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Unattended or automatic login via the Graphical User Interface must not be allowed.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-214972 | UBTU-16-010330 | SV-214972r508033_rule | High |
| Description |
|---|
| Failure to restrict system access to authenticated users negatively impacts Ubuntu operating system security. |
| STIG | Date |
|---|---|
| Canonical Ubuntu 16.04 LTS Security Technical Implementation Guide | 2020-09-03 |
Details
| Check Text ( C-16171r284784_chk ) |
|---|
| Verify that unattended or automatic login via the Graphical User Interface is disabled. Check that unattended or automatic login is disabled with the following command: # sudo grep -i autologin /etc/lightdm/lightdm.conf /etc/lightdm.d/*.conf | grep -v '#' If any results are returned, this is a finding. |
| Fix Text (F-16169r284785_fix) |
|---|
| Configure the Graphical User Interface to not allow unattended or automatic login to the system. Comment or remove the following lines in "/etc/lightdm/lightdm.conf" file: #autologin-user= #autologin-user-timeout=0 |