CVE-2023-24590 : What You Need to Know

This CVE record was published by Gallagher on December 18, 2023, and involves a vulnerability in the Controller 6000 product.

Understanding CVE-2023-24590

This vulnerability is a format string issue in the Controller 6000's optional diagnostic web interface, allowing attackers to manipulate memory, potentially leading to a Denial of Service (DoS) condition.

What is CVE-2023-24590?

The vulnerability in the Controller 6000's diagnostic web interface permits unauthorized read/write access to memory. It affects Gallagher Controller 6000 versions 8.60 (prior to vCR8.60.231116a) and all versions of 8.50 and earlier.

The Impact of CVE-2023-24590

With a CVSS base score of 7.5 (High Severity), this vulnerability poses a significant threat. The attack can be carried out remotely with no privileges required, impacting confidentiality, integrity, and availability.

Technical Details of CVE-2023-24590

This section delves into the specifics of the vulnerability, including its description, affected systems, and the exploitation mechanism.

Vulnerability Description

The format string issue in the Controller 6000's web interface can be exploited to interact with memory, potentially causing a crash and leading to a DoS scenario.

Affected Systems and Versions

The vulnerability impacts Gallagher Controller 6000 versions 8.60 (before vCR8.60.231116a) and all versions of 8.50 and earlier.

Exploitation Mechanism

Attackers can leverage this vulnerability through the diagnostic web interface to manipulate memory, potentially leading to a crash of the Controller 6000 device.

Mitigation and Prevention

Understanding how to mitigate and prevent the exploitation of this vulnerability is crucial for maintaining system security.

Immediate Steps to Take

It is recommended to apply security patches provided by Gallagher promptly. Additionally, restricting access to the diagnostic web interface can help reduce the risk of exploitation.

Long-Term Security Practices

Regularly monitoring for security updates and conducting thorough security assessments can enhance the overall resilience of the system against similar vulnerabilities.

Patching and Updates

Organizations using Gallagher Controller 6000 should ensure they are running the latest firmware version and promptly apply security updates to mitigate the risk associated with CVE-2023-24590.