CVE-2023-5240 : What You Need to Know

This is an overview of CVE-2023-5240, a vulnerability identified in Devolutions Server.

Understanding CVE-2023-5240

This section delves into what CVE-2023-5240 is about, its impact, technical details, and mitigation steps.

What is CVE-2023-5240?

CVE-2023-5240 is a vulnerability found in Devolutions Server version 2023.2.8.0 and earlier. It involves improper access control in PAM propagation scripts, which could allow an attacker with the permission to manage these scripts to retrieve stored passwords through a GET request.

The Impact of CVE-2023-5240

The impact of this vulnerability is significant as it could lead to potential unauthorized access to sensitive information, specifically passwords stored within PAM propagation scripts.

Technical Details of CVE-2023-5240

Here, we discuss specific technical aspects of the vulnerability.

Vulnerability Description

The vulnerability arises from improper access control in PAM propagation scripts within Devolutions Server 2023.2.8.0 and earlier versions, enabling unauthorized access to stored passwords via a GET request.

Affected Systems and Versions

Devolutions Server versions up to 2023.2.8.0 are affected by this vulnerability, particularly within the PAM propagation scripts module.

Exploitation Mechanism

An attacker with permissions to manage PAM propagation scripts could exploit this vulnerability by sending a GET request to retrieve passwords stored within the scripts.

Mitigation and Prevention

This section focuses on steps to mitigate and prevent exploitation of CVE-2023-5240.

Immediate Steps to Take

Organizations using affected versions of Devolutions Server should restrict access to PAM propagation scripts to authorized personnel only.
Regularly monitor and audit access to these scripts to detect any suspicious activities.

Long-Term Security Practices

Implement a least privilege access control model to limit who can manage PAM propagation scripts.
Conduct regular security training for employees to raise awareness about proper security practices.

Patching and Updates

Devolutions Server users should apply security patches and updates released by Devolutions to address this vulnerability.
Stay informed about security advisories from Devolutions to ensure prompt mitigation of any potential threats.