Secure ACCESSCTRL Authority

HighLevel 1Manual reviewdb2

Description

ACCESSCTRL authority is the authority required to grant and revoke privileges on objects within a specific database. Some of these privileges include BINDADD, CONNECT, CREATETAB, CREATE_EXTERNAL_ROUTINE, LOAD, and QUIESCE_CONNECT. It has no inherent privilege to access data stored in tables, except the catalog tables and views. The ACCESSCTRL authority cannot be granted to PUBLIC.

How it is checked

Audit method: Manual review

This recommendation cannot be checked automatically. A scan lists it with these instructions when you pass --include-manual.

1. Run the following command: db2 => select distinct grantee, granteetype from syscat.dbauth where accessctrlauth = 'Y' 2. Review the list of users, groups, and roles in the above output to ensure only approved users, groups, and roles are assigned.

How it is fixed

Fix method: Guidance or infrastructure patch

Revoke ACCESSCTRL authority from any unauthorized users. db2 => REVOKE ACCESSCTRL ON DATABASE FROM USER <username>

Properties

Operating systems: Any
Tags: db2databasemanual
Reference: CIS IBM Db2 12.1 Benchmark v1.0.0 - 6.1.9 Secure ACCESSCTRL Authority