CVE-2022-26078 : Security Advisory and Response

Gallagher Controller 6000 is vulnerable to a Denial of Service attack due to conflicting ARP packets with a duplicate IP address.

Understanding CVE-2022-26078

This CVE pertains to a vulnerability in Gallagher Controller 6000 that could be exploited to launch a Denial of Service attack.

What is CVE-2022-26078?

The CVE-2022-26078 vulnerability in Gallagher Controller 6000 allows attackers to disrupt service availability by sending conflicting ARP packets containing a duplicate IP address.

The Impact of CVE-2022-26078

With a CVSS base score of 7.5, this high severity vulnerability poses a significant threat to the affected systems' availability. Attackers can exploit this issue remotely without requiring any user interaction.

Technical Details of CVE-2022-26078

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

Vulnerability Description

The vulnerability lies in Gallagher Controller 6000 versions vCR8.60, vCR8.50, vCR8.40, and vCR8.30, where conflicting ARP packets with a duplicate IP address lead to a Denial of Service condition.

Affected Systems and Versions

Gallagher Controller 6000 versions prior to 220303a, including vCR8.60, vCR8.50, vCR8.40, and vCR8.30, are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending conflicting ARP packets with a duplicate IP address to the target system, causing it to become unresponsive.

Mitigation and Prevention

To address CVE-2022-26078, immediate steps, long-term security practices, and patching procedures are crucial.

Immediate Steps to Take

It is recommended to apply patches provided by Gallagher to mitigate the vulnerability. Additionally, network monitoring and filtering ARP packets can help detect and prevent potential attacks.

Long-Term Security Practices

Regularly updating firmware and monitoring network traffic are essential long-term security practices to ensure the ongoing protection of systems against potential vulnerabilities.

Patching and Updates

Stay informed about security advisories from Gallagher and promptly apply patches and updates to address known vulnerabilities.