Check Point Advisories

Novell eDirectory dhost HTTPSTK Buffer Overflow

Vulnerability
Protection

Check Point Reference:	CPAI-2009-301
Date Published:	10 Dec 2009
Severity:	Critical
Last Updated:	Thursday 10 December, 2009
Source:
Protection Provided by:	Security Gateway R81, R80, R77, R75, R71, R70
Who is Vulnerable?
Vulnerability Description	Novell eDirectory is a Lightweight Directory Access Protocol (LDAP) server, intended for use as part of an identity management solution. A code execution vulnerability exists in Novell eDirectory. The vulnerability is due to lack of boundary validation when handling HTTP requests to the HTTPSTK form, especially the sadminpwd and verifypwd parameters.

Protection Overview

This protection will detect and block HTTP post requests to the eDirectory dhost application with malformed "sadminpwd" parameters.

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 / R71 / R70

In the IPS tab, click Protections and find the Novell eDirectory dhost HTTPSTK Buffer Overflow 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: Novell eDirectory dhost HTTPSTK buffer overflow