From: X-Force (xforceiss.net)
Date: Wed Mar 22 2006 - 12:54:50 CST

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Internet Security Systems Protection Advisory
March 22, 2006

Sendmail Remote Signal Handling Vulnerability

Summary:

ISS has shipped protection for a flaw X-Force has discovered in
the Sendmail server software. By sending malicious data at certain
time intervals, it is possible for a remote attacker to corrupt arbitrary
stack memory and gain control of the affected host.

Business Impact:

Compromise of networks and machines using affected versions of Sendmail
may lead to exposure of confidential information, loss of productivity,
and further network compromise. An attacker does not need to entice any
kind of user interaction to trigger this vulnerability.
Successful exploitation would grant an attacker the privileges that the
sendmail server daemon is running with.

______

About Internet Security Systems, Inc.
Internet Security Systems, Inc. (ISS) is the trusted security advisor
to thousands of the world.s leading businesses and governments,
providing preemptive protection for networks, desktops and
servers. An established leader in security since 1994, ISS.
integrated security platform automatically protects against both
known and unknown threats, keeping networks up and running and
shielding customers from online attacks before they impact business
assets. ISS products and services are based on the proactive
security intelligence of its X-Force® research and development
team . the unequivocal world authority in vulnerability
and threat research. ISS. product line is also complemented
by comprehensive Managed Security Services. For more information,
visit the Internet Security Systems Web site at www.iss.net
or call 800-776-2362.

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

This document is not to be edited or altered in any way without the
express written consent of Internet Security Systems, Inc. If you wish
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accordance with the fair use doctrine of the U.S. copyright laws.

Disclaimer: The information within this document may change without notice.
Use of this information constitutes acceptance for use in an AS IS
condition. There are NO warranties, implied or otherwise, with regard to
this information or its use. Any use of this information is at the
user's risk. In no event shall the author/distributor (Internet Security
Systems X-Force) be held liable for any damages whatsoever arising out
of or in connection with the use or spread of this information.

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Please send suggestions, updates, and comments to: X-Force
xforceiss.net of Internet Security Systems, Inc.

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