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Trend Micro Anti-Rootkit Common Module fails to properly restrict access to the "\\.\TmComm" DOS device interface

Vulnerability Note VU#282240

Original Release Date: 2007-02-09 | Last Revised: 2007-03-06


A vulnerability exists in Trend Micro's Anti-Rootkit Common Module that may allow a local attacker to gain elevated privileges.


Trend Micro AntiVirus is a virus scanner for Microsoft Windows and Linux. The Trend Micro Anti-Rootkit Common Module is included with Trend Micro security suites and other anti-virus products.

The IOCTL handlers for the DOS device interface included with Trend Micro's Anti-Rootkit Common Module fails to properly validate permissions. Local users are not properly restricted from accessing fucntionality designed for privileged use on the \\.\TmComm DOS device interface.


A local attacker may be able to execute arbitrary code or overwrite arbitrary memory in the kernel.


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Vendor Information


Trend Micro Affected

Updated:  February 08, 2007



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.


Refer to Trend Micro solution 1034432.

If you have feedback, comments, or additional information about this vulnerability, please send us email.

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This issue is addressed in Trend Micro solution 1034432. Trend Micro credits Ruben Santamarta working with the iDefense Contributor Program for reporting this issue.

This document was written by Chris Taschner.

Other Information

CVE IDs: CVE-2007-0856
Severity Metric: 8.25
Date Public: 2007-02-07
Date First Published: 2007-02-09
Date Last Updated: 2007-03-06 19:32 UTC
Document Revision: 17

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