Guide to the Secure Configuration of Red Hat Enterprise Linux 9
Rules, Groups, and Values defined within the XCCDF Benchmark
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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 -
Only the VDSM User Can Use sudo NOPASSWD
The sudo <code>NOPASSWD</code> tag, when specified, allows a user to execute commands using sudo without having to authenticate. Only the <code>vds...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 -
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 -
Explicit arguments in sudo specifications
All commands in the sudoers file must strictly specify the arguments allowed to be used for a given user. If the command is supposed to be executed...Rule Medium Severity -
Don't define allowed commands in sudoers by means of exclusion
Policies applied by sudo through the sudoers file should not involve negation. Each user specification in the <code>sudoers</code> file contains a...Rule Medium Severity -
Don't target root user in the sudoers file
The targeted users of a user specification should be, as much as possible, non privileged users (i.e.: non-root). User specifications have to expl...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
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