TSS MODIFY output does not specify "ACTIVE DIAGTRAP ENTRIES: ON = 00".

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

Associated with: CCI-000366

SV-194r2_rule TSS MODIFY output does not specify "ACTIVE DIAGTRAP ENTRIES: ON = 00".

Vulnerability discussion

The DIAGTRAP Control Option is used to produce a diagnostic dump.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.

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(TSS0330) b) If the ACTIVE DIAGTRAP Control Option values listing from TSS MODIFY are: "ACTIVE DIAGTRAP ENTRIES: ON = 00", there is NO FINDING. c) If the ACTIVE DIAGTRAP Control Option value listing from TSS MODIFY is NOT: "ACTIVE DIAGTRAP ENTRIES: ON = 00", this is a FINDING. NOTE: An active trap may be set if working on a problem with CA and then "ON =" will contain a non zero value. There must be an open issue with CA to justify.

Fix text

Ensure DIAGTRAP control option is either not specified or is set to DIAGTRAP(ALL,DEL) in TSS PARMLIB. Also, issue a TSS MODIFY command and ensure the following is listed: "ACTIVE DIAGTRAP ENTRIES: ON = 00" Issue the following to delete all existing diagtraps: TSS MODIFY(DIAGTRAP(ALL,DEL)) A trap may be set and active if working a current issue with CA and CA requested a DIAGTRAP be set.

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