The CANCEL Control Option value specified is set to CANCEL.

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

SV-68r1_rule The CANCEL Control Option value specified is set to CANCEL.

Vulnerability discussion

The CANCEL Control Option allows security administrators to use the O/S CANCEL command to bring the TSS address space down.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(TSS0275) b) If the CANCEL Control Option is not specified, there is NO FINDING. c) If the CANCEL Control Option is specified, this is a FINDING.

Fix text

Evaluate the impact associated with implementation of the control option. Develop a plan of action to set the INACTIVE control option to a value of 1 to 30 days and proceed with the change. The INACTIVE Control Option value is set properly with the command: TSS MODIFY INACTIVE(30)

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