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The SSH private host key files must have mode 0600 or less permissive.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22472 | GEN005523 | SV-37863r1_rule | ECLP-1 | Medium |
| Description |
|---|
| If an unauthorized user obtains the private SSH host key file, the host could be impersonated. |
| STIG | Date |
|---|---|
| Red Hat Enterprise Linux 5 Security Technical Implementation Guide | 2016-12-16 |
Details
| Check Text ( C-37075r1_chk ) |
|---|
| Check the permissions for SSH private host key files. # ls -lL /etc/ssh/*key If any file has a mode more permissive than 0600, this is a finding. |
| Fix Text (F-32347r1_fix) |
|---|
| Change the permissions for the SSH private host key files. # chmod 0600 /etc/ssh/*key |