Update Protections against Microsoft Office Access ACCWIZ.dll Uninitialized Variable Remote Code Execution Vulnerability (MS10-044)

Vulnerability
Protection

Check Point Reference:	CPAI-2010-219
Date Published:
Severity:
Last Updated:
Source:	Microsoft Security Bulletin MS10-044
Industry Reference(s):	CVE-2010-1881
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 2003 SP3
Vulnerability Description A remote code execution vulnerability has been reported in the way that the AccWizObjects ActiveX control is instantiated by Microsoft Office and Internet Explorer. ACCWIZ.dll (Microsoft Access Wizard Controls) is a component of Microsoft Office that provides a library of Access ActiveX controls. A remote attacker could exploit this issue by convincing a user to open a maliciously crafted HTML file with Internet Explorer, which may allow the attacker to execute arbitrary code on the affected system.

Update/Patch Available
Apply patches:
Microsoft Security Bulletin MS10-044

Vulnerability Details
The vulnerability is due to a memory corruption error in the ACCWIZ library that can be taken advantage of by providing the control with specially crafted persisted storage data. To trigger this issue, an attacker may create a malicious web page that will instantiate the affected ACCWIZ.DLL ActiveX control. Successful exploitation of this vulnerability will allow an attacker to take complete control of the affected 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 Access ACCWIZ.dll Uninitialized Variable Code Execution (MS10-044) 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 Access ACCWIZ.dll uninitialized variable code execution (MS10-044)

VPN-1 NGX R65 & VPN-1 VSX NGX R65

How Can I Protect My Network?
1. In the SmartDefense tab, click Web Intelligence > HTTP Client Protections > Microsoft Internet Explorer Vulnerabilities.
2. Select the following protection: Microsoft Access ACCWIZ.dll Uninitialized Variable Code Execution (MS10-044).
3. In the configuration pane, under Settings > Mode, check Active.
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 Access ACCWIZ.dll uninitialized variable code execution (MS10-044)

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 Application Intelligence > Badfiles, and select the Microsoft Office Parser protection group.
3. Click Microsoft Office Access ActiveX Controls Remote Code Execution (MS10-044) (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 entryies will be logged:

Alert Name: Vulnerability in MS-Office file
Description: Microsoft Office Access ActiveX Controls Remote Code Execution (MS10-044)

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