Finding ID | Version | Rule ID | IA Controls | Severity |
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V-248714 | OL08-00-020330 | SV-248714r951576_rule | High |
Description |
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If an account has an empty password, anyone could log on and run commands with the privileges of that account. Accounts with empty passwords should never be used in operational environments. |
STIG | Date |
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Oracle Linux 8 Security Technical Implementation Guide | 2024-02-19 |
Check Text ( C-52148r951575_chk ) |
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To verify that null passwords cannot be used, run the following command: $ sudo /usr/sbin/sshd -dd 2>&1 | awk '/filename/ {print $4}' | tr -d '\r' | tr '\n' ' ' | xargs sudo grep -iH '^\s*permitemptypasswords' PermitEmptyPasswords no If "PermitEmptyPasswords" is set to "yes", this is a finding. If conflicting results are returned, this is a finding. |
Fix Text (F-52102r779707_fix) |
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Edit the following line in "etc/ssh/sshd_config" to prevent logons with empty passwords. PermitEmptyPasswords no The SSH daemon must be restarted for the changes to take effect. To restart the SSH daemon, run the following command: $ sudo systemctl restart sshd.service |