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Different Claims by ZoneLabs on the "Bypassing PersonalFirewall (Zone Alarm Pro) Using DDE-IPC" issue
From: "Debasis Mohanty" <mail () hackingspirits com>
Date: Sun, 2 Oct 2005 03:00:50 +0530

Note: 
This respose is especially towards Zone Labs Advisory on "Bypassing
PersonalFirewall (Zone Alarm Pro) Using DDE-IPC" issue. 


Hi,
In your advisory
(http://download.zonelabs.com/bin/free/securityAlert/35.html) regarding this
issue, you have mentioned that only the Free Version of ZA is vulnerable and
ZA Pro is in the un-affected list. Without downplaying your advisory on this
issue, I want to confirm that I have tested this for ZA Pro 3.7.159 and
found vulnerable. Although the current version (6.0) is not vulnerable. 

IMHO It will be a big mistake to conscider all versions of Zone Alarm Pro is
un-affected. ZoneLabs advisory on this is only valid for the current version
(6.0) of ZA Pro which I have tested and found it to be unaffected. 

There are many who uses previous versions of ZA Pro (3x, 4x, 5x) and the
Zone Labs advisory seems to be covering the issue by saying that ZA Pro is
un-affected (**subjective statement**). I am not making any accusition, it
might be a mistake but defenitely needs to be addressed in the advisory. I
can keep silent on this issue and so as you but then it is very important
that the users of previous version must know that they are prone to such
attacks. 

Besides this, I just came across the news @ news.com where as per the news
Zone Labs have given a different statement - 
http://news.com.com/Malicious+code+could+trick+ZoneAlarm+firewall/2100-1002_
3-5886488.html

<news @ news.com>
The issue affects the popular free ZoneAlarm firewall and default
installations of version 5.5 and earlier of the paid product, maker Zone
Labs said in a security advisory on Thursday. Default installations of the
Check Point Integrity Client are also affected, but the paid ZoneAlarm 6.0
products, released in July, are not, Zone Labs said.

Click on the above link to read more...
</news @ news.com>

Well, the statement given to news.com by Zone Labs seems to be contradicting
your own advisory. As per the statement to news.com -> 
The affected versions are : 
free ZoneAlarm firewall and 
default installations of version 5.5 and 
earlier of the paid product
Default installations of the Check Point Integrity Client are also affected

This statement contradicts the advisory released by you....I can see a huge
gap between the statement and advisory....


Request you to clarify and update the advisory if there is a mistake. Incase
you require more info from me then feel free to mail. 


Thanks & Regds...
Tr0y (aka Debasis Mohanty)
www.hackingspirits.com 



-----Original Message-----
From: full-disclosure-bounces () lists grok org uk
[mailto:full-disclosure-bounces () lists grok org uk] On Behalf Of Zone Labs
Security Team
Sent: Friday, September 30, 2005 5:13 AM
To: bugtraq () securityfocus com; full-disclosure () lists grok org uk
Subject: [Full-disclosure] Zone Labs response to "Bypassing PersonalFirewall
(Zone Alarm Pro) Using DDE-IPC"

Zone Labs response to "Bypassing Personal Firewall (Zone Alarm Pro) Using
DDE-IPC"

Overview: 

Debasis Mohanty published a notice about a potential security issue with
personal firewalls to several security email lists on 
September 28th, 2005.   Zone Labs has investigated his claims 
and has determined that current versions of Zone Labs and Check Point
end-point security products are not vulnerable.


Description: 

The proof-of-concept code published uses the Windows API function
ShellExecute() to launch a trusted program that is used to access the
network on behalf of the untrusted program, thereby accessing the network
without warning from the firewall.


Impact: 

If successfully exploited, a malicious program may be able to 
access the network via a trusted program.   The ability to 
access the network would be limited to the functionality of the trusted
program.


Unaffected Products: 

ZoneAlarm Pro, ZoneAlarm AntiVirus, ZoneAlarm Wireless Security, 
and ZoneAlarm Security Suite version 6.0 or later automatically 
protect against this attack in the default configuration.

ZoneAlarm Pro, ZoneAlarm AntiVirus, ZoneAlarm Wireless Security, 
and ZoneAlarm Security Suite version 5.5 are protected against 
this attack by enabling the "Advanced Program Control" feature.

Check Point Integrity client versions 6.0 and 5.5 are protected 
against this attack by enabling the "Advanced Program Control" feature. 


Affected Products:

ZoneAlarm free versions lack the "Advanced Program Control"
feature and are therefore unable to prevent this bypass technique.


Recommended Actions:

Subscribers should upgrade to the latest version of their 
ZoneAlarm product or enable the "Advanced Program Control" feature.


Related Resources:

Zone Labs Security Services http://www.zonelabs.com/security 


Contact: 

Zone Labs customers who are concerned about this vulnerability or 
have additional technical questions may reach our Technical Support 
group at: http://www.zonelabs.com/support/. 

To report security issues with Zone Labs products contact 
security () zonelabs com  Note that any other matters sent to this 
email address will not receive a response.


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, Check Point 
Integrity and IMsecure are trademarks of Zone Labs, LLC. Check Point 
Integrity protected under U.S. Patent No. 5,987,611. Reg. U.S. Pat. 
& TM Off. Cooperative Enforcement is a service mark of Zone Labs LLC. 
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 LLC.
_______________________________________________
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Charter: http://lists.grok.org.uk/full-disclosure-charter.html
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_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/


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