Check Point Advisories

Microsoft SharePoint Server XML Rollup Information Disclosure (MS11-074; CVE-2011-1892)

Vulnerability
Protection

Check Point Reference:	CPAI-2011-404
Date Published:	13 Sep 2011
Severity:	High
Last Updated:	Sunday 19 April, 2015
Source:
Industry Reference:	CVE-2011-1892
Protection Provided by:	Security Gateway R81, R80, R77, R75, R71, R70, R65
Who is Vulnerable?
Vulnerability Description	An information disclosure vulnerability has been reported in Microsoft SharePoint Server. The vulnerability is due to improper handling of malicious XML classes by SharePoint. An attacker could trigger this flaw by loading a malicious XML file to content rollup in an affected SharePoint server.

Protection Overview

This protection will detect and block attempts to transfer malicious XML files over HTTP.

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 / R71 / R70 / R65

In the IPS tab, click Protections and find the Microsoft SharePoint Server XML Rollup Information Disclosure (MS11-074) 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: Microsoft SharePoint server XML rollup information disclosure (MS11-074)