Check Point Advisories

Suspicious HTML Containing Overly Long Text (CVE-2013-2551)

Vulnerability
Protection

Check Point Reference:	CPAI-2014-0948
Date Published:	25 Feb 2014
Severity:	Medium
Last Updated:	Wednesday 26 February, 2014
Source:
Industry Reference:	CVE-2013-2551
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	HTML files may include a text tag containing an overly long and suspicious strings. This behavior may indicate an exploitation attempt.

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 / R75

In the IPS tab, click Protections and find the Suspicious HTML Containing Overly Long Text 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 Client Enforcement Violation.
Attack Information: Suspicious Javascript Containing Overly Long Text