Check Point Advisories

Microsoft Netware Client Service Memory Corruption (MS06-066; CVE-2006-4688)

Check Point Reference: CPAI-2006-138
Date Published: 23 Nov 2006
Severity: High
Last Updated: Tuesday 19 January, 2016
Industry Reference:CVE-2006-4688
Protection Provided by:

Security Gateway
R81, R80, R77, R75, R71, R70, R65

Who is Vulnerable?
Vulnerability Description Client Services for NetWare (CSNW) provides a Windows workstation with access to NetWare file, print, and directory services. This gives users the ability to store and retrieve documents from NetWare file servers, print to NetWare print queues, and log on to Novell Directory Services (NDS). By supplying malformed parameters to some of the API functions offered by this service, an attacker may cause a buffer overflow, and use it to take complete control over the affected system.

Protection Overview

This protection will block MS-RPC CSNW requests that contain malformed parameters.The detect mode makes it possible to track unauthorized access attempts without blocking them.

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 Microsoft Netware Client Service Memory Corruption (MS06-066) 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:  MS-RPC over CIFS Enforcement Violation.
Attack Information:  Microsoft Netware Client service memory corruption (MS06-066)

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