The SSH daemon must perform strict mode checking of home directory configuration files.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22485 | GEN005536 | SV-37900r2_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 |
|---|---|
| Red Hat Enterprise Linux 5 Security Technical Implementation Guide | 2017-03-01 |
Details
| Check Text ( C-37126r1_chk ) |
|---|
| Check the SSH daemon configuration for the StrictModes setting. # grep -i StrictModes /etc/ssh/sshd_config | grep -v '^#' If the setting is not present, or not set to "yes", this is a finding. |
| Fix Text (F-32394r2_fix) |
|---|
| Edit the SSH daemon configuration and add or edit the "StrictModes" setting value to "yes". Restart the SSH daemon. # /sbin/service sshd restart |