Vulnerability Note VU#783748

Overview

Microsoft Windows NT4.0 and Windows 2000 contain a vulnerability that could permit a local user to gain elevated privileges on the system.

Description

Microsoft Windows NT4.0 and Windows 2000 provide an Virtual DOS Machine (VDM) to support 16-bit legacy operations and applications. A vulnerability in the implementation of the VDM may lead to the dereferencing of a NULL pointer. This situation occurs when 16-bit code is executed without first initializing a VDM. For more details, please see Microsoft Security Bulletin MS04-011 and eEye Digital Security Advisory [AD20040413E].

Impact

A local user may be able to gain elevated privileges on the system.

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	-	14 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.eeye.com/html/Research/Advisories/AD20040413E.html
• http://www.microsoft.com/technet/security/bulletin/ms04-011.mspx

Credit

Thanks to Microsoft and eEye Digital Security for reporting this vulnerability.

This document was written by Jason A Rafail.

Other Information

• CVE IDs: CAN-2004-0118
• Date Public: 13 Apr 2004
• Date First Published: 14 Apr 2004
• Date Last Updated: 14 Apr 2004
• Severity Metric: 8.66
• Document Revision: 2