Check Point Advisories

OpenLDAP Zero Size PagedResultsControl Double Free Denial Of Service (CVE-2017-9287) - Ver2

Vulnerability
Protection

Check Point Reference:	CPAI-2018-0782
Date Published:	15 Apr 2018
Severity:	Medium
Last Updated:	Tuesday 31 July, 2018
Source:
Industry Reference:	CVE-2017-9287
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Openldap Openldap Openldap Openldap Openldap 2.4.44
Vulnerability Description	A denial-of-service vulnerability exists in OpenLDAP. 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

In the IPS tab, click Protections and find the OpenLDAP Zero Size PagedResultsControl Double Free Denial Of Service (CVE-2017-9287) - Ver2 protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: LDAP Protection Violation.
Attack Information: OpenLDAP Zero Size PagedResultsControl Double Free Denial Of Service (CVE-2017-9287) - Ver2