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

CA-ACF2 must limit Write or greater access to libraries that contain PPT modules to system programmers only.

DISA Rule

SV-223466r533198_rule

Vulnerability Number

V-223466

Group Title

SRG-OS-000080-GPOS-00048

Rule Version

ACF2-ES-000480

Severity

CAT III

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.
• CCI-001499 - The organization limits privileges to change software resident within software libraries.
• CCI-002235 - The information system prevents non-privileged users from executing privileged functions to include disabling, circumventing, or altering implemented security safeguards/countermeasures.

Weight

10

Fix Recommendation

Configure the Update and Allocate access to libraries containing PPT modules to be limited to system programmers only and all Update and Allocate access is logged.

Check Contents

Review program entries in the IBM Program Properties Table (PPT). You may use a third-party product to examine these entries however, to determine program entries issue the following command from an ISPF command line:
TSO ISRDDN LOAD IEFSDPPT
Press Enter

For each module identified in the 'eyecatcher' :

If all of the following are untrue, this is not a finding.

If any of the following is true, this is a finding.

-The ESM data set rules for libraries that contain PPT modules do not restrict UPDATE and ALLOCATE access to only z/OS systems programming personnel.
-The ESM data set rules for libraries that contain PPT modules do not specify that all UPDATE and ALLOCATE access will be logged.

Vulnerability Number

V-223466

Documentable

False

Rule Version

ACF2-ES-000480

Severity Override Guidance

Review program entries in the IBM Program Properties Table (PPT). You may use a third-party product to examine these entries however, to determine program entries issue the following command from an ISPF command line:
TSO ISRDDN LOAD IEFSDPPT
Press Enter

For each module identified in the 'eyecatcher' :

If all of the following are untrue, this is not a finding.

If any of the following is true, this is a finding.

-The ESM data set rules for libraries that contain PPT modules do not restrict UPDATE and ALLOCATE access to only z/OS systems programming personnel.
-The ESM data set rules for libraries that contain PPT modules do not specify that all UPDATE and ALLOCATE access will be logged.

Check Content Reference

M

Target Key

4100

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