Check Point Advisories

Microsoft .NET Framework TypeFilterLevel Code Execution (MS14-026; CVE-2014-1806)

Check Point Reference: CPAI-2014-1694
Date Published: 21 Jul 2014
Severity: High
Last Updated: 21 Jul 2014
Source: CVE-2014-1806
Protection Provided by:

Security Gateway

  • R76
  • R75
  • R71
  • R70

  • Who is Vulnerable? Microsoft .NET Framework 4.5.1
    Microsoft .NET Framework 1.1
    Microsoft .NET Framework 2.0
    Microsoft .NET Framework 3.5
    Microsoft .NET Framework 3.5.1
    Microsoft .NET Framework 4
    Microsoft .NET Framework 4.5
    Vulnerability Description A code execution vulnerability exists in Microsoft .NET Framework. The vulnerability is due to the way the .NET framework handles TypeFilterLevel checks for some malformed objects. A remote attacker could exploit this vulnerability by sending specially crafted data to the target server that uses .NET Remoting.
    Update/Patch AvaliableApply patches from: MS14-026

    Protection Overview

    This protection 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.

    Security Gateway R77 / R76 / R75 / R71 / R70

    1. In the IPS tab, click Protections and find the Microsoft .NET Framework TypeFilterLevel Code Execution (MS14-026) protection using the Search tool and Edit the protection's settings.
    2. Install policy on all modules.

    SmartView Tracker will log the following entries:

    Attack Name:  Web Server Enforcement Violation.
    Attack Information:  Microsoft .NET Framework TypeFilterLevel Code Execution (MS14-026)