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Advantech Switch Bash Environment Variable Code Injection (Shellshock)

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Advantech Switch Bash Environment Variable Code Injection (Shellshock)

Disclosed
12/01/2015
Created
05/30/2018

Description

This module exploits the Shellshock vulnerability, a flaw in how the Bash shell handles external environment variables. This module targets the 'ping.sh' CGI script, accessible through the Boa web server on Advantech switches. This module was tested against firmware version 1322_D1.98.

Author(s)

  • hdm <x@hdm.io>

Platform

Unix

Architectures

cmd

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/linux/http/advantech_switch_bash_env_exec
msf exploit(advantech_switch_bash_env_exec) > show targets
    ...targets...
msf exploit(advantech_switch_bash_env_exec) > set TARGET < target-id >
msf exploit(advantech_switch_bash_env_exec) > show options
    ...show and set options...
msf exploit(advantech_switch_bash_env_exec) > exploit

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