Update Protection against Microsoft SharePoint Malformed Request Remote Code Execution Vulnerability (MS10-104)

Vulnerability
Protection

Check Point Reference:	CPAI-2010-339
Date Published:
Severity:
Last Updated:
Source:	Microsoft Security Bulletin MS10-104
Industry Reference(s):	CVE-2010-3964
Protection Provided by:	Security Gateway R71 R70 VPN-1 NGX R65 VSX NGX R65 IPS-1 IPS-1 IPS-1 NGX R65
Who is Vulnerable? Microsoft Office SharePoint Server 2007 Service Pack 2 (32-bit editions) Microsoft Office SharePoint Server 2007 Service Pack 2 (64-bit editions)
Vulnerability Description A remote code execution vulnerability exists in the way that the Document Conversions Launcher Service validates SOAP requests before processing on a SharePoint server. Document Conversions Launcher Service schedules and initiates the document conversions on a server. When Microsoft Office SharePoint Server 2007 passes the service a document conversion request, the Document Conversions Launcher Service calls the appropriate document converter. Successful exploitation of this vulnerability may allow execution of arbitrary code on a target system.

Update/Patch Available
Apply patches:
Microsoft Security Bulletin MS10-104

Vulnerability Details
This vulnerability is due to an error in the Document Conversions Launcher service that fails to properly validate SOAP requests from the Document Conversions Load Balancer Service. A remote attacker can exploit this vulnerability by sending a specially crafted SOAP request to the Document Conversions Launcher Service in a SharePoint server environment that is using the Document Conversions Load Balancer Service. Successful exploitation of this vulnerability could allow the attacker to run arbitrary code on an affected SharePoint server.

Protection Overview
This protection will detect and block malformed Sharepoint SOAP requests made to the vulnerable server on port 8082.

In order for the protection to be activated, update your Security Gateway/VPN-1 product to the latest IPS/SmartDefense update. For information on how to update IPS/SmartDefense, go to SBP-2006-05, Protection tab and select the version of your choice.

To configure the defense, select your product from the list below and follow the related protection steps.

Security Gateway: R70/R71

How Can I Protect My Network?
1. In the IPS tab, click Protections > By Protocol > Web Intelligence > Application Layer.
2. In the right pane, double-click the Microsoft SharePoint Malformed Request Remote Code Execution (MS10-104) protection.
3. In the Protection Details window, click on Edit. Choose the protection's Action (Override IPS Policy with: Prevent/Detect), and apply Additional Settings.
4. Install policy on all modules.

How Do I Know if My Network is Under Attack?
SmartView Tracker will log the following entries:

Attack Name: SharePoint Enforcement Violation
Attack Information: Microsoft SharePoint malformed request remote code execution (MS10-104)

VPN-1 NGX R65 & VSX NGX R65

How Can I Protect My Network?
1. In the SmartDefense tab, click Web Intelligence > Application Layer > Microsoft SharePoint Malformed Request Remote Code Execution (MS10-104).
2. In the configuration pane, under Settings > Mode, check Active.
3. Install policy on all modules.

IPS-1 & IPS-1 NGX R65

How Can I Protect My Network?
1. In the IPS-1 Policy Manager, click on the Protection tab.
2. In the Protection tree, click Web Intelligence > HTML, and select the Microsoft Sharepoint protection group.
3. Click Microsoft SharePoint Malformed Request Remote Code Execution (MS10-104) (IPS-1 NGX R65 only).
4. In the configuration pane, under Settings, check Active.
5. Click on Install Policy.

How Do I Know if My Network is Under Attack?

Upon attack, the following entries will be logged:

Alert Name: Microsoft Sharepoint Vulnerabilities
Description: Microsoft SharePoint Malformed Request Remote Code Execution (MS10-104)

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