Check: ZTSOA040
zOS ACF2 STIG:
ZTSOA040
(in versions v6 r43 through v6 r30)
Title
The special privileges must be assigned on an as-needed basis to LOGONIDs associated with STCs and LOGONIDs that need to execute TSO in batch. (Cat II impact)
Discussion
Users with this privilege can mount tape and DASD. This could result in the compromise of the confidentiality, integrity, availability of the operating system, ACP, or customer data.
Check Content
Refer to the following report produced by the ACF2 Data Collection: - ACF2CMDS.RPT(ATTTSO) Ensure that all ACF2 privileges are restricted according to the requirements specified. If the following guidance is true, this is not a finding. ___ The ACCTPRIV privilege is restricted to security personnel. ___ The CONSOLE and OPERATOR privileges are restricted to authorized systems personnel (e.g., systems programming personnel, operations staff, etc.). ___ The MOUNT privilege is restricted to DASD batch users only.
Fix Text
The IAO will review all Logonids for the following and ensure that only authorized users with justification are given access to the privileges. The ACCTPRIV privilege is restricted for used to the domain level security personnel (IAO/IAM). The CONSOLE and OPERATOR privileges are restricted to authorized systems personnel (e.g., systems programming personnel, operations staff, etc.). The MOUNT privilege is restricted to DASD batch users only on an as needed basis to execute TSO in batch. Ensure that all privileges are kept to a minimum and are controlled and documented.
Additional Identifiers
Rule ID: SV-177r3_rule
Vulnerability ID: V-177
Group Title: ZTSOA040
Expert Comments
CCIs
Number | Definition |
---|---|
CCI-000213 |
The information system enforces approved authorizations for logical access to information and system resources in accordance with applicable access control policies. |
Controls
Number | Title |
---|---|
AC-3 |
Access Enforcement |