Check Point Advisories

Web Clients HTTP URL DOM Entity Cross-Site Scripting

Check Point Reference: CPAI-2015-0451
Date Published: 1 Jun 2015
Severity: Critical
Last Updated: 14 Jul 2017
Protection Provided by:

Security Gateway
R80, R77, R76, R75

Who is Vulnerable?
Vulnerability Description A cross-site scripting vulnerability has been reported in multiple web clients. The vulnerability is due to improper input validation. A remote attacker could exploit this vulnerability to execute arbitrary scripting or HTML code in the user's browser session.

Protection Overview

This protection will detect and block 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 / R76 / R75

  1. In the IPS tab, click Protections and find the Web Clients HTTP URL DOM Entity Cross-Site Scripting protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

This protection's log will contain the following information:

Attack Name:  Web Client Enforcement Violation.
Attack Information:  Web Clients HTTP URL DOM Entity Cross-Site Scripting

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