Check Point Advisories

Trend Micro InterScan Messaging Security modTMCSS Command Injection (CVE-2017-11391; CVE-2017-11394)

Check Point Reference: CPAI-2017-0919
Date Published: 7 Nov 2017
Severity: Critical
Last Updated: 31 Dec 2017
Source: Trend Micro
Industry Reference:CVE-2017-11391
CVE-2017-11394
Protection Provided by:

Security Gateway
R80, R77, R76, R75

Who is Vulnerable? Trend Micro InterScan Messaging Security (Virtual Appliance) 9.0 prior to 9.0 CP 1629
Trend Micro InterScan Messaging Security (Virtual Appliance) 9.1 prior to 9.1 CP 1675
Trend Micro OfficeScan 11 and XG (12)
Vulnerability Description A command injection vulnerability exists in Trend Micro InterScan Messaging Security virtual appliance. The vulnerability is due to improper validation of request parameters within the modTMCSS Proxy functionality. A remote, authenticated attacker could exploit the vulnerability by sending a crafted request to the vulnerable system.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update.For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R80 / R77 / R76 / R75

  1. In the IPS tab, click Protections and find the Trend Micro InterScan Messaging Security modTMCSS Command Injection protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

This protection's log will contain the following information:

Attack Name:  Trend Micro ServerProtect Protection Violation.
Attack Information:  Trend Micro InterScan Messaging Security modTMCSS Command Injection

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