Trend Micro NSC modules TmPfw.exe security bypass

nsc-tmpfw-security-bypass (48108) The risk level is classified as MediumMedium Risk

Description:

Trend Micro Network Security Component (NSC) modules could allow a local attacker to bypass security restrictions, caused by a missing password check in the Trend Micro Personal Firewall service (TmPfw.exe). By sending a specially-crafted packet to TCP port 40000, a local attacker could exploit this vulnerability to bypass security restrictions to modify firewall settings without requiring password authentication.

*CVSS:

Base Score: 4.6
  Access Vector: Local
  Access Complexity: Low
  Authentication: None
  Confidentiality Impact: Partial
  Integrity Impact: Partial
  Availability Impact: Partial
 
Temporal Score: 3.4
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Bypass Security

Remedy:

For Trend Micro OfficeScan 8.0:
Apply the patch for this vulnerability (8.0_SP1_Patch1_CriticalPatch), available from the Trend Micro Web site. See References.

References:

  • Secunia Research 20/01/2009 : Trend Micro NSC Firewall Configuration Vulnerability.
  • Trend Micro Web site: Antivirus & Content Security Software | Securing Your Web World - Trend Micro USA.
  • BID-33358: Trend Micro Multiple Products Network Security Component Modules Multiple Vulnerabilities
  • CVE-2008-3866: The Trend Micro Personal Firewall service (aka TmPfw.exe) in Trend Micro Network Security Component (NSC) modules, as used in Trend Micro OfficeScan 8.0 SP1 Patch 1 and Internet Security 2007 and 2008 17.0.1224, relies on client-side password protection implemented in the configuration GUI, which allows local users to bypass intended access restrictions and change firewall settings by using a modified client to send crafted packets.
  • OSVDB ID: 53193: Trend Micro Multiple Products NSC Module Personal Firewall Service (TmPfw.exe) Client-side Password Bypass
  • SA31160: Trend Micro Internet Security Firewall Multiple Vulnerabilities
  • SA33609: Trend Micro OfficeScan Client Firewall Multiple Vulnerabilities
  • SECTRACK ID: 1021616: Trend Micro Internet Security Lets Local Users Modify the Firewall Configuration
  • SECTRACK ID: 1021617: Trend Micro OfficeScan Lets Local Users Modify the Firewall Configuration

Platforms Affected:

  • Trend Micro OfficeScan 8.0 SP1 Patch 1
  • Trend Micro PC-cillin Internet Security 2007
  • Trend Micro PC-cillin Internet Security 2008 17.0.1224

Reported:

Jan 20, 2009

The information within this database 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 (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

For corrections or additions please email ignore thisxforceignore this@ignore thisus.ignore thisibm.comignore this

Return to the main page

* According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
The information within this database 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 IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

About IBM Security Systems

IBM Security Systems include an extensive portfolio of hardware, software solutions, professional and managed services offerings covering the spectrum of IT and business security risks: people and identity, data and information, application and process, network, server and endpoint and physical infrastructure, empowering clients to innovate and operate their businesses on the most secure infrastructure platforms. Through world-class solutions that address risk across the enterprise, IBM helps organizations build a strong security posture that helps reduce costs, improve service, and manage risk. IBM X-Force(R) Research and Development is one of the most renowned commercial security research and development groups in the world. For more information on how to address today's biggest risks, please visit us at ibm.com/security.