DISA STIG for Oracle Linux 8
Rules and Groups employed by this XCCDF Profile
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Set PAM''s Password Hashing Algorithm
The PAM system service can be configured to only store encrypted representations of passwords. In "/etc/pam.d/system-auth", the <code>password</cod...Rule Medium Severity -
Set Password Hashing Rounds in /etc/login.defs
In <code>/etc/login.defs</code>, ensure <code>SHA_CRYPT_MIN_ROUNDS</code> and <code>SHA_CRYPT_MAX_ROUNDS</code> has the minimum value of <code>5000...Rule Medium Severity -
Protect Physical Console Access
It is impossible to fully protect a system from an attacker with physical access, so securing the space in which the system is located should be co...Group -
Disable debug-shell SystemD Service
SystemD's <code>debug-shell</code> service is intended to diagnose SystemD related boot issues with various <code>systemctl</code> commands. Once e...Rule Medium Severity -
Disable Ctrl-Alt-Del Burst Action
By default, <code>SystemD</code> will reboot the system if the <code>Ctrl-Alt-Del</code> key sequence is pressed Ctrl-Alt-Delete more than 7 times ...Rule High Severity -
Disable Ctrl-Alt-Del Reboot Activation
By default, <code>SystemD</code> will reboot the system if the <code>Ctrl-Alt-Del</code> key sequence is pressed. <br><br> To configure the system ...Rule High Severity -
Require Authentication for Emergency Systemd Target
Emergency mode is intended as a system recovery method, providing a single user root access to the system during a failed boot sequence. <br><br> B...Rule Medium Severity -
Require Authentication for Single User Mode
Single-user mode is intended as a system recovery method, providing a single user root access to the system by providing a boot option at startup. ...Rule Medium Severity -
Configure Screen Locking
When a user must temporarily leave an account logged-in, screen locking should be employed to prevent passersby from abusing the account. User educ...Group -
Configure Console Screen Locking
A console screen locking mechanism is a temporary action taken when a user stops work and moves away from the immediate physical vicinity of the in...Group -
Install the tmux Package
To enable console screen locking, install the <code>tmux</code> package. A session lock is a temporary action taken when a user stops work and move...Rule Medium Severity -
Support session locking with tmux (not enforcing)
The <code>tmux</code> terminal multiplexer is used to implement automatic session locking. It should be started from <code>/etc/bashrc</code> or dr...Rule Medium Severity -
Configure tmux to lock session after inactivity
To enable console screen locking in <code>tmux</code> terminal multiplexer after a period of inactivity, the <code>lock-after-time</code> option ha...Rule Medium Severity -
Configure the tmux Lock Command
To enable console screen locking in <code>tmux</code> terminal multiplexer, the <code>vlock</code> command must be configured to be used as a locki...Rule Medium Severity -
Configure the tmux lock session key binding
To set a key binding for the screen locking in <code>tmux</code> terminal multiplexer, the <code>session-lock</code> command must be bound to a key...Rule Low Severity -
Prevent user from disabling the screen lock
Thetmuxterminal multiplexer is used to implement automatic session locking. It should not be listed in/etc/shells.Rule Low Severity -
Check that vlock is installed to allow session locking
The Oracle Linux 8 operating system must have vlock installed to allow for session locking. The <code>kbd</code> package can be installed with th...Rule Medium Severity -
Hardware Tokens for Authentication
The use of hardware tokens such as smart cards for system login provides stronger, two-factor authentication than using a username and password. I...Group -
Install the opensc Package For Multifactor Authentication
Theopenscpackage can be installed with the following command:$ sudo yum install opensc
Rule Medium Severity -
Install Smart Card Packages For Multifactor Authentication
Configure the operating system to implement multifactor authentication by installing the required package with the following command: The <code>op...Rule Medium Severity
Node 2
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