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The SSH daemon must not permit user environment settings.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-218003 | RHEL-06-000241 | SV-218003r505923_rule | Low |
| Description |
|---|
| SSH environment options potentially allow users to bypass access restriction in some configurations. |
| STIG | Date |
|---|---|
| Red Hat Enterprise Linux 6 Security Technical Implementation Guide | 2020-09-03 |
Details
| Check Text ( C-19484r377024_chk ) |
|---|
| To ensure users are not able to present environment daemons, run the following command: # grep PermitUserEnvironment /etc/ssh/sshd_config If properly configured, output should be: PermitUserEnvironment no If it is not, this is a finding. |
| Fix Text (F-19482r377025_fix) |
|---|
| To ensure users are not able to present environment options to the SSH daemon, add or correct the following line in "/etc/ssh/sshd_config": PermitUserEnvironment no |