ANSSI-BP-028 (minimal)
Rules and Groups employed by this XCCDF Profile
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System Settings
Contains rules that check correct system settings.Group -
Installing and Maintaining Software
The following sections contain information on security-relevant choices during the initial operating system installation process and the setup of s...Group -
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 -
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 -
Install dnf-automatic Package
Thednf-automatic
package can be installed with the following command:$ sudo yum install dnf-automatic
Rule Medium Severity -
Configure dnf-automatic to Install Available Updates Automatically
To ensure that the packages comprising the available updates will be automatically installed by <code>dnf-automatic</code>, set <code>apply_updates...Rule Medium Severity -
Configure dnf-automatic to Install Only Security Updates
To configure <code>dnf-automatic</code> to install only security updates automatically, set <code>upgrade_type</code> to <code>security</code> unde...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 Oracle Linux GPG Key Installed
To ensure the system can cryptographically verify base software packages come from Oracle (and to connect to the Unbreakable Linux Network to recei...Rule High Severity -
Ensure Software Patches Installed
If the system is joined to the ULN or a yum server, run the following command to install updates: <pre>$ sudo yum update</pre> If the system is no...Rule Medium Severity -
Enable dnf-automatic Timer
Thednf-automatic
timer can be enabled with the following command:$ sudo systemctl enable dnf-automatic.timer
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 -
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 -
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 -
Limit Password Reuse
Do not allow users to reuse recent passwords. This can be accomplished by using the <code>remember</code> option for the <code>pam_unix</code> or <...Rule Medium Severity
Node 2
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