Trend Micro InterScan Messaging Security Suite (IMSS) ISNTSmtp insecure directory permissions

imss-isntsmtp-directory-permissions (25415) The risk level is classified as MediumMedium Risk

Description:

Trend Micro InterScan Messaging Security Suite (IMSS) could allow a local attacker to gain elevated privileges. The ISNTSmtp directory is created with insecure permissions. A local attacker could exploit this vulnerability by replacing .exe files within the directory with Trojans, which could allow the attacker to execute arbitrary code with elevated privileges when the system is restarted or when another user logs on.

Platforms Affected:

  • Trend Micro, InterScan Messaging Security Suite 5.5 build 1183

Remedy:

Upgrade to the latest versions of InterScan Messaging Security Suite (5.7.0.11121 or later), available from the InterScan Messaging Security Suite Web site. See References.

Consequences:

Gain Privileges

References:

  • InterScan Messaging Security Suite Web site, InterScan Messaging Security Suite at http://www.trendmicro.com/en/products/gateway/ismss/evaluate/overview.htm.
  • CVE-2006-1380: ISNTSmtp directory in Trend Micro InterScan Messaging Security Suite (IMSS) 5.5 build 1183 and possibly other versions before 5.7.0.1121, uses insecure DACLs for critical files, which allows local users to gain SYSTEM privileges by modifying ISNTSysMonitor.exe.
  • CVE-2006-1381: Trend Micro OfficeScan 5.5, and probably other versions before 6.5, uses insecure DACLs for critical files, which allows local users to gain SYSTEM privileges by modifying tmlisten.exe.
  • SA11576: Trend Micro OfficeScan Insecure Registry Key and Directory Permissions
  • SA19022: InterScan Messaging Security Suite Insecure Default Directory Permissions
  • VUPEN/ADV-2006-1041: Trend Micro InterScan Messaging ISNTSmtp Directory Insecure Permissions

Reported:

Mar 22, 2006

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