Update and allocate access to all APF -authorized libraries are not limited to system programmers only.

From z/OS TSS STIG

Part of ACP00060

Associated with IA controls: DCCS-1, DCCS-2, ECAR-3, ECAR-2, ECAR-1, DCSL-1

SV-113r1_rule Update and allocate access to all APF -authorized libraries are not limited to system programmers only.

Vulnerability discussion

The Authorized Program List designates those libraries that can contain program modules which possess a significant level of security bypass capability. Unauthorized access could result in the compromise of the operating system environment, ACP, and customer data.

Check content

a) Refer to the following reports produced by the Data Set and Resource Data Collection: - SENSITVE.RPT(APFXRPT) Automated Analysis Refer to the following report produced by the Data Set and Resource Data Collection: - PDI(ACP00060) ___ The ACP data set rules for APF libraries allow inappropriate access. ___ The ACP data set rules for APF libraries do not restrict UPDATE and/or ALTER access to only z/OS systems programming personnel. ___ The ACP data set rules for APF libraries do not specify that all (i.e., failures and successes) UPDATE and/or ALTER access will be logged. b) If all of the above are untrue, there is NO FINDING. c) If any of the above is true, this is a FINDING.

Fix text

Review access authorization to critical system files. Evaluate the impact of correcting the deficiency. Develop a plan of action and implement the changes required to protect APF Authorized Libraries. The IAO will ensure that update and allocate access to all APF-authorized libraries are limited to system programmers only and all update and allocate access is logged.

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