Check Point Advisories

OpenLDAP Slapd Denial of Service (CVE-2020-12243)

Check Point Reference: CPAI-2020-0561
Date Published: 30 Jun 2020
Severity: High
Last Updated: Tuesday 30 June, 2020
Industry Reference:CVE-2020-12243
Protection Provided by:

Security Gateway
R81, R80, R77, R75

Who is Vulnerable? OpenLDAP prior to 2.4.50
Vulnerability Description A denial-of-service vulnerability exists in OpenLDAP Slapd. Successful exploitation of this vulnerability would allow a remote attacker to create a denial of service condition on the affected system.

Protection Overview

This protection detects attempts to exploit this vulnerability.

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

  1. In the IPS tab, click Protections and find the OpenLDAP Slapd Denial of Service (CVE-2020-12243) 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:  OpenLDAP Slapd Denial of Service (CVE-2020-12243)

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