LibreNMS up to 24.10.0 Capture Debug Information Page Hostname cross site scripting

Summaryinfo

A vulnerability described as problematic has been identified in LibreNMS up to 24.10.0. This impacts an unknown function of the component Capture Debug Information Page. Such manipulation of the argument Hostname leads to cross site scripting. This vulnerability is traded as CVE-2024-49764. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in LibreNMS up to 24.10.0. Affected by this issue is an unknown code block of the component Capture Debug Information Page. The manipulation of the argument hostname with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. CVE summarizes:

LibreNMS is an open-source, PHP/MySQL/SNMP-based network monitoring system. A Stored Cross-Site Scripting (XSS) vulnerability in the "Capture Debug Information" page allows authenticated users to inject arbitrary JavaScript through the "hostname" parameter when creating a new device. This vulnerability results in the execution of malicious code when the "Capture Debug Information" page is visited, redirecting the user and sending non-httponly cookies to an attacker-controlled domain. This vulnerability is fixed in 24.10.0.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2024-49764 since 10/18/2024. The exploitation is known to be easy. The attack may be launched remotely. Additional levels of successful authentication are needed for exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

Upgrading to version 24.10.0 eliminates this vulnerability.

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Productinfo

Name

• LibreNMS

Version

• 24.0
• 24.1
• 24.2
• 24.3
• 24.4
• 24.5
• 24.6
• 24.7
• 24.8
• 24.9
• 24.10.0

License

• open-source

Website

• Product: https://github.com/librenms/librenms/

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