MCS consoles access authorization(s) for CONSOLE resource(s) is (are) improperly protected.

From z/OS TSS STIG

Part of ACP00293

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

SV-7929r1_rule MCS consoles access authorization(s) for CONSOLE resource(s) is (are) improperly protected.

Vulnerability discussion

MCS consoles can be used to issue operator commands. Failure to properly control access to MCS consoles could result in unauthorized personnel issuing sensitive operator commands. This exposure may threaten the integrity and availability of the operating system environment, and compromise the confidentiality of customer data.

Check content

Refer to the following report produced by the z/OS Data Collection: - EXAM.RPT(CONSOLE) Refer to the following report produced by the Data Set and Resource Data Collection: - SENSITVE.RPT(WHOHSYSC) Automated Analysis Refer to the following report produced by the Data Set and Resource Data Collection: - PDI(ACP00293) Ensure the following items are in effect for all MCS consoles identified in the EXAM.RPT(CONSOLE): 1) Each console is defined to SYSCONS resource class and/or the SYSCONS resource class has the DEFPROT attribute. 2) The ACID associated with each console has READ access to the corresponding resource defined in the SYSCONS resource class. 3) Access authorization for SYSCONS resources restricts access to operations, the Master SCA, and system programming personnel.

Fix text

The IAO will ensure that all MCS consoles are defined to the SYSCONS resource class and READ access is limited to operators and system programmers. Review the MCS console resources defined to z/OS and the ACP, and ensure they conform to those outlined below. Each console defined in the CONSOLxx parmlib members is defined to TSS SYSCONS resouce class and/or the SYSCONS resource class has the DEFPROT attribute. The ACID associated with each console has access to the corresponding resource defined in the SYSCONS resource class. Example: TSS PERMIT(MMGMST) SYSCONS(MMGMST) ACCESS(READ) Access authorization for SYSCONS resources restricts access to operations, the Master SCA, and system programming personnel. TSS PERMIT(operaudt) SYSCONS(MMGMST) ACCESS(READ) TSS PERMIT(Master SCA) SYSCONS(MMGMST) ACCESS(READ) TSS PERMIT(syspaudt) SYSCONS(MMGMST) ACCESS(READ)

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