STIGQter: STIG Summary: z/OS IBM System Display and Search Facility (SDSF) for ACF2 Security Technical Implementation Guide Version: 7 Release: 2 Benchmark Date: 01 Oct 2025:

IBM System Display and Search Facility (SDSF) resources will be properly defined and protected.

DISA Rule

SV-224320r1141553_rule

Vulnerability Number

V-224320

Group Title

SRG-OS-000018

Rule Version

ZISFA021

Severity

CAT II

CCI(s)

• CCI-000213 - Enforce approved authorizations for logical access to information and system resources in accordance with applicable access control policies.
• CCI-002234 - Log the execution of privileged functions.

Weight

10

Fix Recommendation

The ISSO will work with the systems programmer to verify that the following are properly specified in the Access Control Program (ACP).

Ensure that the IBM SDSF resource access is in accordance with those outlined in SDSF Server OPERCMDS Resources table in the z/OS STIG Addendum.

Use SDSF Server OPERCMDS Resources table in the z/OS STIG Addendum. These tables list the resources and access requirements for IBM SDSF; ensure the following guidelines are followed:

The ACF2 resources and/or generic equivalent as designated in the above table are defined with a default access of NONE.

The ACF2 resource access authorizations restrict access to the appropriate personnel as designated in the above table.

The ACF2 resource logging is specified as designated in the above table.

The following commands are provided as a sample for implementing resource controls:

$KEY(SDSF) TYPE(OPR)
MODIFY.DISPLAY UID(audtaudt) SERVICE(READ)
MODIFY.DISPLAY UID(operaudt) SERVICE(READ)
MODIFY.DISPLAY UID(syspaudt) SERVICE(READ)
MODIFY.- UID(syspaudt) SERVICE(READ,UPDATE,DELETE) LOG
- UID(*) PREVENT

Check Contents

Refer to the following report produced by the ACF2 Data Collection and dataset and Resource Data Collection:

- SENSITVE.RPT(ZISF0021).
- ACF2CMDS.RPT(RESOURCE) - Alternate report.

Automated Analysis
Refer to the following report produced by the dataset and Resource Data Collection:

- PDI(ZISF0021).

Verify that all SDSF resources are properly protected according to the requirements specified in the SDSF Server OPERCMDS Resources table in the z/OS STIG Addendum. If the following guidance is true, this is not a finding.

The ACF2 resources and/or generic equivalent as designated in the above table are defined with a default access of NONE.

The ACF2 resource access authorizations restrict access to the appropriate personnel as designated in the above table.

The ACF2 resource logging is specified as designated in the above table.

Vulnerability Number

V-224320

Documentable

False

Rule Version

ZISFA021

Severity Override Guidance

Refer to the following report produced by the ACF2 Data Collection and dataset and Resource Data Collection:

- SENSITVE.RPT(ZISF0021).
- ACF2CMDS.RPT(RESOURCE) - Alternate report.

Automated Analysis
Refer to the following report produced by the dataset and Resource Data Collection:

- PDI(ZISF0021).

Verify that all SDSF resources are properly protected according to the requirements specified in the SDSF Server OPERCMDS Resources table in the z/OS STIG Addendum. If the following guidance is true, this is not a finding.

The ACF2 resources and/or generic equivalent as designated in the above table are defined with a default access of NONE.

The ACF2 resource access authorizations restrict access to the appropriate personnel as designated in the above table.

The ACF2 resource logging is specified as designated in the above table.

Check Content Reference

M

Target Key

4124