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ROSCOE STC data sets are not properly protected.


Overview

Finding ID Version Rule ID IA Controls Severity
V-225599 ZROST001 SV-225599r520858_rule Medium
Description
ROSCOE STC data sets provide the capability to use privileged functions and/or have access to sensitive data. Failure to properly restrict access to their data sets could result in violating the integrity of the base product which could result in compromising the operating system or sensitive data.
STIG Date
z/OS ROSCOE for TSS Security Technical Implementation Guide 2022-10-10

Details

Check Text ( C-27299r520856_chk )
a) Refer to the following report produced by the Data Set and Resource Data Collection:

- SENSITVE.RPT(ROSSTC)

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

- PDI(ZROS0001)

b) Verify that access to the ROSCOE STC data sets are properly restricted. The data sets in this group are the data sets identified in the ROSACTxx (if used), ROSLIBxx, and SYSAWSx DD statements of the STC or batch JCL.

___ The TSS data set rules for the data sets does not restrict UPDATE and/or ALTER access to systems programming personnel.

___ The TSS data set rules for the data sets does not restrict UPDATE and/or ALTER access to the product STC(s) and/or batch job(s).

c) If all of the above are untrue, there is NO FINDING.

d) If any of the above is true, this is a FINDING.
Fix Text (F-27287r520857_fix)
The IAO will ensure that update and allocate/create access to the ROSCOE started task or batch job data sets is limited to system programmers and the started task only and all update and allocate/create access is logged.

The IAO will ensure that all other accesses to the ROSCOE started task or batch job data sets are properly restricted and all required accesses are properly logged.

Data sets to be protected will be

SYS3.ROSCOE.SYS**
SYS3.ROSCOE.ROSLIB**

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

TSS ADD(SYS3) DSN(SYS3)
TSS PER(syspaudt) DSN(SYS3.ROSCOE.SYS) ACC(R)
TSS PER(syspaudt) DSN(SYS3.ROSCOE.SYS) ACC(A) ACTION(AUDIT)
TSS PER(roscoe stc) DSN(SYS3.ROSCOE.SYS) ACC(R)
TSS PER(roscoe stc) DSN(SYS3.ROSCOE.SYS) ACC(A) ACTION(AUDIT)
TSS PER(syspaudt) DSN(SYS3.ROSCOE.ROSLIB) ACC(R)
TSS PER(syspaudt) DSN(SYS3.ROSCOE.ROSLIB) ACC(A) ACTION(AUDIT)
TSS PER(roscoe stc) DSN(SYS3.ROSCOE.ROSLIB) ACC(R)
TSS PER(roscoe stc) DSN(SYS3.ROSCOE.ROSLIB) ACC(A) ACTION(AUDIT)