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Category:   Application (Firewall)  >   Trend Micro Internet Security Vendors:   Trend Micro
Trend Micro Internet Security Buffer Overflow Lets Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1021614
SecurityTracker URL:  http://securitytracker.com/id/1021614
CVE Reference:   CVE-2008-3864, CVE-2008-3865   (Links to External Site)
Date:  Jan 21 2009
Impact:   Denial of service via local system, Execution of arbitrary code via local system, Root access via local system
Vendor Confirmed:  Yes  
Version(s): 2007, 2008 17.0.1224
Description:   Two vulnerabilities were reported in Trend Micro Internet Security. A local user can gain elevated privileges. A local user can cause denial of service conditions.

A local user can send specially crafted data to the target firewall service (TmPfw.exe) to trigger a heap overflow and execute arbitrary code on the target system [CVE-2008-3865]. The code will run with System level privileges.

A local user send specially crafted data to the target firewall service (TmPfw.exe) to cause the target service to crash [CVE-2008-3864].

The vendor was notified on October 17, 2008.

Carsten Eiram of Secunia Research reported this vulnerability.

Impact:   A local user can gain System privileges on the target system.

A local user can cause the firewall to crash.

Solution:   No solution was available at the time of this entry. The vendor is working on a fix.
Vendor URL:  www.trendmicro.com/ (Links to External Site)
Cause:   Boundary error, Input validation error
Underlying OS:   Windows (Any)

Message History:   None.


 Source Message Contents

Date:  Tue, 20 Jan 2009 15:06:41 +0100
Subject:  Secunia Research: Trend Micro Network Security Component Vulnerabilities

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

                     Secunia Research 20/01/2009

     - Trend Micro Network Security Component Vulnerabilities -

====================================================================== 
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: Denial of Service
	Privilege Escalation
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 vulnerabilities in Trend Micro Network
Security Component (NSC) modules as bundled with various products. 
These can be exploited by malicious, local users to cause a DoS 
(Denial of Service) or potentially gain escalated privileges.

1) Input validation errors exist in the firewall service (TmPfw.exe) 
within the "ApiThread()" function when processing packets sent to the 
service (by default port 40000/TCP). These can be exploited to cause 
heap-based buffer overflows via specially crafted packets containing a
small value in a size field.

Successful exploitation may allow execution of arbitrary code with
SYSTEM privileges.

2) Input validation errors exist in the firewall service (TmPfw.exe) 
within the "ApiThread()" function when processing packets sent to the
service (by default port 40000/TCP). These can be exploited to crash 
the service via specially crafted packets containing an overly large 
value in a size field.

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

17/10/2008 - Vendor notified.
18/10/2008 - 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 
the following CVE identifiers:

* CVE-2008-3864 (DoS via large size value)
* CVE-2008-3865 (buffer overflow)

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/2008-42/

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

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

 
 


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