Detections
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4.3.3 Restrict Access to SYSIBM.SYSCOLAUTH

Information

The SYSIBM.SYSCOLAUTH table 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 table.

Rationale:

This table 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 SYSIBM.SYSCOLAUTH 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: 5cf6286c6b2a8de70d0ce4d1e09265e5755621d4cd73ad76be7132d8b5da38a0