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IBM z/OS UNIX security parameters in etc/profile must be properly specified.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-224088 | TSS0-US-000150 | SV-224088r561402_rule | Medium |
| Description |
|---|
| Configuring the operating system to implement organization-wide security implementation guides and security checklists ensures compliance with federal standards and establishes a common security baseline across DoD that reflects the most restrictive security posture consistent with operational requirements. |
| STIG | Date |
|---|---|
| IBM z/OS TSS Security Technical Implementation Guide | 2021-07-06 |
Details
| Check Text ( C-25761r516663_chk ) |
|---|
| From the ISPF Command Shell enter: ISHELL /etc/profile If the final or only instance of the UMASK command in /etc/profile is specified as "umask 077", this is not a finding. If the LOGNAME variable is marked read-only (i.e., "readonly LOGNAME") in /etc/profile, this is not a finding. |
| Fix Text (F-25749r516664_fix) |
|---|
| Configure the etc/profile to specify the UMASK command is executed with a value of 077 and the LOGNAME variable is marked read-only for the /etc/profile file, exceptions are documented with the ISSO. |