STIGQter: STIG Summary: IBM z/OS ACF2 Security Technical Implementation Guide Version: 8 Release: 2 Benchmark Date: 23 Apr 2021:

IBM z/OS Sensitive Utility Controls must be properly defined and protected.

DISA Rule

SV-223428r533198_rule

Vulnerability Number

V-223428

Group Title

SRG-OS-000080-GPOS-00048

Rule Version

ACF2-ES-000070

Severity

CAT II

CCI(s)

• CCI-000213 - The information system enforces approved authorizations for logical access to information and system resources in accordance with applicable access control policies.

Weight

10

Fix Recommendation

Refer to the Site Security plan for Sensitive Programs/Utilities for lists the resources, access requirements, and logging requirements for Sensitive Utilities.

Configure ACF2 resources to be defined with a default access of PREVENT.

Configure ACF2 resource access authorizations to restrict access to the appropriate personnel.

Configure ACF2 resource logging to be correctly specified.

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

$KEY(AHLGTF) TYPE(PGM)
UID(stcg) LOG
UID(*) PREVENT

F ACF2,REBUILD(PGM)

Check Contents

Refer to the table of Sensitive Utilities resources and/or generic equivalent as detailed in the table.

If the ACF2 resources are defined with a default access of PREVENT, this is not a finding.

If the ACF2 resource access authorizations restrict access to the appropriate personnel according to the site security plan, this not a finding.

If the ACF2 resource logging is correctly specified, this is not a finding.

Sensitive Utility Controls
Program Product Function
AHLGTF z/OS System Activity Tracing
HHLGTF
IHLGTF

ICPIOCP z/OS System Configuration
IOPIOCP
IXPIOCP
IYPIOCP
IZPIOCP

BLSROPTR z/OS Data Management

DEBE OS/DEBE Data Management

DITTO OS/DITTO Data Management

FDRZAPOP FDR Product Internal Modification

GIMSMP SMP/E Change Management Product

ICKDSF z/OS DASD Management

IDCSC01 z/OS IDCAMS Set Cache Module

IEHINITT z/OS Tape Management

IFASMFDP z/OS SMF Data Dump Utility

IND$FILE z/OS PC to Mainframe File Transfer
(Applicable only for classified systems)

CSQJU003 IBM WebSphereMQ
CSQJU004
CSQUCVX
CSQ1LOGP
CSQUTIL

WHOIS z/OS Share MOD to identify user name from USERID.
Restricted to data center personnel only.

Vulnerability Number

V-223428

Documentable

False

Rule Version

ACF2-ES-000070

Severity Override Guidance

Refer to the table of Sensitive Utilities resources and/or generic equivalent as detailed in the table.

If the ACF2 resources are defined with a default access of PREVENT, this is not a finding.

If the ACF2 resource access authorizations restrict access to the appropriate personnel according to the site security plan, this not a finding.

If the ACF2 resource logging is correctly specified, this is not a finding.

Sensitive Utility Controls
Program Product Function
AHLGTF z/OS System Activity Tracing
HHLGTF
IHLGTF

ICPIOCP z/OS System Configuration
IOPIOCP
IXPIOCP
IYPIOCP
IZPIOCP

BLSROPTR z/OS Data Management

DEBE OS/DEBE Data Management

DITTO OS/DITTO Data Management

FDRZAPOP FDR Product Internal Modification

GIMSMP SMP/E Change Management Product

ICKDSF z/OS DASD Management

IDCSC01 z/OS IDCAMS Set Cache Module

IEHINITT z/OS Tape Management

IFASMFDP z/OS SMF Data Dump Utility

IND$FILE z/OS PC to Mainframe File Transfer
(Applicable only for classified systems)

CSQJU003 IBM WebSphereMQ
CSQJU004
CSQUCVX
CSQ1LOGP
CSQUTIL

WHOIS z/OS Share MOD to identify user name from USERID.
Restricted to data center personnel only.

Check Content Reference

M

Target Key

4100

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