Check Point Advisories

Microsoft LDAP Remote Anonymous Denial of Service (MS13-079; CVE-2013-3868)

Check Point Reference: CPAI-2013-2912
Date Published: 1 Sep 2013
Severity: High
Last Updated: Wednesday 17 August, 2016
Source:
Industry Reference:CVE-2013-3868
Protection Provided by:

Security Gateway
R81, R80, R77, R75, R71, R70
Who is Vulnerable?
Vulnerability Description A denial of service vulnerability exists in implementations of Active Directory that could cause the service to stop responding. The vulnerability is caused when the LDAP service fails to handle a specially crafted query. An attacker could exploit this vulnerability by sending a specially crafted query to the LDAP service.

Protection Overview

This protection will detect and block a brute force attempt on Microsoft LDAP server.

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 LDAP Remote Anonymous Denial of Service (MS13-079) 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:  Microsoft LDAP Remote Anonymous Denial of Service (MS13-079)

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