All shell files must be owned by root or bin.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-921 | GEN002200 | SV-63677r1_rule | Medium |
| Description |
|---|
| If shell files are owned by users other than root or bin, they could be modified by intruders or malicious users to perform unauthorized actions. |
| STIG | Date |
|---|---|
| Oracle Linux 5 Security Technical Implementation Guide | 2020-02-25 |
Details
| Check Text ( C-52295r1_chk ) |
|---|
| Check the ownership of the system shells. # cat /etc/shells | xargs -n1 ls -l If any shell is not owned by root or bin, this is a finding. |
| Fix Text (F-54257r2_fix) |
|---|
| Change the ownership of the shell with incorrect ownership. # chown root |