Check Point Advisories

Microsoft Telnet Client Information Disclosure (MS05-033; CVE-2005-1205)

Check Point Reference: CPAI-2005-102
Date Published: 29 Jun 2005
Severity: Critical
Last Updated: 29 Jun 2005
Industry Reference:CVE-2005-1205
Protection Provided by:

Security Gateway
R80, R77, R75, R71, R70

Who is Vulnerable?
Vulnerability Description

Protection Overview

This protection will block the potentially malicious NEW-ENVIRON command on all Telnet connection from the server side.The detect mode makes it possible to track unauthorized traffic without blocking it.

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 Telnet Client Information Disclosure (MS05-033) 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:  Telnet Enforcement Violation.
Attack Information:  NEW-ENVIRON command blocked. For users of VPN-1 NG with Application Intelligence R55, SmartView Tracker log rule #9923.

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