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Microsoft .NET Framework Serialization Data Validation Error (MS12-035; CVE-2012-0160)

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Check Point Reference: CPAI-2012-242
Date Published:
Severity:
Source: Microsoft Security Bulletin MS12-035
Industry Reference(s): CVE-2012-0160
Protection Provided by: Security Gateway
  • R70
  • R71
  • R75
Who is Vulnerable?
Microsoft .NET Framework 1.0 Service Pack 3
Microsoft .NET Framework 1.1 Service Pack 1
Microsoft .NET Framework 2.0 Service Pack 2
Microsoft .NET Framework 3.0 Service Pack 2
Microsoft .NET Framework 3.5 Service Pack 1
Microsoft .NET Framework 3.5.1
Microsoft .NET Framework 4
Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems
Microsoft .NET Framework 4 when installed on Windows Server 2008 R2 for x64-based Systems
Vulnerability Description
A remote code execution vulnerability has been reported in the Microsoft .NET Framework.
Update/Patch Available
Apply patches from here
Vulnerability Details
The vulnerability is due to improper data validation by the serialization process within the .NET Framework. A remote attacker may exploit this issue by enticing a target user to view a malicious website containing a specially crafted XAML browser application (XBAP). Successful exploitation could allow an attacker to take complete control of the target system.

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

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 Serialization Data Validation Error (MS12-035) 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 Serialization Data Validation Error (MS12-035)