Trend Micro Personal Firewall service (TmPfw.exe) ApiThread() buffer overflow

tmpfw-apithread-bo (48107) The risk level is classified as HighHigh Risk

Description:

Trend Micro Personal Firewall service (TmPfw.exe) is vulnerable to a heap-based buffer overflow, caused by improper bounds checking by the ApiThread() function when handling packets. By sending a specially-crafted packet containing a small field value to TCP port 40000, a local attacker could overflow a buffer and execute arbitrary code on the system with SYSTEM privileges or cause the application to crash.

*CVSS:

Base Score: 7.2
  Access Vector: Local
  Access Complexity: Low
  Authentication: None
  Confidentiality Impact: Complete
  Integrity Impact: Complete
  Availability Impact: Complete
 
Temporal Score: 5.3
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Gain Access

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 Network Security Component Vulnerabilities.
  • 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-2008-3865: Multiple heap-based buffer overflows in the ApiThread function in the 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, allow remote attackers to execute arbitrary code via a packet with a small value in an unspecified size field.
  • OSVDB ID: 53192: Trend Micro Multiple Products Personal Firewall Service (TmPfw.exe) ApiThread Function Packet Handling Multiple Remote Overflows
  • SA31160: Trend Micro Internet Security Firewall Multiple Vulnerabilities
  • SA33609: Trend Micro OfficeScan Client Firewall Multiple Vulnerabilities
  • SECTRACK ID: 1021614: Trend Micro Internet Security Buffer Overflow Lets Local Users Gain Elevated Privileges
  • SECTRACK ID: 1021615: Trend Micro OfficeScan Buffer Overflow Lets Local Users Gain Elevated Privileges

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

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