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Zone Labs Security Alert ZL05-01
Zone Labs IPC Instability

Date Published                  February 11, 2005
Date Last Revised               February 11, 2005

Severity                        Low

Overview
- --------
The ZoneAlarm family of products and Check Point Integrity
have been updated to address a low risk vulnerability in
their Inter-Process Communication (IPC) functions.

Impact
- ------
A local user could cause the system to lock. This
vulnerability requires local access to the system --
remote attackers cannot use this vulnerability to attack
an affected system.

This issue presents no other risks to the computer user.

Affected Products
   * ZoneAlarm Security Suite, ZoneAlarm Pro, ZoneAlarm,
     Check Point Integrity Clients

Unaffected Products
   * No other Zone Labs products are affected by this issue

Description
- -----------
ZoneAlarm Security Suite, ZoneAlarm Pro, ZoneAlarm and
Check Point Integrity monitor specific IPC messages. Using
specially crafted code, it is possible to cause the software
or system to lock. This vulnerability requires local system
access -- remote attackers cannot use this vulnerability to
attack an affected system.

This vulnerability is resolved in versions:

    * Check Point Integrity Client versions 4.5.122.000 and
      5.1.556.166

    * ZoneAlarm Security Suite, ZoneAlarm Pro, ZoneAlarm,
      ZoneAlarm with Antivirus version 5.5.062.011

    * ZoneAlarm Wireless verion 5.5.080.000

Users configured to receive automatic product updates have
received this update automatically. Users configured to
receive manual updates should use the Check For Update
option -- see the "Recommended Actions" section below.

Recommended Actions
- -------------------
Check Point Integrity

Check Point Integrity administrators can upgrade to Check
Point Integrity Client version 4.5.122.000 or 5.1.556.166
to resolve this issue.


Recommended Actions
- -------------------
ZoneAlarm family

ZoneAlarm Security Suite, ZoneAlarm Pro and ZoneAlarm users
with automatic updates enabled have received the patch
through a product update.

Users with automatic updates:
You receive the update automatically. No further action is
required.

Users with manual updates:
To manually update your Zone Labs software:

   1. Select Overview | Preferences.

   2. In the Check For Update section, click Check For
      Update.

   3. If neccesary, follow the instructions to update your
      software.

Related Resources
- -----------------
   * Zone Labs Security Response Center:
http://www.zonelabs.com/security 

   * Zone Labs Security Alert ZL05-01:
http://download.zonelabs.com/bin/free/securityAlert/19.html 

Acknowledgments
- ---------------
This issue was originally reported by iDEFENSE.

Contact
- -------
Zone Labs customers may direct vulnerability concerns or
additional technical questions to Technical Support:
http://www.zonelabs.com/support/ 

To report security issues with Zone Labs products contact:
security@zonelabs.com 

Disclaimer
- ----------
The information in the advisory is believed to be accurate
at the time of publishing based on currently available
information. Use of the information constitutes acceptance
for use in an AS IS condition. There are no warranties with
regard to this information. Neither the author nor the
publisher accepts any liability for any direct, indirect,
or consequential loss or damage arising from use of, or
reliance on, this information. Zone Labs and Zone Labs
products, are registered trademarks of Zone Labs, LLC.
and/or affiliated companies in the United States and other
countries. All other registered and unregistered trademarks
represented in this document are the sole property of their
respective companies/owners.

Copyright
- ---------
(C) 2005 Zone Labs LLC. All rights reserved. Zone Labs,
TrueVector, ZoneAlarm, and Cooperative Enforcement are
registered trademarks of Zone Labs LLC. The Zone Labs logo,
and IMsecure are trademarks of Zone Labs, Inc. Zone Labs
Integrity protected under U.S. Patent No. 5,987,611. Reg.
U.S. Pat. & TM Off.. All other trademarks are the property
of their respective owners.

Any reproduction of this alert other than as an unmodified
copy of this file requires authorization from Zone Labs.
Permission to electronically redistribute this alert in
its unmodified form is granted. All other rights, including
the use of other media, are reserved by Zone Labs, a
division of Check Point.

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