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All TOSS local files and directories must have a valid owner.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-253100 | TOSS-04-040580 | SV-253100r824972_rule | Medium |
| Description |
|---|
| Unowned files and directories may be unintentionally inherited if a user is assigned the same User Identifier "UID" as the UID of the un-owned files. |
| STIG | Date |
|---|---|
| Tri-Lab Operating System Stack (TOSS) 4 Security Technical Implementation Guide | 2022-08-29 |
Details
| Check Text ( C-56553r824970_chk ) |
|---|
| Verify all local files and directories on TOSS have a valid owner with the following command: Note: The value after -fstype must be replaced with the filesystem type. XFS is used as an example. $ sudo find / -fstype xfs -nouser If any files on the system do not have an assigned owner, this is a finding. Note: Command may produce error messages from the /proc and /sys directories. |
| Fix Text (F-56503r824971_fix) |
|---|
| Either remove all files and directories from the system that do not have a valid user, or assign a valid user to all unowned files and directories on TOSS with the "chown" command: $ sudo chown |