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Update Protection against Microsoft Msxml2.XMLHTTP.3.0 Response Handling Memory Corruption Vulnerability (MS10-051)

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Check Point Reference: CPAI-2010-239
Date Published:
Severity:
Last Updated:
Source: Microsoft Security Bulletin MS10-051
Industry Reference(s): CVE-2010-2561
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?
Windows XP SP3
Windows XP Professional x64 Edition SP2
Windows Server 2003 SP2
Windows Server 2003 x64 Edition SP2
Windows Server 2003 with SP2 (Itanium)
Windows Vista SP1
Windows Vista SP2
Windows Vista x64 Edition SP1
Windows Vista x64 Edition SP2
Windows Server 2008 for 32-bit Systems
Windows Server 2008 for 32-bit Systems SP2
Windows Server 2008 for x64-based Systems
Windows Server 2008 for x64-based Systems SP2
Windows Server 2008 (Itanium)
Windows Server 2008 (Itanium) SP2
Windows 7 for 32-bit Systems
Windows 7 for x64-based Systems
Windows Server 2008 R2 for x64-based Systems
Windows Server 2008 R2 (Itanium)
Vulnerability Description
A remote code execution vulnerability has been reported in Microsoft XML Core Services (MSXML). MSXML is an application for processing Extensible Style-sheet Language Transformation in an XML file that allows programmers to create high-performance XML-based applications. By convincing a user to visit a specially crafted Web page, a remote attacker may trigger this vulnerability to execute arbitrary code on a vulnerable system.
Update/Patch Available
Apply patches:
Microsoft Security Bulletin MS10-051 
Vulnerability Details
The vulnerability is due to a bug in the way MSXML handles HTTP responses. To trigger this issue, an attacker may create a malicious web page that will exploit this flaw. Successful exploitation of this vulnerability may allow execution of arbitrary code on the vulnerable system.

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/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 > HTTP Client Protections > Microsoft Internet Explorer Vulnerabilities.
2. In the right pane, double-click the Microsoft Msxml2.XMLHTTP.3.0 Response Handling Memory Corruption (MS10-051) 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: Web Client Enforcement Violation
Attack Information: Microsoft Msxml2.XMLHTTP.3.0 response handling memory corruption (MS10-051)

VPN-1 NGX R65 & VSX NGX R65

How Can I Protect My Network?
1. In the SmartDefense tab, click Web Intelligence > HTTP Client Protections > Microsoft Internet Explorer Vulnerabilities > Microsoft Msxml2.XMLHTTP.3.0 Response Handling Memory Corruption (MS10-051).
2. In the configuration pane, under Settings > Mode, check Active.
3. Install policy on all modules.

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

Attack Name: Web Client Enforcement Violation
Attack Information: Microsoft Msxml2.XMLHTTP.3.0 response handling memory corruption (MS10-051)

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 > WWW 2, and select the Strict Compliance protection group.
3. Click Invalid HTTP version (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 entry will be logged:

Alert Name: HTTP Compliance
Description: Invalid HTTP version