Check Point Advisories

Microsoft SharePoint User Name XSS (MS15-022; CVE-2015-1633)

Vulnerability
Protection

Check Point Reference:	CPAI-2015-0231
Date Published:	10 Mar 2015
Severity:	High
Last Updated:	Tuesday 10 March, 2015
Source:	Mircosoft MS15-022
Industry Reference:	CVE-2015-1633
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Microsoft SharePoint Server 2010 Microsoft SharePoint Server 2013
Vulnerability Description	An elevation of privilege vulnerability exists in Microsoft SharePoint Server. The vulnerability is caused when SharePoint Server does not properly sanitize a specially crafted request. An authenticated attacker could exploit this vulnerability by sending a specially crafted request to an affected SharePoint server.
Update/Patch Avaliable	Apply patches from: MS15-022

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 SharePoint User Name XSS (MS15-022) 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: SharePoint Enforcement Violation.
Attack Information: Microsoft SharePoint User Name XSS (MS15-022)