Check Point Advisories

Red Hat 389 Directory Server ns-slapd ldapsearch Buffer Overflow (CVE-2018-1089)

Check Point Reference: CPAI-2019-0032
Date Published: 13 Jan 2019
Severity: Medium
Last Updated: 24 Jan 2019
Source: Red Hat
Industry Reference:CVE-2018-1089
Protection Provided by:

Security Gateway
R80, R77, R76, R75

Who is Vulnerable? Red Hat 389 Directory Server prior to 1.3.6.15
Red Hat 389 Directory Server prior to 1.3.8.1
Red Hat 389 Directory Server prior to 1.4.0.9
Vulnerability Description A stack buffer overflow vulnerability has been discovered in 389 Directory Server. The vulnerability is due to improper handling of overly long filter values within ldapsearch queries. A remote attacker can issue a crafted query in order to trigger the vulnerability and cause arbitrary code execution with the privileges of the ns-slapd daemon. An unsuccessful attack will cause the ns-slapd daemon to abnormally terminate.

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 / R76 / R75

  1. In the IPS tab, click Protections and find the Red Hat 389 Directory Server ns-slapd ldapsearch Buffer Overflow protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

This protection's log will contain the following information:

Attack Name:  Application Servers Protection Violation.
Attack Information:  Red Hat 389 Directory Server ns-slapd ldapsearch Buffer Overflow

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