STIGQter: STIG Summary: z/OS BMC CONTROL-O for ACF2 Security Technical Implementation Guide Version: 7 Release: 2 Benchmark Date: 01 Oct 2025:

BMC CONTROL-O configuration/parameter values are not specified properly.

DISA Rule

SV-224123r1141470_rule

Vulnerability Number

V-224123

Group Title

SRG-OS-000018

Rule Version

ZCTO0040

Severity

CAT II

CCI(s)

• CCI-000381 - Configure the system to provide only organization-defined mission essential capabilities.

Weight

10

Fix Recommendation

The BMC CONTROL-O systems programmer will verify that any configuration/parameters that are required to control the security of the product are properly configured and syntactically correct. Set the standard values for the BMC CONTROL-O security parameters for the specific Access Control Program (ACP) environment along with additional IOA security parameters with standard values as documented below.

Keyword Value
DEFMCHKO $$CTOEDM
SECTOLO NO
DFMO01 EXTEND
DFMO02 EXTEND
DFMO03 EXTEND
DFMO04 EXTEND
DFMO08 EXTEND
DFMO10 PROD (new for 6.3.xx)
DFMO15 EXTEND

Check Contents

Refer to the following applicable reports produced by the z/OS Data Collection:

- IOA.RPT(SECPARM).

Automated Analysis
Refer to the following report produced by the z/OS Data Collection:

- PDI(ZCTO0040).

The following keywords will have the specified values in the BMC CONTROL-O security parameter member. This is not a finding.

Keyword Value
DEFMCHKO $$CTOEDM
SECTOLO NO
DFMO01 EXTEND
DFMO02 EXTEND
DFMO03 EXTEND
DFMO04 EXTEND
DFMO08 EXTEND
DFMO10 PROD (new for 6.3.xx)
DFMO15 EXTEND

Vulnerability Number

V-224123

Documentable

False

Rule Version

ZCTO0040

Severity Override Guidance

Refer to the following applicable reports produced by the z/OS Data Collection:

- IOA.RPT(SECPARM).

Automated Analysis
Refer to the following report produced by the z/OS Data Collection:

- PDI(ZCTO0040).

The following keywords will have the specified values in the BMC CONTROL-O security parameter member. This is not a finding.

Keyword Value
DEFMCHKO $$CTOEDM
SECTOLO NO
DFMO01 EXTEND
DFMO02 EXTEND
DFMO03 EXTEND
DFMO04 EXTEND
DFMO08 EXTEND
DFMO10 PROD (new for 6.3.xx)
DFMO15 EXTEND

Check Content Reference

M

Target Key

4106