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Microsoft Windows fails to properly create entries in the Local Descriptor Table (LDT)

Vulnerability Note VU#122076

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

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 API to the kernel to create Local Descriptor Tables (LDT) for applications. A failure to filter content in the programming interface could permit an attacker to access and modify protected memory space. This could result in the attacker gaining elevated privileges. The vulnerable function in the API is NtSetLdtEntries. For more details, please see Microsoft Security Bulletin MS04-011 and eEye Digital Security Advisory [AD20040413D].

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.

Vendor Information

122076
 
Affected   Unknown   Unaffected

Microsoft Corporation

Updated:  April 14, 2004

Status

  Vulnerable

Vendor Statement

No statement is currently available from the vendor regarding this vulnerability.

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.


CVSS Metrics

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

References

Credit

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

This document was written by Jason A Rafail.

Other Information

CVE IDs: CVE-2003-0910
Severity Metric: 9.06
Date Public: 2004-04-13
Date First Published: 2004-04-14
Date Last Updated: 2004-04-14 14:18 UTC
Document Revision: 3

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