The CANCEL Control Option value specified is set to CANCEL.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-68	TSS0275	SV-68r3_rule	DCCS-1 DCCS-2	Medium

Description
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.

Description

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.

STIG	Date
z/OS TSS STIG	2019-12-12

Details

Check Text ( C-60295r1_chk )
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) If the CANCEL Control Option is not specified, this is not a finding.

Fix Text (F-64847r3_fix)
Remove the CANCEL sub-option from the Control Options list. TSS MODIFY(control_option [(suboption_list)])