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Update Protection against Microsoft Word Index Value Parsing Memory Corruption Vulnerability (MS10-079)

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Check Point Reference: CPAI-2010-292
Date Published:
Severity:
Last Updated:
Source: Microsoft Security Bulletin MS10-079
Industry Reference(s): CVE-2010-3219
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 Word 2002 SP3
Vulnerability Description
A remote code execution vulnerability has been identified in the way that Microsoft Word handles indexes inside a specially crafted Word file. Microsoft Word is a popular word processing software. A remote attacker could exploit this issue via a malformed Word file. Successful exploitation of this vulnerability may allow execution of arbitrary code on a target system.
Update/Patch Available
Apply patches:
Microsoft Security Bulletin MS10-079
Vulnerability Details
The vulnerability is due to an error in Microsoft Word that fails to properly parse specially crafted Word files. A remote attacker could trigger this flaw by convincing a victim to open a specially crafted Word file that contains an index value. Successful exploitation of this issue may corrupt system memory, allowing execution of arbitrary code on a vulnerable system.

Protection Overview
This protection will detect and block the transferring of malformed Word 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: 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 Word Index Value Parsing Memory Corruption (MS10-079) 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 Word index value parsing memory corruption (MS10-079)

VPN-1 NGX R65 & 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 Word Index Value Parsing Memory Corruption (MS10-079)

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 Word index value parsing memory corruption (MS10-079)

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 Word Index Value Parsing Memory Corruption (MS10-079) (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 Word Index Value Parsing Memory Corruption (MS10-079)