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Update Protection against Microsoft Visual Basic VBE6.DLL Stack Memory Corruption Vulnerability (MS10-031)

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Check Point Reference: CPAI-2010-075
Date Published:
Severity:
Last Updated:
Source: Microsoft Security Bulletin MS10-031
Industry Reference(s): CVE-2010-0815
Protection Provided by: Security Gateway
  • R75
  • R71
  • R70
VPN-1
  • NGX R65
VSX
  • NGX R65
IPS-1
  • IPS-1
  • IPS-1 NGX R65
Who is Vulnerable?
Microsoft Office XP SP3
Microsoft Office 2003 SP3
2007 Microsoft Office System SP1
2007 Microsoft Office System SP2
Microsoft Visual Basic for Applications runtime
Microsoft Visual Basic for Applications SDK 6.0
Vulnerability Description
A remote code execution vulnerability has been reported in the way that Microsoft Visual Basic for Applications searches for ActiveX controls. Microsoft Visual Basic (VBA) is a technology for developing client desktop packaged applications and integrating them with existing data and systems. Microsoft Office products include VBA and make use of VBA to perform certain functions. A remote attacker may exploit this vulnerability to take complete control of an affected system.
Update/Patch Available
Apply patches:
Microsoft Security Bulletin MS10-031
Vulnerability Details
The vulnerability is caused by the way Visual Basic for Applications searches for ActiveX controls in a document that supports VBA. A remote attacker may trigger this vulnerability by passing a specially crafted document with embedded ActiveX controls to VBA. Successful exploitation of this issue may allow the attacker to execute arbitrary code on a vulnerable system.

Protection Overview
This protection will detect and block the transferring of malformed PowerPoint files over HTTP.

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: R75

How Can I Protect My Network?
1. In the IPS tab, click Protections > By Protocol > IPS Software Blade > Application Intelligence > Content Protection.
2. In the right pane, double-click the Microsoft Visual Basic VBE6.DLL Stack Memory Corruption (MS10-031) 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: Content Protection Violation
Attack Information: Microsoft Visual Basic VBE6.DLL stack memory corruption (MS10-031)

Security Gateway: R70/R71

How Can I Protect My Network?
1. In the IPS tab, click Protections > By Protocol > Application Intelligence > Content Protection.
2. In the right pane, double-click the Microsoft Visual Basic VBE6.DLL Stack Memory Corruption (MS10-031) 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: Content Protection Violation
Attack Information: Microsoft Visual Basic VBE6.DLL stack memory corruption (MS10-031)

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

How Can I Protect My Network?
1. In the SmartDefense tab, click Application Intelligence > Content Protection.
2. Select the following protection:

Microsoft Visual Basic VBE6.DLL Stack Memory Corruption (MS10-031)

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: Content Protection Violation
Attack Information: Microsoft Visual Basic VBE6.DLL stack memory corruption (MS10-031)

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 VBA Stack Memory Corruption (MS10-031) (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: Vulnerability in MS-Office file
Description: Microsoft VBA Stack Memory Corruption (MS10-031)