Multiple Trend Micro products TmComm.sys privilege escalation

trendmicro-tmcomm-privilege-escalation (32353) The risk level is classified as HighHigh Risk

Description:

Multiple Trend Micro products could allow a local authenticated attacker to gain elevated privileges, caused by insecure permissions set on the TmComm DOS device interface (TmComm.sys). A local attacker could exploit this vulnerability using IOCTLs to execute arbitrary code or possibly overwrite arbitrary memory addresses with kernel level privileges.

*CVSS:

Base Score: 4.2
  Access Vector: Local
  Access Complexity: Low
  Authentication: Required
  Confidentiality Impact: Complete
  Integrity Impact: Complete
  Availability Impact: Complete
 
Temporal Score: 3.1
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Gain Privileges

Remedy:

Refer to Trend Micro Solution ID: 1034432 for upgrade information. See References.

References:

  • iDefense Labs PUBLIC ADVISORY: 02.07.07: Trend Micro TmComm Local Privilege Escalation Vulnerability.
  • Trend Micro Solution ID: 1034432: [Vulnerability Confirmation] TmComm Local Privilege Escalation Vulnerability.
  • Trend Micro Web site: Home.
  • BID-22448: Trend Micro AntiVirus Scan Engine TMComm Local Privilege Escalation Vulnerability
  • CVE-2007-0856: TmComm.sys 1.5.0.1052 in the Trend Micro Anti-Rootkit Common Module (RCM), with the VsapiNI.sys 3.320.0.1003 scan engine, as used in Trend Micro PC-cillin Internet Security 2007, Antivirus 2007, Anti-Spyware for SMB 3.2 SP1, Anti-Spyware for Consumer 3.5, Anti-Spyware for Enterprise 3.0 SP2, Client / Server / Messaging Security for SMB 3.5, Damage Cleanup Services 3.2, and possibly other products, assigns Everyone write permission for the \\.\TmComm DOS device interface, which allows local users to access privileged IOCTLs and execute arbitrary code or overwrite arbitrary memory in the kernel context.
  • OSVDB ID: 33039: Trend Micro Multiple Products TmComm.sys IOCTL Handler Local Privilege Escalation
  • SA24069: Trend Micro Products IOCTL Handler Privilege Escalation
  • SECTRACK ID: 1017604: PC-cillin Unsafe `TmComm.sys` Driver Permissions Let Local Users Gain Elevated Privileges
  • SECTRACK ID: 1017605: Trend Micro Antivirus Unsafe `TmComm.sys` Driver Permissions Let Local Users Gain Elevated Privileges
  • SECTRACK ID: 1017606: Trend Micro Anti-Spyware Unsafe `TmComm.sys` Driver Permissions Let Local Users Gain Elevated Privileges
  • US-CERT VU#282240: Trend Micro Anti-Rootkit Common Module fails to properly restrict access to the "\\.\TmComm" DOS device interface
  • US-CERT VU#666800: Trend Micro Anti-Rootkit Common Module fails to properly validate input
  • VUPEN/ADV-2007-0521: Trend Micro TmComm.sys IOCTL Handlers Local Privilege Escalation Vulnerability

Platforms Affected:

  • Trend Micro Anti-Spyware for Consumer 3.5
  • Trend Micro Anti-Spyware for Enterprise 3.0 SP2
  • Trend Micro Anti-Spyware for SMB 3.2 SP1
  • Trend Micro Antivirus 2007
  • Trend Micro Client Server Messaging Security SMB 3.5
  • Trend Micro Damage Cleanup Services 3.2
  • Trend Micro PC-cillin Internet Security 2007

Reported:

Feb 07, 2007

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