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Check Point Advisories

Welchia Worm

Check Point Reference: CPAI-2003-31
Date Published: 2 Jan 2006
Severity: Medium
Last Updated: 1 Jan 2013
Protection Provided by:

Security Gateway
R80, R77, R75, R71, R70, R65

Who is Vulnerable?
Vulnerability Description

Protection Overview

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 / R65

  1. In the IPS tab, click Protections and find the Welchia Worm 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:  ICMP Protocol Violation.
Attack Information:  Welchia/Nachi Worm ICMP packet

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