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DISA STIG for Red Hat Enterprise Linux 8

Rules and Groups employed by this XCCDF Profile

  • Disable GDM Automatic Login

    The GNOME Display Manager (GDM) can allow users to automatically login without user interaction or credentials. User should always be required to a...
    Rule High Severity
  • Configure GNOME Screen Locking

    In the default GNOME3 desktop, the screen can be locked by selecting the user name in the far right corner of the main panel and selecting <b>Lock<...
    Group
  • Set GNOME3 Screensaver Inactivity Timeout

    The idle time-out value for inactivity in the GNOME3 desktop is configured via the <code>idle-delay</code> setting must be set under an appropriate...
    Rule Medium Severity
  • Set GNOME3 Screensaver Lock Delay After Activation Period

    To activate the locking delay of the screensaver in the GNOME3 desktop when the screensaver is activated, add or set <code>lock-delay</code> to <co...
    Rule Medium Severity
  • Enable GNOME3 Screensaver Lock After Idle Period

    To activate locking of the screensaver in the GNOME3 desktop when it is activated, add or set <code>lock-enabled</code> to <code>true</code> in <c...
    Rule Medium Severity
  • Ensure Users Cannot Change GNOME3 Screensaver Lock After Idle Period

    If not already configured, ensure that users cannot change GNOME3 screensaver lock settings by adding <pre>/org/gnome/desktop/screensaver/lock-enab...
    Rule Medium Severity
  • Ensure Users Cannot Change GNOME3 Screensaver Settings

    If not already configured, ensure that users cannot change GNOME3 screensaver lock settings by adding <code>/org/gnome/desktop/screensaver/lock-del...
    Rule Medium Severity
  • Ensure Users Cannot Change GNOME3 Session Idle Settings

    If not already configured, ensure that users cannot change GNOME3 session idle settings by adding <code>/org/gnome/desktop/session/idle-delay</code...
    Rule Medium Severity
  • GNOME System Settings

    GNOME provides configuration and functionality to a graphical desktop environment that changes grahical configurations or allow a user to perform a...
    Group
  • Disable Ctrl-Alt-Del Reboot Key Sequence in GNOME3

    By default, <code>GNOME</code> will reboot the system if the <code>Ctrl-Alt-Del</code> key sequence is pressed. <br><br> To configure the system to...
    Rule High Severity
  • Sudo

    <code>Sudo</code>, which stands for "su 'do'", provides the ability to delegate authority to certain users, groups of users, or system administrato...
    Group
  • Ensure Users Re-Authenticate for Privilege Escalation - sudo !authenticate

    The sudo <code>!authenticate</code> option, when specified, allows a user to execute commands using sudo without having to authenticate. This shoul...
    Rule Medium Severity
  • Ensure Users Re-Authenticate for Privilege Escalation - sudo NOPASSWD

    The sudo <code>NOPASSWD</code> tag, when specified, allows a user to execute commands using sudo without having to authenticate. This should be dis...
    Rule Medium Severity
  • Require Re-Authentication When Using the sudo Command

    The sudo <code>timestamp_timeout</code> tag sets the amount of time sudo password prompt waits. The default <code>timestamp_timeout</code> value is...
    Rule Medium Severity
  • The operating system must restrict privilege elevation to authorized personnel

    The sudo command allows a user to execute programs with elevated (administrator) privileges. It prompts the user for their password and confirms yo...
    Rule Medium Severity
  • Ensure sudo only includes the default configuration directory

    Administrators can configure authorized <code>sudo</code> users via drop-in files, and it is possible to include other directories and configuratio...
    Rule Medium Severity
  • Ensure invoking users password for privilege escalation when using sudo

    The sudoers security policy requires that users authenticate themselves before they can use sudo. When sudoers requires authentication, it validate...
    Rule Medium Severity
  • System Tooling / Utilities

    The following checks evaluate the system for recommended base packages -- both for installation and removal.
    Group
  • Install rng-tools Package

    The rng-tools package can be installed with the following command:
    $ sudo yum install rng-tools
    Rule Low Severity
  • Uninstall abrt-addon-ccpp Package

    The abrt-addon-ccpp package can be removed with the following command:
    $ sudo yum erase abrt-addon-ccpp
    Rule Low Severity
  • Uninstall abrt-addon-kerneloops Package

    The abrt-addon-kerneloops package can be removed with the following command:
    $ sudo yum erase abrt-addon-kerneloops
    Rule Low Severity
  • Uninstall abrt-cli Package

    The abrt-cli package can be removed with the following command:
    $ sudo yum erase abrt-cli
    Rule Low Severity
  • Uninstall abrt-plugin-sosreport Package

    The abrt-plugin-sosreport package can be removed with the following command:
    $ sudo yum erase abrt-plugin-sosreport
    Rule Low Severity
  • Uninstall gssproxy Package

    The gssproxy package can be removed with the following command:
    $ sudo yum erase gssproxy
    Rule Medium Severity
  • Uninstall iprutils Package

    The iprutils package can be removed with the following command:
    $ sudo yum erase iprutils
    Rule Medium Severity
  • Uninstall krb5-workstation Package

    The krb5-workstation package can be removed with the following command:
    $ sudo yum erase krb5-workstation
    Rule Medium Severity
  • Uninstall libreport-plugin-logger Package

    The libreport-plugin-logger package can be removed with the following command:
    $ sudo yum erase libreport-plugin-logger
    Rule Low Severity
  • Uninstall libreport-plugin-rhtsupport Package

    The <code>libreport-plugin-rhtsupport</code> package can be removed with the following command: <pre> $ sudo yum erase libreport-plugin-rhtsupport<...
    Rule Low Severity
  • Uninstall python3-abrt-addon Package

    The python3-abrt-addon package can be removed with the following command:
    $ sudo yum erase python3-abrt-addon
    Rule Low Severity
  • Uninstall tuned Package

    The tuned package can be removed with the following command:
    $ sudo yum erase tuned
    Rule Medium Severity
  • Updating Software

    The <code>yum</code> command line tool is used to install and update software packages. The system also provides a graphical software update tool i...
    Group
  • Ensure yum Removes Previous Package Versions

    <code>yum</code> should be configured to remove previous software components after new versions have been installed. To configure <code>yum</code> ...
    Rule Low Severity
  • Ensure gpgcheck Enabled In Main yum Configuration

    The <code>gpgcheck</code> option controls whether RPM packages' signatures are always checked prior to installation. To configure yum to check pack...
    Rule High Severity
  • Ensure gpgcheck Enabled for Local Packages

    <code>yum</code> should be configured to verify the signature(s) of local packages prior to installation. To configure <code>yum</code> to verify s...
    Rule High Severity
  • Ensure gpgcheck Enabled for All yum Package Repositories

    To ensure signature checking is not disabled for any repos, remove any lines from files in <code>/etc/yum.repos.d</code> of the form: <pre>gpgcheck...
    Rule High Severity
  • Ensure Red Hat GPG Key Installed

    To ensure the system can cryptographically verify base software packages come from Red Hat (and to connect to the Red Hat Network to receive them),...
    Rule High Severity
  • Ensure Software Patches Installed

    If the system is joined to the Red Hat Network, a Red Hat Satellite Server, or a yum server, run the following command to install updates: <pre>$ ...
    Rule Medium Severity
  • Account and Access Control

    In traditional Unix security, if an attacker gains shell access to a certain login account, they can perform any action or access any file to which...
    Group
  • Enable authselect

    Configure user authentication setup to use the <code>authselect</code> tool. If authselect profile is selected, the rule will enable the <xccdf-1.2...
    Rule Medium Severity
  • Warning Banners for System Accesses

    Each system should expose as little information about itself as possible. <br><br> System banners, which are typically displayed just before a logi...
    Group
  • Modify the System Login Banner

    To configure the system login banner edit <code>/etc/issue</code>. Replace the default text with a message compliant with the local site policy or...
    Rule Medium Severity
  • Implement a GUI Warning Banner

    In the default graphical environment, users logging directly into the system are greeted with a login screen provided by the GNOME Display Manager ...
    Group
  • Enable GNOME3 Login Warning Banner

    In the default graphical environment, displaying a login warning banner in the GNOME Display Manager's login screen can be enabled on the login scr...
    Rule Medium Severity
  • Set the GNOME3 Login Warning Banner Text

    In the default graphical environment, configuring the login warning banner text in the GNOME Display Manager's login screen can be configured on th...
    Rule Medium Severity
  • Protect Accounts by Configuring PAM

    PAM, or Pluggable Authentication Modules, is a system which implements modular authentication for Linux programs. PAM provides a flexible and confi...
    Group
  • Disallow Configuration to Bypass Password Requirements for Privilege Escalation

    Verify the operating system is not configured to bypass password requirements for privilege escalation. Check the configuration of the "/etc/pam.d/...
    Rule Medium Severity
  • Ensure PAM Displays Last Logon/Access Notification

    To configure the system to notify users of last logon/access using <code>pam_lastlog</code>, add or correct the <code>pam_lastlog</code> settings i...
    Rule Low Severity
  • Set Lockouts for Failed Password Attempts

    The <code>pam_faillock</code> PAM module provides the capability to lock out user accounts after a number of failed login attempts. Its documentati...
    Group
  • Configure the Use of the pam_faillock.so Module in the /etc/pam.d/password-auth File.

    The pam_faillock.so module must be loaded in preauth in /etc/pam.d/password-auth.
    Rule Medium Severity
  • Configure the Use of the pam_faillock.so Module in the /etc/pam.d/system-auth File.

    The pam_faillock.so module must be loaded in preauth in /etc/pam.d/system-auth.
    Rule Medium Severity

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