Check Point Advisories

OpenLDAP Modrdn RDN UTF-8 String Code Execution (CVE-2010-0211)

Check Point Reference: CPAI-2010-160
Date Published: 13 Oct 2010
Severity: Critical
Last Updated: Tuesday 18 January, 2022
Industry Reference:CVE-2010-0211
Protection Provided by:

Security Gateway
R81, R80, R77, R75

Who is Vulnerable?
Vulnerability Description OpenLDAP is an open-source implementation of the Lightweight Directory Access Protocol (LDAP) service. On a default installation, the OpenLDAP server uses TCP port 389 for communication. A remote code execution vulnerability has been reported in OpenLDAP. The vulnerability is due to a memory corruption when handling a UTF8 string via modrdn. A remote attacker could exploit this vulnerability by sending a malicious request via modrdn to connect to the target server. Successful exploitation of this issue would allow injection and execution of arbitrary code in the context of the affect service or would cause termination of sldapd daemon 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 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 R81 / R80 / R77 / R75

  1. In the IPS tab, click Protections and find the OpenLDAP Modrdn RDN UTF-8 String Code Execution 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 Modrdn RDN UTF-8 String Code Execution

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