TMA-DB2-4.2.2

Restrict Access to SYSCAT.AUDITUSE

보통레벨 1자동db2

설명

The SYSCAT.AUDITUSE view contains database audit policy for all non-database objects, such as authority, groups, roles, and users. It is recommended that the PUBLIC role be restricted from accessing this view. Counts grants to PUBLIC on SYSCAT.AUDITUSE (SYSCAT.TABAUTH); 0 is required. Database-level check: set DB2DBDFT to the database name to audit (the rule connects to it with the instance owner's credentials and fails when DB2DBDFT is unset). Run as the instance owner (or with sqllib/db2profile sourced) so the db2 CLP reads this instance's configuration.

점검 방법

감사 방식: SQL 쿼리

sql_query

db="${DB2DBDFT:?set DB2DBDFT to the database to audit}"; db2 connect to "$db" >/dev/null || exit 1; db2 -x "select count(*) from syscat.tabauth where tabschema = 'SYSCAT' and tabname = 'AUDITUSE' and grantee = 'PUBLIC'"; rc=$?; db2 connect reset >/dev/null 2>&1; db2 terminate >/dev/null 2>&1; exit $rc

예상 출력: 0

조치 방법

조치 방식: 가이드 또는 인프라 패치

Revoke access from PUBLIC. 1. Connect to the Db2 database. db2 => connect to <dbname> 2. Run the following command: db2 => REVOKE SELECT ON SYSCAT.AUDITUSE FROM PUBLIC

속성

운영 체제: 모두
태그: db2databaseprivilegescatalog
참고 자료: CIS IBM Db2 12.1 Benchmark v1.0.0 - 4.2.2 Restrict Access to SYSCAT.AUDITUSE

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감사 권한이 있는 시스템에서 실행하세요. 스캔은 읽기 전용입니다.

shell

tmaegis scan --target db2