Microsoft Windows Virtual DOS Machine (VDM) contains null pointer dereference

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].

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Impact

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

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Solution

Apply a patch from the vendor

Microsoft Security Bulletin MS04-011 contains patch information to resolve this issue.

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Vendor Information

783748

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Updated: April 14, 2004

Status

Affected

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

Microsoft Security Bulletin MS04-011 contains information regarding this issue.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23783748 Feedback>).

CVSS Metrics

Group	Score	Vector
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References

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

Acknowledgements

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

This document was written by Jason A Rafail.

Other Information

CVE IDs:	CVE-2004-0118
Severity Metric:	8.66 Date Public: