Guide to the Secure Configuration of Red Hat Enterprise Linux 10
Rules, Groups, and Values defined within the XCCDF Benchmark
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Verify Group Who Owns /etc/sudoers File
To properly set the group owner of/etc/sudoers, run the command:$ sudo chgrp root /etc/sudoers
Rule Medium Severity -
Verify User Who Owns /etc/sudoers File
To properly set the owner of/etc/sudoers, run the command:$ sudo chown root /etc/sudoers
Rule Medium Severity -
Verify Permissions On /etc/sudoers File
To properly set the permissions of/etc/sudoers, run the command:$ sudo chmod 0440 /etc/sudoers
Rule Medium Severity -
Ensure That the sudo Binary Has the Correct Permissions
To properly set the permissions of/usr/bin/sudo, run the command:$ sudo chmod 4111 /usr/bin/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 Ignores Commands In Current Dir - sudo ignore_dot
The sudo <code>ignore_dot</code> tag, when specified, will ignore the current directory in the PATH environment variable. On Red Hat Enterprise Lin...Rule Medium Severity -
Ensure Privileged Escalated Commands Cannot Execute Other Commands - sudo NOEXEC
The sudo <code>NOEXEC</code> tag, when specified, prevents user executed commands from executing other commands, like a shell for example. This sho...Rule High 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 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
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