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4.2.23 Restrict Access to SYSCAT.ROUTINES

Information

The SYSCAT.ROUTINES view contains all user-defined routines, functions, and stored procedures in the database. It is recommended that the PUBLIC role be restricted from accessing this view.

Rationale:

User-defined functions and routines should not be exposed to the public for exploits.

Solution

Perform the following to revoke access from PUBLIC.

Connect to the Db2 database.

db2 => connect to <dbname>

Run the following command:

db2 => REVOKE SELECT ON SYSCAT.ROUTINES FROM PUBLIC

See Also

https://workbench.cisecurity.org/benchmarks/23492

Item Details

Category: ACCESS CONTROL, MEDIA PROTECTION

References: 800-53|AC-3, 800-53|AC-5, 800-53|AC-6, 800-53|MP-2, CSCv7|14.6

Plugin: IBM_DB2DB

Control ID: 28262b90c42ca42625b94f47c78f3567b29fa4e309a2be8ae850fbd3e1aa7623