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The SSH daemon must not permit user environment settings.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-63201 | ESXI-06-000016 | SV-77691r1_rule | Medium |
| Description |
|---|
| SSH environment options potentially allow users to bypass access restriction in some configurations. |
| STIG | Date |
|---|---|
| VMware vSphere ESXi 6.0 Security Technical Implementation Guide | 2017-07-11 |
Details
| Check Text ( C-63935r1_chk ) |
|---|
| To verify users are not able to present environment daemons, run the following command: # grep -i "^PermitUserEnvironment" /etc/ssh/sshd_config If there is no output or the output is not exactly "PermitUserEnvironment no", this is a finding. |
| Fix Text (F-69119r1_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 |