The AIX SSH daemon must be configured to disable user .rhosts files.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-215303 | AIX7-00-002121 | SV-215303r991591_rule | Medium |
| Description |
| Trust .rhost file means a compromise on one host can allow an attacker to move trivially to other hosts. |
| STIG | Date |
| IBM AIX 7.x Security Technical Implementation Guide | 2024-08-16 |
Details
| Check Text (C-16501r294360_chk) |
| Check the SSH daemon configuration for allowed ".rhosts" using command: # grep -i IgnoreRhosts /etc/ssh/sshd_config | grep -v '^#' IgnoreRhosts yes If no lines are returned, or the returned "IgnoreRhosts" directive is not set to "yes", this is a finding. |
| Fix Text (F-16499r294361_fix) |
| Edit "/etc/ssh/sshd_config" and add or update the "IgnoreRhosts " line as: IgnoreRhosts yes Save the change and restart ssh daemon: # stopsrc -s sshd # startsrc -s sshd |