Check Point Advisories

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

Vulnerability
Protection

Check Point Reference:	CPAI-2014-1694
Date Published:	21 Jul 2014
Severity:	High
Last Updated:	Monday 21 July, 2014
Source:	Microsoft MS14-026
Industry Reference:	CVE-2014-1806
Protection Provided by:	Security Gateway R81, R80, R77, 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 Avaliable	Apply 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, click on Protection tab and select the version of your choice.

Security Gateway R80 / R77 / R75 / R71 / R70

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.
Install policy on all Security Gateways.

This protection's log will contain the following information:

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