The OPTIONS Control Option does not include option (4) at a minimum.

From z/OS TSS STIG

Part of TSS0505

Associated with IA controls: DCCS-1, DCCS-2

Associated with: CCI-000366

SV-4836r2_rule The OPTIONS Control Option does not include option (4) at a minimum.

Vulnerability discussion

The OPTIONS Control Option replaces optional APARs that have been applied prior to Release 5.1.The system-wide options control the default settings for determining how the ACP will function when handling requests for access to the operating system environment, ACP, and customer data. The ACP provides the ability to set a number of these fields at the subsystem level. If no setting is found, the system-wide defaults will be used. The improper setting of any of these fields, individually or in combination with another, can compromise the security of the processing environment. In addition, failure to establish standardized settings for the ACP control options introduces the possibility of exposure during migration process or contingency plan activation.NOTE: "TSS MODIFY" command will list OPTIONS as OPTIONALS. i.e. OPTIONALS(004,005)

Check content

a) Refer to the following report produced by the TSS Data Collection: - TSSCMDS.RPT(STATUS) Automated Analysis Refer to the following report produced by the TSS Data Collection: - PDI(TSS0505) b) If the OPTIONS Control Option contains at a minimum option number (4), there is NO FINDING. c) If the OPTIONS Control Option does NOT contain at a minimum the number (4), this is a FINDING.

Fix text

Evaluate the impact associated with implementation of the control option. Develop a plan of action to implement the control option setting as specified following and proceed with the change. The OPTIONS Control Option must contain at a minimum option number (4). Example TSS PARMFILE Control Option entry: OPTIONS(4,5,6,12,14)

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