CVE-2022-24565 : What You Need to Know

Checkmk <=2.0.0p19 Fixed in 2.0.0p20 and Checkmk <=1.6.0p27 Fixed in 1.6.0p28 are affected by a Cross Site Scripting (XSS) vulnerability. The Alias of a site was not properly escaped when shown as condition for notifications.

Understanding CVE-2022-24565

This CVE pertains to a Cross Site Scripting (XSS) vulnerability affecting specific versions of Checkmk.

What is CVE-2022-24565?

CVE-2022-24565 highlights an XSS vulnerability in Checkmk versions <=2.0.0p19 and <=1.6.0p27, where the Alias of a site was not adequately escaped during notifications.

The Impact of CVE-2022-24565

The vulnerability could allow attackers to execute malicious scripts in the context of a user's browser, potentially leading to account hijacking or sensitive data theft.

Technical Details of CVE-2022-24565

This section provides insights into the vulnerability's description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

Checkmk versions <=2.0.0p19 and <=1.6.0p27 are susceptible to a Cross Site Scripting (XSS) flaw due to inadequate escaping of the site Alias in notification conditions.

Affected Systems and Versions

The vulnerability impacts Checkmk versions <=2.0.0p19 and <=1.6.0p27.

Exploitation Mechanism

An attacker can exploit this vulnerability by crafting a malicious script and executing it within the context of a victim's session, potentially leading to unauthorized access.

Mitigation and Prevention

This section outlines immediate steps to take, long-term security practices, and the importance of patching and updates.

Immediate Steps to Take

Users are advised to update their affected Checkmk instances to the patched versions (2.0.0p20 and 1.6.0p28) to mitigate the XSS vulnerability.

Long-Term Security Practices

Implement security best practices such as input validation, output encoding, and regularly monitoring for security updates.

Patching and Updates

Regularly apply security patches and updates provided by the Checkmk team to ensure the ongoing security of your systems.