Guide to the Secure Configuration of Red Hat Enterprise Linux 8
Rules, Groups, and Values defined within the XCCDF Benchmark
-
Sudo - timestamp_timeout value
Defines the number of minutes that can elapse before <code>sudo</code> will ask for a passwd again. If set to a value less than 0 the user's time s...Value -
Sudo - umask value
Specify the sudo umask to use. The actual umask value that is used is the union of the user's umask and the sudo umask. The default sudo umask is 0...Value -
Install sudo Package
Thesudopackage can be installed with the following command:$ sudo yum install sudo
Rule Medium Severity -
Ensure sudo Runs In A Minimal Environment - sudo env_reset
The sudo <code>env_reset</code> tag, when specified, will run the command in a minimal environment, containing the TERM, PATH, HOME, MAIL, SHELL, L...Rule Medium Severity -
Ensure sudo passwd_timeout is appropriate - sudo passwd_timeout
The sudo <code>passwd_timeout</code> tag sets the amount of time sudo password prompt waits. On Red Hat Enterprise Linux 8, the default <code>passw...Rule Medium Severity -
Ensure Only Users Logged In To Real tty Can Execute Sudo - sudo requiretty
The sudo <code>requiretty</code> tag, when specified, will only execute sudo commands from users logged in to a real tty. This should be enabled by...Rule Medium Severity -
Ensure sudo umask is appropriate - sudo umask
The sudo <code>umask</code> tag, when specified, will be added the to the user's umask in the command environment. On Red Hat Enterprise Linux 8, t...Rule Medium Severity -
Ensure Only Users Logged In To Real tty Can Execute Sudo - sudo use_pty
The sudo <code>use_pty</code> tag, when specified, will only execute sudo commands from users logged in to a real tty. This should be enabled by ma...Rule Medium Severity -
Ensure Sudo Logfile Exists - sudo logfile
A custom log sudo file can be configured with the 'logfile' tag. This rule configures a sudo custom logfile at the default location suggested by CI...Rule Low Severity -
Ensure a dedicated group owns sudo
Restrict the execution of privilege escalated commands to a dedicated group of users. Ensure the group owner of /usr/bin/sudo is <xccdf-1.2:sub xml...Rule Medium Severity
Node 2
The content of the drawer really is up to you. It could have form fields, definition lists, text lists, labels, charts, progress bars, etc. Spacing recommendation is 24px margins. You can put tabs in here, and can also make the drawer scrollable.