Check Point Advisories

Cross-Site Scripting Over HTTP Headers

Vulnerability
Protection

Check Point Reference:	CPAI-2023-0799
Date Published:	17 Oct 2023
Severity:	Critical
Last Updated:	Wednesday 15 November, 2023
Source:
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	Remote attackers use Cross-Site Scripting scanning in order to locate potential Cross-Site Scripting vulnerabilities on a target server, which could be later used for attacks.

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 R81 / R80 / R77 / R75

In the IPS tab, click Protections and find the Cross-Site Scripting Over HTTP Headers 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: Cross-Site Scripting Over HTTP Headers