Staying Safe in Times of Cyber Uncertainty
Check Point Advisories

Microsoft Active Directory LDAP Query Handling Denial of Service (MS08-003; CVE-2008-0088)

Check Point Reference: CPAI-2008-030
Date Published: 5 Feb 2008
Severity: High
Last Updated: Tuesday 23 August, 2016
Industry Reference:CVE-2008-0088
Protection Provided by:

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

Who is Vulnerable?
Vulnerability Description Lightweight Directory Access Protocol (LDAP) is Internet standard protocol designed for querying and modifying directory services. A vulnerability was discovered in Microsoft Active Directory that enables an attacker to cause a Denial-of-Service (DoS) condition.

Protection Overview

This protection will detect and block specially crafted LDAP requests that can potentially cause the DoS.A monitor-only 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 / R65

  1. In the IPS tab, click Protections and find the Microsoft Active Directory LDAP Query Handling Denial of Service (MS08-003) 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:  LDAP Protection Violation.
Attack Information:  Microsoft Active Directory LDAP query handling denial of service (MS08-003)

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