CVE-2023-37543 : Security Advisory and Response

Cacti before 1.2.6 is vulnerable to an Insecure Direct Object Reference (IDOR) issue that allows unauthorized access to any graph by manipulating the local_graph_id parameter in graph_xport.php.

Understanding CVE-2023-37543

This CVE identifies a security flaw in Cacti that enables attackers to bypass access controls and view graphs without proper authorization.

What is CVE-2023-37543?

The CVE-2023-37543 vulnerability in Cacti exposes a loophole that permits users to access graphs through a specific parameter manipulation, potentially compromising sensitive information.

The Impact of CVE-2023-37543

The impact of this vulnerability lies in unauthorized parties being able to view graphs that they should not have access to, leading to potential data breaches and privacy violations.

Technical Details of CVE-2023-37543

A deeper look into the technical aspects of CVE-2023-37543 reveals:

Vulnerability Description

The vulnerability in Cacti version prior to 1.2.6 lets attackers exploit the local_graph_id parameter to gain unauthorized graph access.

Affected Systems and Versions

All versions of Cacti before 1.2.6 are affected by this security issue, putting users of these versions at risk of unauthorized data access.

Exploitation Mechanism

By modifying the local_graph_id parameter in graph_xport.php, attackers can manipulate the system to display graphs that they are not authorized to view.

Mitigation and Prevention

To address CVE-2023-37543, consider the following mitigation strategies:

Immediate Steps to Take

Update Cacti to version 1.2.6 or later to patch the vulnerability and prevent unauthorized access to graphs.
Review access controls and permissions to ensure that only authorized users can view sensitive information.

Long-Term Security Practices

Regularly monitor for any unauthorized access or unusual activities on the Cacti platform to detect potential security breaches.
Educate users on best practices for handling sensitive data and the importance of following access control policies.

Patching and Updates

Stay informed about security updates and patches released by Cacti to address vulnerabilities like CVE-2023-37543, ensuring that your system is always protected against known threats.