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Microsoft .NET Framework Parameter Validation Code Execution (MS12-025; CVE-2012-0163)


Check Point Reference: CPAI-2012-304
Date Published:
Source: Microsoft Security Bulletin MS12-025
Industry Reference(s): CVE-2012-0163
Protection Provided by: Security Gateway
  • R70
  • R71
  • R75
Who is Vulnerable?
Microsoft .NET Framework 1.0 SP3
Microsoft .NET Framework 1.1 SP1
Microsoft .NET Framework 2.0 Service Pack 2
Microsoft .NET Framework 3.5.1
Microsoft .NET Framework 4
Vulnerability Description
A heap buffer overflow vulnerability has been reported in Microsoft .NET framework.
Update/Patch Available
Apply patches from: MS12-025
Vulnerability Details
The vulnerability is due to improper parameters validation by the .NET Framework when passing data to a function. A remote attacker can exploit this issue by enticing a target user to open a web-page that contains a specially crafted XAML browser application (XBAP). Successful exploitation of this vulnerability could allow an attacker to take complete control of an affected system.

Protection Overview
This protection will detect and block attempts to open a specially crafted web page.

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 Framework Parameter Validation Code Execution (MS12-025) 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 Framework Parameter Validation Code Execution (MS12-025)