CCE-95632-6| Platform: cpe:/o:debian:debian_linux:11.x, cpe:/o:ubuntu:ubuntu_linux:18.04, cpe:/o:ubuntu:ubuntu_linux:20.04, cpe:/o:ubuntu:ubuntu_linux:22.04, cpe:/o:ubuntu:ubuntu_linux:23.04 | Date: (C)2021-03-08 (M)2023-09-01 |
GDM is the GNOME Display Manager which handles graphical login for GNOME based systems.
Rationale:
Warning messages inform users who are attempting to login to the system of their legal status regarding the system and must include the name of the organization that owns the system and any monitoring policies that are in place.
Fix:
Edit or create the file /etc/gdm3/greeter.dconf-defaults and add the following :[org/gnome/login-screen]
banner-message-enable=true
banner-message-text='Welcome! This system is under surviellance.'
Parameter:
[Default message]
Technical Mechanism:
Edit or create the file /etc/gdm3/greeter.dconf-defaults and add the following :[org/gnome/login-screen]
banner-message-enable=true
banner-message-text= Welcome! This system is under surviellance.
| CCSS Severity: | CCSS Metrics: |
| CCSS Score : 4.3 | Attack Vector: NETWORK |
| Exploit Score: 2.8 | Attack Complexity: LOW |
| Impact Score: 1.4 | Privileges Required: LOW |
| Severity: MEDIUM | User Interaction: NONE |
| Vector: AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N | Scope: UNCHANGED |
| | Confidentiality: LOW |
| | Integrity: NONE |
| | Availability: NONE |
| | |
References: | Resource Id | Reference |
|---|
| SCAP Repo OVAL Definition | oval:org.secpod.oval:def:68685 |
| SCAP Repo OVAL Definition | oval:org.secpod.oval:def:85209 |
| SCAP Repo OVAL Definition | oval:org.secpod.oval:def:92358 |
| SCAP Repo OVAL Definition | oval:org.secpod.oval:def:87356 |
| SCAP Repo OVAL Definition | oval:org.secpod.oval:def:70675 |
| SCAP Repo OVAL Definition | oval:org.secpod.oval:def:70765 |
