Access Greater than Read to the System Master Catalog is not limited to system programmers only.

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

SV-119r1_rule Access Greater than Read to the System Master Catalog is not limited to system programmers only.

Vulnerability discussion

System catalogs are the basis for locating all files on the system. 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(CATMRPT) - Master Catalog Automated Analysis Refer to the following report produced by the Data Set and Resource Data Collection: - PDI(ACP00130) ___ The ACP data set rules for System Catalogs allow inappropriate access. ___ The ACP data set rules for the Master Catalog do not restrict greater than READ access to only z/OS systems programming personnel. ___ The ACP data set rules for the Master Catalog do not specify that all (i.e., failures and successes) graeter than READ 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 as required to protect the MASTER CATALOG. The IAO will ensure that greater than READ access to MASTER CATALOG is limited to system programmers only and all greater than READ access is logged.

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