TMA-ORACLE-DB-6.2.1

Ensure 'DBA' Is Revoked from Unauthorized 'GRANTEE'

VisokaNivo 1Automatskaoracle-db

Opis

The DBA role provides full administrative privileges over the database, allowing grantees to perform any operation. Unauthorized users with this role can access and modify critical database configurations and objects. Counts non-Oracle-maintained users and roles holding the privilege directly or through a role chain (CDB_SYS_PRIVS / CDB_ROLE_PRIVS); 0 is required, so every approved grantee must be reviewed and documented as an exception. Run on the database host as the Oracle software owner with ORACLE_HOME, ORACLE_SID and PATH set; connects to the CDB root with 'sqlplus -S / as sysdba' (OS authentication) so CDB_/GV$ views cover all open PDBs.

Kako se proverava

Metod provere: SQL upit

sql_query

out=$(sqlplus -S -L / as sysdba 2>/dev/null <<'EOF'
whenever sqlerror exit failure
set heading off feedback off pagesize 0 verify off echo off trimspool on define off
with nm as (
  select role as grantee from cdb_roles where oracle_maintained = 'N'
  union select username from cdb_users where oracle_maintained = 'N'
),
direct_privs as (select grantee from cdb_role_privs where granted_role in ('DBA')),
indirect_privs as (
  select grantee from cdb_role_privs
  start with granted_role in (select p.grantee from cdb_role_privs p, cdb_roles r where p.granted_role in ('DBA') and p.grantee = r.role)
  connect by nocycle prior grantee = granted_role
)
select count(*) from (select grantee from direct_privs union select grantee from indirect_privs) c
where c.grantee in (select grantee from nm);
exit
EOF
) || exit 1
printf '%s\n' "$out"

Očekivani izlaz: 0

Kako se ispravlja

Metod ispravke: Smernica ili zakrpa infrastrukture

To remediate this setting, execute the following SQL statement, keeping in mind if this is granted in both container and pluggable database, you must connect to both places to revoke. Please ensure proper impact analysis is done before revoking the privilege from a role. REVOKE DBA FROM <grantee>; In the case of a grant via a role: REVOKE <rolename> FROM <grantee>;

Svojstva

Operativni sistemi: Bilo koji
Oznake: oracle-dbdatabaseoracleprivileges
Referenca: CIS Oracle Database 23ai Benchmark v1.1.0 - 6.2.1 Ensure 'DBA' Is Revoked from Unauthorized 'GRANTEE'

Proverite ovaj računar

Pokrenite ovo na računaru za koji imate dozvolu za proveru. Skeniranje radi u režimu samo za čitanje.

shell

tmaegis scan --target oracle-db