Check Point Advisories

Novell eDirectory MS-DOS Device Name Denial of Service (CVE-2005-1729)

Check Point Reference: CPAI-2005-256
Date Published: 8 Nov 2009
Severity: Critical
Last Updated: Wednesday 12 December, 2018
Industry Reference:CVE-2005-1729
Protection Provided by:

Security Gateway
R81, R80, R77, R75

Who is Vulnerable?
Vulnerability Description Novell eDirectory is a Lightweight Directory Access Protocol (LDAP) server intended for use as a part of an identity management solution. The product is made available for multiple platforms including NetWare, Unix-like systems, and Windows. The product includes a web server component that is used for remote administration. The web server listens on port 8008/TCP for HTTP requests and on 8010/TCP for HTTPS requests. A denial of service vulnerability exists in Novell eDirectory server. The flaw is caused by insufficient filtering of HTTP requests that use reserved MS-DOS device names. An attacker can exploit this vulnerability to terminate the Novell eDirectory service. A successful attack exploiting this vulnerability will cause the Novell eDirectory Server process to terminate. All services provided by the vulnerable server, including the LDAP service, will become unavailable until the server is restarted manually. Since the LDAP service is essential for other Novell products to function, the denial-of-service condition can affect services provided by other hosts on the network.

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 R80 / R77 / R75

  1. In the IPS tab, click Protections and find the Novell eDirectory MS-DOS Device Name Denial of Service 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:  Web Server Enforcement Violation.
Attack Information:  Novell eDirectory MS-DOS device name denial of service

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