Vulnerability Note VU#639428

Overview

A vulnerability exists in the Lightweight Directory Access Protocol (LDAP) message processing of the Windows 2000 domain controller. An attacker may be able to cause a denial-of-service condition to the vulnerable Active Directory domain.

Description

A vulnerability exists in the processing of Lightweight Directory Access Protocol (LDAP) messages by the Windows 2000 domain controller. An attacker may be able send a crafted LDAP message to the vulnerable system and stop the authentication service for the Active Directory domain to stop.

Impact

A remote attacker may be able to stop the authentication service, causing a denial-of-service condition for the Active Directory domain.

Solution

Apply a patch from the vendor Microsoft Security Bulletin MS04-011 contains patch information to resolve this issue.

Systems Affected (Learn More)

Vendor	Status	Date Notified	Date Updated
Microsoft Corporation	Affected	-	13 Apr 2004

If you are a vendor and your product is affected, let us know.

CVSS Metrics (Learn More)

Group	Score	Vector
Base	N/A	N/A
Temporal	N/A	N/A
Environmental	N/A	N/A

References

• http://www.microsoft.com/technet/security/bulletin/ms04-011.mspx

Credit

Thanks to Microsoft for reporting this vulnerability.

This document was written by Jason A Rafail.

Other Information

• CVE IDs: CAN-2003-0663
• Date Public: 13 Apr 2004
• Date First Published: 13 Apr 2004
• Date Last Updated: 13 Apr 2004
• Severity Metric: 4.94
• Document Revision: 2