Ensure excessive administrative privileges are revoked

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Description

With respect to YugabyteDB administrative YSQL commands, only superusers should have elevated privileges. YugabyteDB regular, or application, users should not possess the ability to create roles, create new databases, manage replication, or perform any other action deemed privileged.

Méthode de vérification

Méthode d'audit: Revue manuelle

Cette recommandation ne peut pas être vérifiée automatiquement. Une analyse la liste avec ces instructions lorsque vous passez --include-manual.

Run ysqlsh -c "\du" and compare each role with the superuser baseline (\du yugabyte). Only approved administrators may hold Superuser, Create role, Create DB, Replication or Bypass RLS; regular or application roles with these attributes are a finding (fix with ALTER ROLE <r> NOSUPERUSER NOCREATEROLE NOCREATEDB NOREPLICATION NOBYPASSRLS).

Méthode de correction

Méthode de correction: Recommandation ou correctif d'infrastructure

If any regular or application users have been granted excessive administrative rights, those privileges should be removed immediately via the Yugabyte ALTER ROLE YSQL command. Using the same example above, the following YSQL statements revoke all unnecessary elevated administrative privileges from the regular user appuser: # whoami yugabyte # ysqlsh -c "ALTER ROLE appuser NOSUPERUSER;" ALTER ROLE # ysqlsh -c "ALTER ROLE appuser NOCREATEROLE;" ...

Propriétés

Systèmes d'exploitation: Tous
Étiquettes: yugabytedbprivileges
Référence: CIS YugabyteDB Benchmark v2.0.0 - 4.2 Ensure excessive administrative privileges are revoked