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AIX must turn on SSH daemon privilege separation.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-91725 | AIX7-00-002114 | SV-101823r1_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 |
|---|---|
| IBM AIX 7.x Security Technical Implementation Guide | 2020-02-24 |
Details
| Check Text ( C-90879r4_chk ) |
|---|
| Check the SSH daemon configuration for the "UsePrivilegeSeparation" setting using command: # grep -i UsePrivilegeSeparation /etc/ssh/sshd_config | grep -v '^#' UsePrivilegeSeparation yes If the setting is not present or the setting is "no", this is a finding. |
| Fix Text (F-97923r1_fix) |
|---|
| Edit the "/etc/sshd/sshd_config" file and add the following line: UsePrivilegeSeparation yes Restart the SSH daemon: # stopsrc -s sshd # startsrc -s sshd |