Check: ACF0750
zOS ACF2 STIG:
ACF0750
(in versions v6 r43 through v6 r30)
Title
LOGONIDs with the ACCOUNT, LEADER, or SECURITY attribute must be properly scoped. (Cat II impact)
Discussion
Individuals with these powerful attributes may have more extensive privileges than necessary to perform their job function. There could be no separation of duties and/or principle of least privilege in effect. This could result in the compromise of the confidentiality, integrity, and availability of the operating system, ACP, or customer data.
Check Content
Refer to the following reports produced by the ACF2 Data Collection: - ACF2CMDS.RPT(ATTACCT) - ACF2CMDS.RPT(ATTLEAD) - ACF2CMDS.RPT(ATTSECT) Automated Analysis Refer to the following report produced by the ACF2 Data Collection: - PDI(ACF0750) Review all logonids for specific groups with the attributes ACCOUNT, LEADER, or SECURITY ensure they have the SCPLIST attribute specified properly according to job function and areas of responsibility. NOTE: SCPLST attributes are not required for Domain Level Security Admin Logonids and BATCH Logonids that administer and modify the entire ACF2 environment to include GSO records, data set and resource rules, etc. or run audit reports.
Fix Text
The IAO will ensure logonids with the ACCOUNT, LEADER, and SECURITY attributes are restricted by a SCPLIST attribute that restricts authority based on job function and area of responsibility. The following user attributes allow update of the ACF2 databases for administering users, data set access rules, and Infostorage records. When granted to a logonid, restrict the scope of the following attributes using an associated SCPLIST (scope list) record: ACCOUNT LEADER SECURITY NOTE: SCPLST attributes are not required for Domain Level Security Admin Logonids and BATCH Logonids that administer and modify the entire ACF2 environment to include GSO records, data set and resource rules, etc. or run audit reports.
Additional Identifiers
Rule ID: SV-171r2_rule
Vulnerability ID: V-171
Group Title: ACF0750
Expert Comments
CCIs
Number | Definition |
---|---|
CCI-002227 |
The organization restricts privileged accounts on the information system to organization-defined personnel or roles. |
CCI-002276 |
The organization identifies the individuals authorized to define the value of associated security attributes. |