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Microsoft.NET and Silevrlight Unmanaged Objects Code Execution (MS12-016; CVE-2012-0014)


Check Point Reference: CPAI-2012-056
Date Published:
Source: Microsoft Security Bulletin MS12-016
Industry Reference(s): CVE-2012-0014
Protection Provided by: Security Gateway
  • R70
  • R71
  • R75
Who is Vulnerable?
Microsoft .NET Framework 2.0 Service Pack 2
Microsoft .NET Framework 3.5.1
Microsoft .NET Framework 4
Microsoft Silverlight 4
Vulnerability Description
A remote code execution vulnerability has been reported in the Microsoft .NET Framework and Silverlight.
Update/Patch Available
Apply patches from: MS12-016
Vulnerability Details
The vulnerability is caused due to an error in the way the .NET Framework and Silverlight use unmanaged objects. A remote attacker may exploit this issue by enticing a user to open a web page containing a specially crafted XBAP (XAML browser application). Successful exploitation could allow the attacker to take complete control of an affected system.

Protection Overview
IPS will detect and block attempts to exploit this vulnerability.

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.NET and Silevrlight Unmanaged Objects Code Execution (MS12-016) 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: Web Client Enforcement Violation
Attack Information: Microsoft.NET and Silevrlight unmanaged objects code execution (MS12-016)