full-disclosure - Secunia Research: Trend Micro NSC Firewall Configuration Vulnerability

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Date: Tue, 20 Jan 2009 15:06:59 +0100
From: Secunia Research <remove-vuln@...unia.com>
To: full-disclosure@...ts.grok.org.uk
Subject: Secunia Research: Trend Micro NSC Firewall
	Configuration Vulnerability

====================================================================== 

                     Secunia Research 20/01/2009

             - Trend Micro Network Security Component -
              - Firewall Configuration Vulnerability -

====================================================================== 
Table of Contents

Affected Software....................................................1
Severity.............................................................2
Vendor's Description of Software.....................................3
Description of Vulnerability.........................................4
Solution.............................................................5
Time Table...........................................................6
Credits..............................................................7
References...........................................................8
About Secunia........................................................9
Verification........................................................10

====================================================================== 
1) Affected Software 

* Trend Micro Internet Security 2007
* Trend Micro Internet Security 2008 17.0.1224
* Trend Micro OfficeScan 8.0 SP1 Patch 1

NOTE: Other versions may also be affected.

====================================================================== 
2) Severity 

Rating: Less critical
Impact: Security bypass
Where:  Local system

====================================================================== 
3) Vendor's Description of Software 

"Trend Micro Internet Security provides smart, up-to-date protection
for your home network against present and future threats without
slowing down your PC.".

Product Link:
http://us.trendmicro.com/us/products/personal/internet-security/

====================================================================== 
4) Description of Vulnerability

Secunia Research has discovered a vulnerability in Trend Micro Network
Security Component (NSC) modules as bundled with various products. 
This can be exploited by malicious, local users to manipulate firewall
settings regardless of configured security settings.

Trend Micro Internet Security includes a management interface for 
users to configure e.g. the firewall settings. To prevent any user 
from changing the settings, password restriction can be enabled.

However, the password check is implemented in the configuration GUI 
and not in the Trend Micro Personal Firewall service (TmPfw.exe). 
This can be exploited to manipulate the firewall settings regardless 
of whether password restriction is enabled by sending specially 
crafted packets to the service listening on port 40000/TCP.

====================================================================== 
5) Solution 

Apply patch for OfficeScan 8.0 SP1 Patch 1.

A fix for Trend Micro Internet Security should be available shortly.

====================================================================== 
6) Time Table 

22/10/2008 - Vendor notified.
22/10/2008 - Vendor response.
14/12/2008 - Vendor provides hotfix for testing.
19/12/2008 - Vendor informed that hotfix fixes vulnerabilities.
18/01/2009 - Vendor issues fix for OfficeScan 8.0 SP1 Patch 1.
20/01/2009 - Public disclosure.

====================================================================== 
7) Credits 

Discovered by Carsten Eiram, Secunia Research.

====================================================================== 
8) References

The Common Vulnerabilities and Exposures (CVE) project has assigned 
CVE-2008-3866 for the vulnerability.

Trend Micro:
http://www.trendmicro.com/ftp/documentation/readme/
OSCE8.0_SP1_Patch1_CriticalPatch_3191_Readme.txt

====================================================================== 
9) About Secunia

Secunia offers vulnerability management solutions to corporate
customers with verified and reliable vulnerability intelligence
relevant to their specific system configuration:

http://secunia.com/advisories/business_solutions/

Secunia also provides a publicly accessible and comprehensive advisory


database as a service to the security community and private 
individuals, who are interested in or concerned about IT-security.

http://secunia.com/advisories/

Secunia believes that it is important to support the community and to
do active vulnerability research in order to aid improving the 
security and reliability of software in general:

http://secunia.com/secunia_research/

Secunia regularly hires new skilled team members. Check the URL below
to see currently vacant positions:

http://secunia.com/corporate/jobs/

Secunia offers a FREE mailing list called Secunia Security Advisories:

http://secunia.com/advisories/mailing_lists/

====================================================================== 
10) Verification 

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2008-43/

Complete list of vulnerability reports published by Secunia Research:
http://secunia.com/secunia_research/

======================================================================

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