The SSH daemon must use privilege separation.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22486 | GEN005537 | SV-46100r2_rule | Medium |
| Description |
|---|
| SSH daemon privilege separation causes the SSH process to drop root privileges when not needed, which would decrease the impact of software vulnerabilities in the unprivileged section. |
| STIG | Date |
|---|---|
| SUSE Linux Enterprise Server v11 for System z Security Technical Implementation Guide | 2018-09-19 |
Details
| Check Text ( C-43357r1_chk ) |
|---|
| Check the SSH daemon configuration for the UsePrivilegeSeparation setting. # grep -i UsePrivilegeSeparation /etc/ssh/sshd_config | grep -v '^#' If the setting is not present, or not set to "yes", this is a finding. |
| Fix Text (F-39444r2_fix) |
|---|
| Edit the SSH daemon configuration and add or edit the "UsePrivilegeSeparation" setting value to "yes". Restart the SSH daemon. # /sbin/service sshd restart |