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| From: | X-FORCE | | Date: | 19.03.2004 | | Subject: | ISS Security Brief: Vulnerability in ICQ Parsing in ISS Products |
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Internet Security Systems Security Brief
March 18, 2004
Vulnerability in ICQ Parsing in ISS Products
Synopsis:
A vulnerability was discovered in the ICQ instant messaging protocol
parsing routines of the ISS Protocol Analysis Module (PAM) component.
The PAM module is a shared component of all current ISS host, server,
and network protection software and devices. The flaw relates to
incorrect parsing of the ICQ protocol which may lead to a buffer
overflow condition.
Affected Versions:
RealSecure Network 7.0, XPU 22.11 and before
RealSecure Server Sensor 7.0 XPU 22.11 and before
RealSecure Server Sensor 6.5 for Windows SR 3.10 and before
Proventia A Series XPU 22.11 and before
Proventia G Series XPU 22.11 and before
Proventia M Series XPU 1.9 and before
RealSecure Desktop 7.0 ebl and before
RealSecure Desktop 3.6 ecf and before
RealSecure Guard 3.6 ecf and before
RealSecure Sentry 3.6 ecf and before
BlackICE Agent for Server 3.6 ecf and before
BlackICE PC Protection 3.6 ccf and before
BlackICE Server Protection 3.6 ccf and before
Updates are available from the ISS Download Center:
http://www.iss.net/download/
Impact:
The vulnerability is caused by insufficient size checks on certain
protocol fields in ICQ response data. After examining the nature of
this vulnerability, ISS X-Force believes that exploitation of this
issue is possible. It would not be necessary for ICQ response data to
be part of a legitimate ICQ session to trigger this issue.
For the complete ISS X-Force Security Alert, please visit:
http://xforce.iss.net/xforce/alerts/id/166
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About Internet Security Systems, Inc.
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(R) research and development team - the u
nequivocal 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. For more information, visit the Internet Security
Systems Web site at www.iss.net or call 800-776-2362.
Copyright (c) 2004 Internet Security Systems, Inc. All rights reserved
worldwide.
Permission is hereby granted for the electronic redistribution of this
document. It is not to be edited or altered in any way without the
express written consent of the Internet Security Systems X-Force. If
you wish to reprint the whole or any part of this document in any other
medium excluding electronic media, please email xforceiss.net for
permission.
Disclaimer: The information within this paper 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
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Please send suggestions, updates, and comments to: X-Force
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Internet Security Systems and Proventia are trademarks, and X-Force
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