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Microsoft Windows TrueType Font File Parsing Code Execution (CVE-2011-3402)

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Check Point Reference: CPAI-2011-512
Date Published:
Severity:
Source: Microsoft Security Advisory
Industry Reference(s): CVE-2011-3402
Protection Provided by: Security Gateway
  • R70
  • R71
  • R75
Who is Vulnerable?
Windows XP Service Pack 3
Windows XP Professional x64 Edition Service Pack 2
Windows Server 2003 Service Pack 2
Windows Server 2003 x64 Edition Service Pack 2
Windows Server 2003 with SP2 for Itanium-based Systems
Windows Vista Service Pack 2
Windows Vista x64 Edition Service Pack 2
Windows Server 2008 for 32-bit Systems Service Pack 2
Windows Server 2008 for x64-based Systems Service Pack 2
Windows Server 2008 for Itanium-based Systems Service Pack 2
Windows 7 for 32-bit Systems
Windows 7 for 32-bit Systems Service Pack 1
Windows 7 for x64-based Systems
Windows 7 for x64-based Systems Service Pack 1
Windows Server 2008 R2 for x64-based Systems
Windows Server 2008 R2 for x64-based Systems Service Pack 1
Windows Server 2008 R2 for Itanium-based Systems
Windows Server 2008 R2 for Itanium-based Systems Service Pack 1
Vulnerability Description
A remote code execution vulnerability has been reported in Microsoft Windows.
Vulnerability Details
The vulnerability is due to improper bounds checking when parsing specially crafted TrueType Font (TTF) files. A remote attacker may exploit this vulnerability by enticing an affected user to open a specially crafted TTF file. Successful exploitation of this vulnerability may allow execution of arbitrary code on a target system or lead to a local elevation of privilege condition.

Protection Overview
This protection will detect and block attempts to transfer malicious TTF 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 Windows TrueType Font File Parsing Code Execution 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 Windows TrueType Font file parsing code execution