Db2 for z/OS
TMA-DB2-ZOS-2.2.21
Ensure that access to SYSIBM.SYSROUTINES is restricted
Beschreibung
The SYSIBM.SYSROUTINES table contains routines (user-defined function, cast function, or stored procedure). PUBLIC should be restricted from accessing this table. PUBLIC should not have access to routine definitions. Preventing PUBLIC to access routine information reduces the risk to your organization's data.
So wird geprüft
Prüfmethode: Manuelle Prüfung
For Db2 internal security users: Issue the following SQL statement to check if PUBLIC has access: SELECT GRANTEE FROM SYSIBM.SYSTABAUTH WHERE TCREATOR = 'SYSIBM' AND TTNAME = 'SYSROUTINES' AND GRANTEE = 'PUBLIC'; Output that contains zero rows is considered a successful finding. Otherwise, PUBLIC has SELECT privilege and the remediation steps should be followed. For external security users: Issue the RACF RLIST command to list the profile that controls access to the SYSIBM.SYSROUTINES table in the MDSNTB class. Examine the universal access (UACC) and user ... (full steps: CIS section 2.2.21)
So wird behoben
Behebungsmethode: Anleitung oder Infrastruktur-Patch
For Db2 internal security users: Issue the following SQL statement to revoke access from PUBLIC: REVOKE ALL ON SYSIBM.SYSROUTINES FROM PUBLIC; For external security users: Issue the RACF RALTER command to update the profile and change the UACC setting to NONE. Issue the RACF PERMIT command to remove the ID(*) and specify users or groups.
Eigenschaften
- Betriebssysteme
- Beliebig
- Tags
- db2-zospermissions
- Referenz
- CIS IBM Db2 13 for z/OS Benchmark v1.0.0 - 2.2.21 Ensure that access to SYSIBM.SYSROUTINES is restricted