ISS Protection Brief: Trend Micro AntiVirus Library Heap Overflow

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Internet Security Systems Protection Brief
February 24, 2005

Trend Micro AntiVirus Library Heap Overflow

Summary:

ISS has shipped protection for a flaw X-Force has discovered in Trend Micro
AntiVirus Library. The Trend Micro AntiVirus Library is widely relied upon
to provide antivirus capabilities to desktop, server, and gateway systems.
Also, several large vendors and ISP's implement Trend Micro's AntiVirus
Library in their products. By crafting an ARJ file, an attacker is able to
trigger a heap overflow within the process importing the Trend Micro
AntiVirus Library.

Business Impact:

Compromise of antivirus protected networks and machines may lead to
exposure of confidential information, loss of productivity, and
further network compromise. Successful exploitation of this
vulnerability could be used to gain unauthorized access to networks
and machines being protected by Trend Micro AntiVirus Library product.
Implementations of Trend Micro AntiVirus Library are likely vulnerable
through common protocols, e.g. SMTP, HTTP, FTP. No authentication is
required for an attacker to leverage this vulnerability to compromise
an antivirus protected network or machine. It is likely Trend Micro
AntiVirus Library implementations are vulnerable in their default
configurations.

For the complete X-Force Protection Advisory, please visit:
http://xforce.iss.net/xforce/alerts/id/189

Internet Security Systems, Inc. (ISS) is the trusted expert to global
enterprises and world governments, providing products and services
that protect against Internet threats. An established world leader
in security since 1994, ISS delivers proven cost efficiencies and
reduces regulatory and business risk across the enterprise for
more than 11,000 customers worldwide. ISS products and services
are based on the proactive security intelligence conducted by ISS.
X-Force® research and development team . the unequivocal world
authority in vulnerability and threat research. Headquartered
in Atlanta, Internet Security Systems has additional operations
throughout the Americas, Asia, Australia, Europe and the Middle East.

Copyright (c) 2005 Internet Security Systems, Inc. All rights reserved
worldwide.

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X-Force PGP Key available on MIT's PGP key server and PGP.com's key
server, as well as at http://www.iss.net/security_center/sensitive.php
Please send suggestions, updates, and comments to:
xforceiss.net of Internet Security Systems, Inc.

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