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Microsoft Word Access Violation Code Execution (MS11-089; CVE-2011-1983)

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Check Point Reference: CPAI-2011-566
Date Published:
Severity:
Source: Microsoft Security Bulletin MS11-089
Industry Reference(s): CVE-2011-1983
Protection Provided by: Security Gateway
  • R70
  • R71
  • R75
VPN-1
  • NGX R65
VSX
  • NGX R65
Who is Vulnerable?
Microsoft Word 2007 Service Pack 2
Microsoft Word 2007 Service Pack 3
Microsoft Word 2010 and Microsoft Word 2010 Service Pack 1 (32-bit editions)
Microsoft Word 2010 and Microsoft Word 2010 Service Pack 1 (64-bit editions)
Microsoft Office for Mac 2011
Vulnerability Description
A remote code execution vulnerability has been reported in Microsoft Word.
Update/Patch Available
Apply patches from: MS11-089
Vulnerability Details
The vulnerability is due to an error in the way Microsoft Word handles objects in memory. A remote attacker could exploit this vulnerability by enticing a user to open a specially crafted Word file with an affected version of Microsoft Word. Successful exploitation could allow an attacker to take complete control over an affected system.

Protection Overview
This protection will detect and block the transferring of malicious Word files.

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 / R71 / R70

How Can I Protect My Network?
1. In the IPS tab, click Protections and find the Microsoft Word Access Violation Code Execution (MS11-089) protection using the Search tool and Edit the protection's settings.
2. 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 access violation code execution (MS11-089)