Microsoft Windows 2000 Indexing Services enumerates local file locations via ixsso.query ActiveX object

Overview

Index Server 2.0 and the Indexing Service 3.0 contain a vulnerability that may allow remote intruders to gain information about files on the local computer.

Description

Index Server 2.0 and Indexing Service 3.0 are services that allow information about local files to be queried via a web interface. Normally, this capability would only be available through the server, but the software includes an ActiveX control that is incorrectly marked safe-for-scripting. As a result, an remote attacker could gain information about files on a user’s comuter when they view a malicious web page. The indexing service does not need to be running for the attacker to use the ActiveX control.

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Impact

When a user views a malicious web page that invokes the vulnerable control, the web page author may be able to gain information about files on the victim’s computer. This information includes the names and properties of existing files. If the indexing server is also running, the attacker may be able to gain information about which files contain attacker selected keywords.

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Solution

Apply a Patch

Microsoft has published patches correcting this vulnerability. The patches are listed in their advisory at:

<http://www.microsoft.com/technet/security/bulletin/ms00-098.asp&gt;

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Vendor Information

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Updated: July 16, 2002

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 has published a security bulletin describing this vulnerability:

<http://www.microsoft.com/technet/security/bulletin/ms00-098.asp&gt;

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23829845 Feedback>).

CVSS Metrics

Group	Score	Vector
Base
Temporal
Environmental

References

• <http://www.microsoft.com/technet/security/bulletin/ms00-098.asp&gt;
• <http://www.securityfocus.com/bid/1933&gt;
• <http://www.guninski.com/indexserv1-desc.html&gt;

Acknowledgements

Georgi Guninski discovered this vulnerability.

This document was written by Cory F. Cohen.

Other Information

CVE IDs:	CVE-2000-1105
Severity Metric:	8.10 Date Public: