The AIX SSH daemon must not allow RhostsRSAAuthentication.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| medium | V-215305 | SRG-OS-000480-GPOS-00229 | AIX7-00-002123 | SV-215305r991591_rule | 2024-08-16 | 3 |
| Description |
|---|
| If SSH permits rhosts RSA authentication, a user may be able to log in based on the keys of the host originating the request and not any user-specific authentication. |
| ℹ️ Check |
|---|
| Check the SSH daemon configuration for the "RhostsRSAAuthentication" setting by running: # grep -i RhostsRSAAuthentication /etc/ssh/sshd_config | grep -v '^#' The above command should yield the following output: RhostsRSAAuthentication no If the setting is present and set to "yes", this is a finding. |
| ✔️ Fix |
|---|
| Edit the "/etc/ssh/sshd_config file", add the following line, and save the change: RhostsRSAAuthentication no Restart the SSH daemon: # stopsrc -s sshd # startsrc -s sshd |