The Photon operating system must set the "umask" parameter correctly.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-256583 | PHTN-30-000114 | SV-256583r991590_rule | CCI-000366 | medium |
| Description | ||||
| The "umask" value influences the permissions assigned to files when they are created. The "umask" setting in "login.defs" controls the permissions for a new user's home directory. By setting the proper "umask", home directories will only allow the new user to read and write files there. | ||||
| STIG | Date | |||
| VMware vSphere 7.0 vCenter Appliance Photon OS Security Technical Implementation Guide | 2024-12-16 | |||
Related Frameworks
4 paths across 3 frameworks
Related Frameworks
NIST 800-531 mapping
CM-6
1.00
- DISA · V1R4 · disa_xccdf · related
- DISA · 2025-01-23 · disa_cci_list · equivalent
NIST 800-1712 mappings
3.4.1
1.00
- DISA · V1R4 · disa_xccdf · related
- DISA · 2025-01-23 · disa_cci_list · equivalent
- NIST · Rev 2 (Feb 2020, errata Jan 2021) · nist_800_171_app_d · equivalent
3.4.2
1.00
- DISA · V1R4 · disa_xccdf · related
- DISA · 2025-01-23 · disa_cci_list · equivalent
- NIST · Rev 2 (Feb 2020, errata Jan 2021) · nist_800_171_app_d · equivalent
CCI1 mapping
CCI-000366
1.00
- DISA · V1R4 · disa_xccdf · related
Details
Check Text (C-256583r991590_chk)
At the command line, run the following command:
# grep ^UMASK /etc/login.defs
Example result:
UMASK 077
If "UMASK" is not configured to "077", this a finding.
Note: "UMASK" should only be specified once in login.defs.
Fix Text (F-60201r887422_fix)
Navigate to and open:
/etc/login.defs
Ensure the "UMASK" line is uncommented and set to the following:
UMASK 077