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Microsoft Word RTF listoverridecount Remote Code Execution (MS12-079; CVE-2012-2539; CVE-2014-1761)

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Check Point Reference: CPAI-2012-1139
Date Published:
Severity:
Source: Microsoft Security Bulletin MS12-079
Industry Reference(s): CVE-2012-2539
CVE-2014-1761
Protection Provided by: Security Gateway
  • R75 and above
  • R71
  • R70
Who is Vulnerable?
Microsoft Word 2003 Service Pack 3
Microsoft Word 2007 Service Pack 2
Microsoft Word 2007 Service Pack 3
Microsoft Word 2010 Service Pack 1 (32-bit editions)
Microsoft Word 2010 Service Pack 1 (64-bit editions)
Microsoft Word Viewer
Microsoft Office Compatibility Pack Service Pack 2
Microsoft Office Compatibility Pack Service Pack 3
Microsoft Office Web Apps 2010 Service Pack 1
Vulnerability Description
A remote code execution vulnerability has been reported in Microsoft Word.
Update/Patch Available
Apply patches from: MS12-079
Vulnerability Details
The vulnerability is due to an error in the way Word parses specially crafted Rich Text Format (RTF) data. A remote attacker can exploit this issue by enticing a target user to open a malicious Microsoft Office Document. Successful exploitation can lead to remote code execution under the credentials of the currently logged in user.

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

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, 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 RTF listoverridecount Remote Code Execution (MS12-079) 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 RTF listoverridecount Remote Code Execution (MS12-079)