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Trend Micro Anti-Rootkit Common Module fails to properly validate input

Vulnerability Note VU#666800

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


A vulnerability exists in Trend Micro 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 TrendMicro security suites and other AntiVirus products.

The IOCTL handlers for the DOS device interface included with Trend Micro's Anti-Rootkit Common Module fails to properly validate addresses. Local users may be able to pass invalid addresses to the \\.\TmComm DOS device interface and may be able to overwriting arbitrary memory.


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


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Trend Micro has released an update to address this issue.

Vendor Information

Affected   Unknown   Unaffected

Trend Micro

Updated:  February 08, 2007



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.


Refer to Trend Micro solution 1034432.

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 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 19:33 UTC
Document Revision: 15

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