Check Point Advisories

Nagios Log Server Persistent Cross-Site Scripting

Vulnerability
Protection

Check Point Reference:	CPAI-2020-1231
Date Published:	28 Nov 2020
Severity:	Medium
Last Updated:	Saturday 28 November, 2020
Source:
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Nagios Log Server 2.1.7
Vulnerability Description	A persistent cross site scripting vulnerability exists in Nagios Log Server. Successful exploitation of this vulnerability would allow remote attackers to inject an arbitrary web script into the affected system.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R80 / R77 / R75

In the IPS tab, click Protections and find the Nagios Log Server Persistent Cross-Site Scripting protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Web Server Enforcement Violation.
Attack Information: Nagios Log Server Persistent Cross-Site Scripting