Microsoft Windows creates COM object identifiers incorrectly

Overview

A vulnerability exists in Microsoft’s COM object component. Explotiation of this vulnerability may lead to information disclosure and the ability for an attacker to open services on network communication ports.

Description

Microsoft’s (COM) object component creates object identifiers in a way that may disclose information about a system. This information may then be used to permit applications to open and communicate over ports that were not previously open. This vulnerability affects the following systems:

* Windows NT Workstation 4.0
* Windows NT Server 4.0
* Windows NT Server 4.0, Terminal Server Edition
* Windows 2000
* Windows XP
* Windows Server 2003  

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Impact

An attacker may be able to have application enable network communication through alternate or unexpected communication ports. This could potentially allow services to communicate on ports that are not filtered or protected by the systems security policy.

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Solution

Apply a patch from the vendor
Microsoft Security Bulletin MS04-012 contains patch information to resolve this issue.

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Vendor Information

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Updated: April 13, 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 MS04-012 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%23212892 Feedback>).

CVSS Metrics

Group	Score	Vector
Base
Temporal
Environmental

References

<http://www.microsoft.com/technet/security/bulletin/ms04-012.mspx&gt;

Acknowledgements

The Microsoft Security Bulletin credits Todd Sabin of BindView for reporting this vulnerability.

This document was written by Jason A Rafail.

Other Information

CVE IDs:	CVE-2004-0124
Severity Metric:	11.39 Date Public: