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Trend Micro OfficeScan Remote Code Execution

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Trend Micro OfficeScan Remote Code Execution

Disclosed
10/07/2017
Created
05/30/2018

Description

This module exploits the authentication bypass and command injection vulnerability together. Unauthenticated users can execute a terminal command under the context of the web server user. The specific flaw exists within the management interface, which listens on TCP port 443 by default. The Trend Micro Officescan product has a widget feature which is implemented with PHP. Talker.php takes ack and hash parameters but doesn't validate these values, which leads to an authentication bypass for the widget. Proxy.php files under the mod TMCSS folder take multiple parameters but the process does not properly validate a user-supplied string before using it to execute a system call. Due to combination of these vulnerabilities, unauthenticated users can execute a terminal command under the context of the web server user.

Author(s)

  • mr_me <mr_me@offensive-security.com>
  • Mehmet Ince <mehmet@mehmetince.net>

Platform

Windows

Architectures

x86, x64

Development

Module Options

To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':

msf > use exploit/windows/http/trendmicro_officescan_widget_exec
msf exploit(trendmicro_officescan_widget_exec) > show targets
    ...targets...
msf exploit(trendmicro_officescan_widget_exec) > set TARGET < target-id >
msf exploit(trendmicro_officescan_widget_exec) > show options
    ...show and set options...
msf exploit(trendmicro_officescan_widget_exec) > exploit

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