Check Point Advisories

Multiple Websites Distributed Denial of Service

Vulnerability
Protection

Check Point Reference:	CPAI-2022-0232
Date Published:	30 May 2022
Severity:	High
Last Updated:	Monday 30 May, 2022
Source:
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	A denial of service vulnerability exists in multiple websites. The vulnerability is due to the placing of the malicious JavaScript code BrownFlood. Successful exploitation of this vulnerability would allow remote attackers to cause denial of service on 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 R81 / R80 / R77 / R75

In the IPS tab, click Protections and find the Multiple Websites Distributed Denial of Service 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: Multiple Websites Distributed Denial of Service