Finding ID | Version | Rule ID | IA Controls | Severity |
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V-221697 | OL07-00-010470 | SV-221697r877377_rule | Medium |
Description |
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Failure to restrict system access to authenticated users negatively impacts operating system security. |
STIG | Date |
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Oracle Linux 7 Security Technical Implementation Guide | 2023-06-02 |
Check Text ( C-23412r419163_chk ) |
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Verify the operating system does not allow a non-certificate trusted host SSH logon to the system. Check for the value of the "HostbasedAuthentication" keyword with the following command: # grep -i hostbasedauthentication /etc/ssh/sshd_config HostbasedAuthentication no If the "HostbasedAuthentication" keyword is not set to "no", is missing, or is commented out, this is a finding. |
Fix Text (F-23401r419164_fix) |
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Configure the operating system not to allow a non-certificate trusted host SSH logon to the system. Edit the "/etc/ssh/sshd_config" file to uncomment or add the line for "HostbasedAuthentication" keyword and set the value to "no": HostbasedAuthentication no The SSH service must be restarted for changes to take effect. |