Check: TSS0560
zOS TSS STIG:
TSS0560
(in versions v6 r43 through v6 r30)
Title
The PWHIST Control Option is not set to (10) or greater. (Cat II impact)
Discussion
The purpose of the password history is to prevent users from reusing old passwords when their current one expires. 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(TSS0560) b) If the PWHIST Control Option value is set to PWHIST(10) or greater, there is NO FINDING. c) If the PWHIST Control Option value is NOT set to PWHIST(10) or greater, this is a FINDING.
Fix Text
Evaluate the impact associated with implementation of the control option. Develop a plan of action to implement the following control option setting as specified and proceed with the change. PWHIST(10) or greater
Additional Identifiers
Rule ID: SV-213r2_rule
Vulnerability ID: V-213
Group Title: TSS0560
Expert Comments
CCIs
Number | Definition |
---|---|
CCI-000200 |
The information system prohibits password reuse for the organization-defined number of generations. |
Controls
Number | Title |
---|---|
IA-5(1) |
Password-based Authentication |