CVE-2020-24373 : Security Advisory and Response

A CSRF vulnerability in the UPnP MediaServer implementation in Freebox Server before 4.2.3.

Understanding CVE-2020-24373

A CSRF vulnerability in the UPnP MediaServer implementation in Freebox Server before 4.2.3.

What is CVE-2020-24373?

This CVE refers to a Cross-Site Request Forgery (CSRF) vulnerability found in the UPnP MediaServer implementation in Freebox Server prior to version 4.2.3.

The Impact of CVE-2020-24373

The vulnerability could allow an attacker to perform unauthorized actions on behalf of an authenticated user, potentially leading to data theft or manipulation.

Technical Details of CVE-2020-24373

A CSRF vulnerability in the UPnP MediaServer implementation in Freebox Server before 4.2.3.

Vulnerability Description

The vulnerability allows attackers to trick users into executing unwanted actions on a web application where they are authenticated.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: Not applicable

Exploitation Mechanism

Attackers can craft malicious requests and trick authenticated users into unknowingly executing these requests, leading to unauthorized actions.

Mitigation and Prevention

Steps to address the CVE-2020-24373 vulnerability.

Immediate Steps to Take

Update Freebox Server to version 4.2.3 or later to mitigate the CSRF vulnerability.
Implement CSRF tokens in web applications to prevent CSRF attacks.

Long-Term Security Practices

Regularly update software and firmware to patch known vulnerabilities.
Educate users about the risks of clicking on suspicious links or executing unknown actions.

Patching and Updates

Apply security patches and updates provided by Freebox to address the CSRF vulnerability in the UPnP MediaServer implementation.