DISA STIGS Viewer

Resource Class ROSRES is not defined or active in the Access Control Program (ACP).

Overview

Finding ID Version Rule ID IA Controls Severity
V-225604 ZROST038 SV-225604r1070311_rule   Medium
Description
Failure to use a robust ACP to control a product could potentially compromise the integrity and availability of the MVS operating system and user data.
STIG Date
z/OS ROSCOE for TSS Security Technical Implementation Guide 2025-03-05

Details

Check Text (C-27304r1070309_chk)
Refer to the following report produced by the ACP Data Collection:

- TSSCMDS.RPT(#RDT)

Ensure that Product Resource Class(es) is (are) defined in the Resource Definition Table as follows:

Note: Identify all of the attributes and characteristics of the Product resource class in the TSS Resource Definition Table (delete this note).

RESOURCE CLASS = ROSRES
RESOURCE CODE = X'hex code'
ATTRIBUTE = MASK|NOMASK,MAXOWN(08),MAXPERMIT(044),ACCESS,DEFPROT
ACCESS = NONE(0000),CONTROL(0400),UPDATE(6000),READ(4000)
ACCESS = WRITE(2000),ALL(FFFF)
DEFACC = READ

If all of the items in (b) are true, this is not a finding.

If any item in (b) is untrue, this is a finding.
Fix Text (F-27292r1070310_fix)
The ISSO will ensure the Product resource class(es) is (are) defined in the TSS RDT. The ISSO will issue one of the following commands to define the Product resource class(es):

TSS REPLACE(RDT) RESCLASS(ROSRES) -
MAXLEN(044) -
ATTR(MASK|NOMASK,DEFPROT) -
ACLST(NONE(0000),CONTROL(0400),UPDATE(6000),READ(4000),WRITE(2000),ALL(FFFF)) -
DEFACC(READ)

TSS ADDTO(RDT) RESCLASS(ROSRES) -
RESCODE(hex-code) -
ATTR(MASK|NOMASK,DEFPROT) -
ACLST(NONE(0000),CONTROL(0400),UPDATE(6000),READ(4000),WRITE(2000),ALL(FFFF)) -
DEFACC(READ)