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Microsoft Windows 2000 LSASS fails to properly handle certain LDAP messages

Vulnerability Note VU#639428

Original Release Date: 2004-04-14 | Last Revised: 2004-04-14

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.

Vendor Information

639428
 

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References

Acknowledgements

Thanks to Microsoft for reporting this vulnerability.

This document was written by Jason A Rafail.

Other Information

CVE IDs: CVE-2003-0663
Severity Metric: 4.94
Date Public: 2004-04-13
Date First Published: 2004-04-14
Date Last Updated: 2004-04-14 01:56 UTC
Document Revision: 2

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