Check Point Advisories

OpenLDAP rwm Overlay Denial of Service (CVE-2013-4449)

Check Point Reference: CPAI-2013-3511
Date Published: 22 Dec 2013
Severity: High
Last Updated: Thursday 02 January, 2025
Source: CVE-2013-4449
Protection Provided by:

Security Gateway
R75
Who is Vulnerable? OpenLDAP Foundation OpenLDAP 2.4.36 and prior
Vulnerability Description A denial of service vulnerability has been reported in OpenLDAP.
Vulnerability DetailsThe vulnerability is due to an error in reference counting in the rwm overlay. A remote, authenticated attacker can exploit this vulnerability by sending a crafted request to the vulnerable server. Successful exploitation would cause termination of the OpenLDAP daemon, slapd, resulting in a denial of service condition.

Protection Overview

This protection will detect and block attempts to exploit this vulnerability.

In order for the protection to be activated, update your product to the latest update. For information on how to update , go to SBP-2006-05, Protection tab and select the version of your choice.

Security Gateway R75 / R71 / R70

  1. In the IPS tab, click Protections and find the OpenLDAP rwm Overlay Denial of Service protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

SmartView Tracker will log the following entries:
Attack Name: LDAP Protection Violation
Attack Information: OpenLDAP rwm Overlay Denial of Service

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