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Check Point Advisories

Microsoft WINS Name Validation Attack

Check Point Reference: CPAI-2005-02
Date Published: 5 Jan 2005
Severity: Low
Last Updated: 5 Jan 2005
Source:
Protection Provided by:

Security Gateway
R80, R77, R75, R71, R70

Who is Vulnerable?
Vulnerability Description

Protection Overview

IPS is able to recognize an illegal NBNS packet. This enables IPS to catch potentially harmful packets before they enter the network.

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 WINS Name Validation Attack protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

This protection's log will contain the following information:. Attack Name : MS WINS Replication Protocol Enforcement Violation. Attack Information :. MS WINS Replication Protocol Over TCP Attack. MS WINS Replication Protocol Over UDP Attack. Invalid Name. Invalid Packet