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← Back to z/OS CA 1 Tape Management for TSS Security Technical Implementation Guide

V-224638

CAT II (Medium)

CA 1 Tape Management installation data sets must be properly protected.

Rule ID

SV-224638r1145806_rule

STIG

z/OS CA 1 Tape Management for TSS Security Technical Implementation Guide

Version

V7R2

CCIs

CCI-001499CCI-002234

Discussion

CA 1 Tape Management installation data sets have the ability to use privileged functions and/or have access to sensitive data. Failure to properly restrict access to these data sets could result in violating the integrity of the base product which could result in compromising the operating system or sensitive data.

Check Content

Refer to the following report produced by the Data Set and Resource Data Collection:

- SENSITVE.RPT(CA1PROD).

Automated Analysis
Refer to the following report produced by the Data Set and Resource Data Collection:

- PDI(ZCA10000).

Verify that the accesses to the CA 1 Tape Management installation data sets are properly restricted. If the following guidance is true, this is not a finding.

The TSS data set rules for the data sets restrict READ access to all authorized users.

The TSS data set rules for the data sets restrict WRITE and/or greater access to systems programming personnel.

The TSS data set rules for the data sets specify that all (i.e., failures and successes) WRITE and/or greater access is logged.

Fix Text

Ensure that WRITE and/or greater access to CA 1 Tape Management installation data sets is limited to systems programmers only, and all WRITE and/or greater access is logged. READ access can be given to all authorized users.

The installing systems programmer will identify and document the product data sets and categorize them according to who will have WRITE and/or greater access and if required that all WRITE and/or greater access is logged. The installing systems programmer will identify if any additional groups have WRITE and/or greater access for specific data sets and once documented will work with the ISSO to see that they are properly restricted to the Access Control Program (ACP) active on the system.

The following is an example of the type of data sets to be protected:
SYS2.CA1.
SYS2A.CA1.*.CAILIB
SYS2A.CA1.*.CAILPA
Or
SYS2A.CA1.*.CTAPLINK
SYS3.CA1.
SYS3A.CA1.*.CAILIB
Or
SYS3A.CA1.*.CTAPLINK
SYS3A.CA1.*.CTAPLPA

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

TSS ADD(SYS2) DSN(SYS2)
TSS ADD(SYS2A) DSN(SYS2A)
TSS ADD(SYS3) DSN(SYS3)
TSS ADD(SYS3A) DSN(SYS3A)
TSS PERMIT(syspaudt) DSN(SYS2.CA1.) ACCESS(ALL) ACTION(AUDIT)
TSS PERMIT(syspaudt) DSN(SYS2.CA1.) ACCESS(READ)
TSS PERMIT(authorized users/ALL) DSN(SYS2.CA1.) ACCESS(READ)
TSS PERMIT(syspaudt) DSN(SYS2A.CA1.V*.CAILIB) ACCESS(ALL) ACTION(AUDIT)
TSS PERMIT(syspaudt) DSN(SYS2A.CA1.V*.CAILIB) ACCESS(READ)
TSS PERMIT(authorized users/ALL) DSN(SYS2A.CA1.V*.CAILIB) ACCESS(READ)
TSS PERMIT(syspaudt) DSN(SYS2A.CA1.V*.CAILPA) ACCESS(ALL) ACTION(AUDIT)
TSS PERMIT(syspaudt) DSN(SYS2A.CA1.V*.CAILPA) ACCESS(READ)
TSS PERMIT(authorized users/ALL) DSN(SYS2A.CA1.V*.CAILPA) ACCESS(READ)
Or
TSS PERMIT(syspaudt) DSN(SYS2A.CA1.V*.CTAPLINK) ACCESS(ALL) ACTION(AUDIT)
TSS PERMIT(syspaudt) DSN(SYS2A.CA1.V*.CTAPLINK) ACCESS(READ)
TSS PERMIT(authorized users/ALL) DSN(SYS2A.CA1.V*.CTAPLINK) ACCESS(READ)
TSS PERMIT(syspaudt) DSN(SYS3.CA1.) ACCESS(ALL) ACTION(AUDIT)
TSS PERMIT(syspaudt) DSN(SYS3.CA1.) ACCESS(READ)
TSS PERMIT(authorized users/ALL) DSN(SYS3.CA1.) ACCESS(READ)
TSS PERMIT(syspaudt) DSN(SYS3A.CA1.V*.CAILIB) ACCESS(ALL) ACTION(AUDIT)
TSS PERMIT(syspaudt) DSN(SYS3A.CA1.V*.CAILIB) ACCESS(READ)
TSS PERMIT(authorized users/ALL) DSN(SYS3A.CA1.V*.CAILIB) ACCESS(READ)
Or
TSS PERMIT(syspaudt) DSN(SYS3A.CA1.V*.CTAPLINK) ACCESS(ALL) ACTION(AUDIT)
TSS PERMIT(syspaudt) DSN(SYS3A.CA1.V*.CTAPLINK) ACCESS(READ)
TSS PERMIT(authorized users/ALL) DSN(SYS3A.CA1.V*.CTAPLINK) ACCESS(READ)
TSS PERMIT(syspaudt) DSN(SYS3A.CA1.V*.CTAPLPA) ACCESS(ALL) ACTION(AUDIT)
TSS PERMIT(syspaudt) DSN(SYS3A.CA1.V*.CTAPLPA) ACCESS(READ)
TSS PERMIT(authorized users/ALL) DSN(SYS3A.CA1.V*.CTAPLPA) ACCESS(READ)