Check Point Advisories

VBulletin Persistent Cross Site Scripting

Vulnerability
Protection

Check Point Reference:	CPAI-2020-0811
Date Published:	25 Aug 2020
Severity:	High
Last Updated:	Tuesday 25 August, 2020
Source:
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	vBulletin 5.6.2
Vulnerability Description	A cross-site scripting vulnerability exists in vBulletin. Successful exploitation of this vulnerability would allow remote attackers to inject 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 VBulletin 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: VBulletin Persistent Cross Site Scripting