2, <3.12.4, and <3.11.4 are impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted queries to the affected endpoint, triggering a NoSQL injection and potential RCE.

Mitigation and Prevention

To secure systems against CVE-2021-22910, certain measures need to be implemented.

Immediate Steps to Take

Update Rocket.Chat server to fixed versions: 3.13.2, 3.12.4, or 3.11.4 to mitigate the vulnerability.
Monitor system logs for any suspicious activities that could indicate an ongoing exploitation attempt.

Long-Term Security Practices

Regular security assessments and code reviews to identify and address vulnerabilities in the application.
Implement strict input validation and sanitization mechanisms to prevent injection attacks.

Patching and Updates

Stay vigilant for security patches released by Rocket.Chat and promptly apply them to ensure the ongoing security of the system.