Check Point Advisories

Microsoft HTML Sanitization Cross Site Scripting (MS13-035) - High Confidence (CVE-2013-1289)

Vulnerability
Protection

Check Point Reference:	CPAI-2013-1680
Date Published:	24 Apr 2013
Severity:	Medium
Last Updated:	Monday 13 March, 2017
Source:
Industry Reference:	CVE-2013-1289
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Microsoft Groove Server 2010 Microsoft InfoPath 2010 Microsoft Office SharePoint Server 2010 Microsoft Office Web Apps 2010 Microsoft Windows SharePoint Foundation 2010
Vulnerability Description	A cross-site scripting vulnerability has been reported in multiple Microsoft products. The flaw is due to the way that the applications sanitize HTML. Remote attackers can exploit this vulnerability by submitting crafted HTML to the vulnerable server that uses the HTML Sanitization library, and then enticing the target user to view the malicious page. Submitting crafted HTML may require the attacker to have limited user privileges or the server to be configured to allow guest access. In a successful attack, a remote attacker can leverage this vulnerability to execute script in the context of the affected site.

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 Microsoft HTML Sanitization Cross Site Scripting (MS13-035) - High Confidence 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: Microsoft HTML Sanitization Cross Site Scripting (MS13-035) - High Confidence