CVE-2022-35246 Explained : Impact and Mitigation

A detailed overview of CVE-2022-35246, a vulnerability affecting Rocket.Chat.

Understanding CVE-2022-35246

This CVE describes a NoSQL-Injection information disclosure vulnerability in Rocket.Chat versions below 5.0, 4.8.2, and 4.7.5, allowing users unauthorized access to file upload URLs.

What is CVE-2022-35246?

The CVE pertains to an information disclosure vulnerability in Rocket.Chat's getS3FileUrl Meteor server method, enabling the disclosure of sensitive file URLs to unauthorized users.

The Impact of CVE-2022-35246

This vulnerability could result in unauthorized users accessing file upload URLs, potentially leading to the exposure of sensitive information.

Technical Details of CVE-2022-35246

Details about the vulnerability, affected systems, and exploitation mechanisms.

Vulnerability Description

The vulnerability in Rocket.Chat allows unauthorized users to access arbitrary file upload URLs, compromising data security.

Affected Systems and Versions

Rocket.Chat versions below 5.0, 4.8.2, and 4.7.5 are susceptible to this NoSQL-Injection information disclosure vulnerability.

Exploitation Mechanism

Unauthorized users could exploit this vulnerability to gain access to file upload URLs that they are not authorized to view.

Mitigation and Prevention

Steps to mitigate the risk posed by CVE-2022-35246 and prevent potential exploitation.

Immediate Steps to Take

Upgrade Rocket.Chat to versions 4.7.5, 4.8.2, or 5.0 to address the vulnerability.
Restrict access to sensitive file upload URLs based on user permissions.

Long-Term Security Practices

Implement regular security audits to identify and address potential vulnerabilities.
Educate users on safe data sharing practices.

Patching and Updates

Stay informed about security updates released by Rocket.Chat and promptly apply patches to protect against known vulnerabilities.