Check Point Advisories

Microsoft Network Policy Server RADIUS Denial of Service (MS15-007; CVE-2015-0015)

Check Point Reference: CPAI-2014-2243
Date Published: 13 Jan 2015
Severity: High
Last Updated: 31 Jan 2018
Source: Microsoft MS15-007
Industry Reference:CVE-2015-0015
Protection Provided by:

Security Gateway
R80, R77, R75, R71, R70

Who is Vulnerable? Windows Server 2003
Windows Server 2008
Windows Server 2008 R2
Windows Server 2012 and Windows Server 2012 R2
Vulnerability Description A denial of service vulnerability exists in the Network Policy Server (NPS). The vulnerability is due to the way the NPS handles username strings. A remote attacker can exploit this issue by sending a specially crafted username string to the NPS.
Update/Patch AvaliableApply patches from: MS15-007

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

  1. In the IPS tab, click Protections and find the Microsoft Network Policy Server RADIUS Denial of Service (MS15-007) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Application Servers Protection Violation.
Attack Information:  Microsoft Network Policy Server RADIUS Denial of Service (MS15-007)

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