Check Point Advisories

Microsoft .NET ClickOnce Elevation of Privilege (MS14-057; CVE-2014-4073)

Vulnerability
Protection

Check Point Reference:	CPAI-2014-1886
Date Published:	14 Oct 2014
Severity:	High
Last Updated:	Tuesday 14 October, 2014
Source:	Microsoft MS14-057
Industry Reference:	CVE-2014-4073
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 exists in Microsoft .NET Framework. The vulnerability is due to the way the .NET framework handles elevation of privilege. A remote attacker could exploit this vulnerability by elevating privileges on the targeted system.
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 R80 / R77 / R75 / R71 / R70

In the IPS tab, click Protections and find the Microsoft .NET ClickOnce Elevation of Privilege (MS14-057) 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 ClickOnce Elevation of Privilege (MS14-057)