Check Point Advisories

Microsoft .NET Framework Remote Code Execution (CVE-2014-4121)

Vulnerability
Protection

Check Point Reference:	CPAI-2014-1887
Date Published:	14 Oct 2014
Severity:	High
Last Updated:	Thursday 16 January, 2025
Source:	Microsoft MS14-057
Industry Reference:	CVE-2014-4121
Protection Provided by:	Security Gateway R81, R80, R77, R75, R71, R70
Who is Vulnerable?	Microsoft .NET Framework 2.0 Service Pack 2 Microsoft .NET Framework 3.5 Microsoft .NET Framework 3.5.1 Microsoft .NET Framework 4 Microsoft .NET Framework 4.5/4.5.1/4.5.2
Vulnerability Description	A remote code execution vulnerability exist in Microsoft .NET Framework. Successful exploitation could result in arbitrary code execution on the client machine.
Update/Patch Avaliable	Apply patches from: MS14-057

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 R81 / R80 / R77 / R75 / R71 / R70

In the IPS tab, click Protections and find the Microsoft .NET Framework Remote Code Execution (CVE-2014-4121) 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: Content Protection Violation.
Attack Information: Microsoft .NET Framework Remote Code Execution (CVE-2014-4121)