Detections
Analytics

4.2.3 Restrict Access to SYSCAT.COLAUTH

Information

The SYSCAT.COLAUTH view contains the column privileges granted to the user or a group of users. It is recommended that the PUBLIC role be restricted from accessing this view.

Rationale:

This view contains the column privileges granted to the user, group, or role in the database and may be used as an attack vector.

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.COLAUTH 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: 3e0be286373ab3abc2d78bb64a3d60a696102c60d4907fbb48f15ca6e8b3b022