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DHTML Edit Control for IE5 allows local files to be uploaded to web server

Vulnerability Note VU#39965

Original Release Date: 2002-10-01 | Last Revised: 2002-10-16


A vulnerability exists in the DHTML Edit Control for IE5 that allows arbitrary local files to be uploaded to a web server.


DHTML Edit is an activex control that is marked safe-for-scripting. This control can be embedded in a website, and permit local files to be remotely uploaded to the malicious server, if the file location is known. The ClassID of the vulnerable dhtmled.ocx activex control is {2D360201-FFF5-11D1-8D03-00A0C959BC0A}.

According to the Microsoft Security Bulletin:

- Microsoft Internet Explorer 5 on Windows 95, Windows 98, and Windows NT 4.0 are affected.
- Microsoft Internet Explorer 5 on other platforms is not affected.
- Microsoft Internet Explorer 4.0 on Windows 95, Windows 98 and the x86 version of Windows NT 4.0 are affected.
- Microsoft Internet Explorer 4.0 on other platforms, including the Alpha version of Windows NT 4.0, is not affected.


Attacker can upload files with known names from the local hard drive to the server, and can read information that user supplies to the control.


Apply the patch from Microsoft's Security Bulletin MS99-011. The patch changes control to restrict actions based on the domain.

Vendor Information

Affected   Unknown   Unaffected

Microsoft Corporation

Updated:  September 30, 2002



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.


Please see Microsoft's Security Bulletin MS99-011.

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



This vulnerability was reported to Microsoft by Juan Carlos Cuartango of Spain.

This document was written by Jason A Rafail.

Other Information

CVE IDs: CVE-1999-0487
Severity Metric: 1.98
Date Public: 1999-04-21
Date First Published: 2002-10-01
Date Last Updated: 2002-10-16 19:00 UTC
Document Revision: 13

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