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AIX SSH daemon must perform strict mode checking of home directory configuration files.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-91729 | AIX7-00-002116 | SV-101827r1_rule | Medium |
| Description |
|---|
| If other users have access to modify user-specific SSH configuration files, they may be able to log into the system as another user. |
| STIG | Date |
|---|---|
| IBM AIX 7.x Security Technical Implementation Guide | 2020-02-24 |
Details
| Check Text ( C-90883r3_chk ) |
|---|
| Check the SSH daemon configuration for the "StrictModes" setting using command: # grep -i StrictModes /etc/ssh/sshd_config | grep -v '^#' StrictModes yes If the setting is missing or is set to "no", this is a finding. |
| Fix Text (F-97927r1_fix) |
|---|
| Edit the "/etc/sshd/sshd_config" file and add or change the "StrictModes" setting to "yes". Restart the SSH daemon: # stopsrc -s sshd # startsrc -s sshd |