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Microsoft Windows HTML Help component fails to properly validate input data

Vulnerability Note VU#920060

Original Release Date: 2004-07-14 | Last Revised: 2004-07-14

Overview

There is a vulnerability in the HTML Help component of Microsoft Windows that could allow an attacker to execute arbitrary code on an affected system.

Description

Microsoft HTML Help provides a standard help system for the Windows operating system. There is a vulnerability in the way certain input data is processed by the HTML Help component. Exploitation of this vulnerability could allow an attacker to execute code of the attacker's choice if the attacker can convince the victim to view a specially crafted HTML document or click on a specially crafted URL in an HTML email message. For more information, please refer to Microsoft Security Bulletin MS04-023.

According to the Microsoft Security Bulletin, this issue is not related to previous vulnerabilities reported in the Help and Support Center (HSC) that were addressed in MS04-11 and MS04-15.

Impact

By convincing a victim to view a specially crafted HTML document or click on a specially crafted URL in an HTML email message, an attacker could execute arbitrary code on the victim's system.

Solution

Apply patch
Apply a patch as described in Microsoft Security Bulletin MS04-023.

Vendor Information

920060
 
Affected   Unknown   Unaffected

Microsoft Corporation

Updated:  July 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

Please refer to Microsoft Security Bulletin MS04-023.

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

Acknowledgements

This vulnerability was reported by Microsoft. In turn, Microsoft credits Brett Moore of Security-Assessment.com for reporting this vulnerability to them.

This document was written by Damon Morda and based on information provided by Microsoft.

Other Information

CVE IDs: CVE-2004-0201
Severity Metric: 30.38
Date Public: 2004-07-13
Date First Published: 2004-07-14
Date Last Updated: 2004-07-14 14:17 UTC
Document Revision: 14

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