Check Point Advisories

Microsoft SharePoint Help Page Denial of Service (MS10-039; CVE-2010-1264)

Vulnerability
Protection

Check Point Reference:	CPAI-2010-200
Date Published:	8 Jun 2010
Severity:	High
Last Updated:	Tuesday 08 June, 2010
Source:
Industry Reference:	CVE-2010-1264
Protection Provided by:	Security Gateway R81, R80, R77, R75, R71, R70
Who is Vulnerable?
Vulnerability Description	Windows SharePoint Services provide a platform for collaboration applications and document management. Office SharePoint Server is an integrated suite of server capabilities built on top of Windows SharePoint Services. A denial of service vulnerability has been discovered in Microsoft SharePoint Server 2007. The vulnerability is due to the way that Microsoft SharePoint handles specially crafted requests sent to the Help page. A remote attacker can exploit this issue by sending a maliciously crafted HTTP request to the Help page of the SharePoint server. Successful exploitation of this vulnerability could allow the attacker to create a denial of service condition.

Protection Overview

This protection will detect and block malicious HTTP requests made to the vulnerable SharePoint server.

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

In the IPS tab, click Protections and find the Microsoft SharePoint Help Page Denial of Service (MS10-039) 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 help page denial of service (MS10-039)