Check Point Advisories

Microsoft Windows Netlogon Spoofing (MS15-027; CVE-2015-0005)

Vulnerability
Protection

Check Point Reference:	CPAI-2015-0212
Date Published:	10 Mar 2015
Severity:	High
Last Updated:	Thursday 11 February, 2016
Source:	Microsoft MS15-027
Industry Reference:	CVE-2015-0005
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Windows Server 2003 Windows Server 2008 Windows Server 2008 R2 Windows Server 2012 and Windows Server 2012 R2 Server Core installation
Vulnerability Description	A spoofing vulnerability exists in the Netlogon service. The vulnerability is caused when the Netlogon service improperly establishes a secure communications channel, when given a computer name, without challenging for credentials. A remote attacker may exploit this issue by sending a specially crafted RPC packet to the Netlogon Service.
Update/Patch Avaliable	Apply patches from: MS15-027

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

In the IPS tab, click Protections and find the Microsoft Windows Netlogon Spoofing (MS15-027) 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: Windows SMB Protection Violation.
Attack Information: Microsoft Windows Netlogon Spoofing (MS15-027)