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DRAFT - Australian Cyber Security Centre (ACSC) ISM Official - Base

Rules and Groups employed by this XCCDF Profile

  • System Settings

    Contains rules that check correct system settings.
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  • 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...
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  • System and Software Integrity

    System and software integrity can be gained by installing antivirus, increasing system encryption strength with FIPS, verifying installed software,...
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  • Software Integrity Checking

    Both the AIDE (Advanced Intrusion Detection Environment) software and the RPM package management system provide mechanisms for verifying the integr...
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  • Verify Integrity with AIDE

    AIDE conducts integrity checks by comparing information about files with previously-gathered information. Ideally, the AIDE database is created imm...
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  • Install AIDE

    The aide package can be installed with the following command: 
    $ sudo dnf install aide
    Rule Medium Severity
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  • Federal Information Processing Standard (FIPS)

    The Federal Information Processing Standard (FIPS) is a computer security standard which is developed by the U.S. Government and industry working g...
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  • Enable FIPS Mode

    To enable FIPS mode, run the following command: <pre>fips-mode-setup --enable</pre> <br> The <code>fips-mode-setup</code> comman...
    Rule High Severity
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  • System Cryptographic Policies

    Linux has the capability to centrally configure cryptographic polices. The command <code>update-crypto-policies</code> is used to set the policy ap...
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  • Configure System Cryptography Policy

    To configure the system cryptography policy to use ciphers only from the <code><xccdf-1.2:sub idref="xccdf_org.ssgproject.content_value_var_system_...
    Rule High Severity
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  • Configure Kerberos to use System Crypto Policy

    Crypto Policies provide a centralized control over crypto algorithms usage of many packages. Kerberos is supported by crypto policy, but it's confi...
    Rule High Severity
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  • Configure SSH to use System Crypto Policy

    Crypto Policies provide a centralized control over crypto algorithms usage of many packages. SSH is supported by crypto policy, but the SSH configu...
    Rule Medium Severity
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  • Sudo

    <code>Sudo</code>, which stands for "su 'do'", provides the ability to delegate authority to certain users, groups of users, or system administrato...
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  • Install sudo Package

    The sudo package can be installed with the following command: 
    $ sudo dnf install sudo
    Rule Medium Severity
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  • 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
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  • 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
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  • Ensure Users Re-Authenticate for Privilege Escalation - sudo

    The sudo <code>NOPASSWD</code> and <code>!authenticate</code> option, when specified, allows a user to execute commands using sudo without having t...
    Rule Medium Severity
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  • System Tooling / Utilities

    The following checks evaluate the system for recommended base packages -- both for installation and removal.
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  • Install libdnf-plugin-subscription-manager Package

    The <code>libdnf-plugin-subscription-manager</code> package can be installed with the following command: <pre> $ sudo dnf install libdnf-plugin-sub...
    Rule Medium Severity
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  • Install subscription-manager Package

    The <code>subscription-manager</code> package can be installed with the following command: <pre> $ sudo dnf install subscription-manager</pre> ...
    Rule Medium Severity
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  • Updating Software

    The <code>dnf</code> command line tool is used to install and update software packages. The system also provides a graphical software update tool i...
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  • 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
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  • 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
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  • Ensure gpgcheck Enabled In Main dnf Configuration

    The <code>gpgcheck</code> option controls whether RPM packages' signatures are always checked prior to installation. To configure dnf to check pack...
    Rule High Severity
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  • Ensure gpgcheck Enabled for Local Packages

    <code>dnf</code> should be configured to verify the signature(s) of local packages prior to installation. To configure <code>dnf</code> to verify s...
    Rule High Severity
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  • Ensure gpgcheck Enabled for All dnf 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
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  • Ensure Red Hat GPG Key Installed

    To ensure the system can cryptographically verify base software packages come from Red Hat (and to connect to the Red Hat Network to receive them),...
    Rule High Severity
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  • 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
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  • 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
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  • 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...
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  • 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...
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  • Lock Accounts After Failed Password Attempts

    This rule configures the system to lock out accounts after a number of incorrect login attempts using <code>pam_faillock.so</code>. pam_faillock.so...
    Rule Medium Severity
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  • Configure the root Account for Failed Password Attempts

    This rule configures the system to lock out the <code>root</code> account after a number of incorrect login attempts using <code>pam_faillock.so</c...
    Rule Medium Severity
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  • Set Interval For Counting Failed Password Attempts

    Utilizing <code>pam_faillock.so</code>, the <code>fail_interval</code> directive configures the system to lock out an account after a number of inc...
    Rule Medium Severity
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  • Set Lockout Time for Failed Password Attempts

    This rule configures the system to lock out accounts during a specified time period after a number of incorrect login attempts using <code>pam_fail...
    Rule Medium Severity
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  • Set Password Quality Requirements

    The default <code>pam_pwquality</code> PAM module provides strength checking for passwords. It performs a number of checks, such as making sure pas...
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  • Set Password Quality Requirements with pam_pwquality

    The <code>pam_pwquality</code> PAM module can be configured to meet requirements for a variety of policies. <br> <br> For example...
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  • Ensure PAM Enforces Password Requirements - Minimum Digit Characters

    The pam_pwquality module's <code>dcredit</code> parameter controls requirements for usage of digits in a password. When set to a negative number, a...
    Rule Medium Severity
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  • Ensure PAM Enforces Password Requirements - Minimum Lowercase Characters

    The pam_pwquality module's <code>lcredit</code> parameter controls requirements for usage of lowercase letters in a password. When set to a negativ...
    Rule Medium Severity
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  • Ensure PAM Enforces Password Requirements - Minimum Different Categories

    The pam_pwquality module's <code>minclass</code> parameter controls requirements for usage of different character classes, or types, of character t...
    Rule Medium Severity
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  • Ensure PAM Enforces Password Requirements - Minimum Length

    The pam_pwquality module's <code>minlen</code> parameter controls requirements for minimum characters required in a password. Add <code>minlen=<xcc...
    Rule Medium Severity
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  • Ensure PAM Enforces Password Requirements - Minimum Special Characters

    The pam_pwquality module's <code>ocredit=</code> parameter controls requirements for usage of special (or "other") characters in a password. When s...
    Rule Medium Severity
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  • Ensure PAM Enforces Password Requirements - Minimum Uppercase Characters

    The pam_pwquality module's <code>ucredit=</code> parameter controls requirements for usage of uppercase letters in a password. When set to a negati...
    Rule Medium Severity
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  • Set Password Hashing Algorithm

    The system's default algorithm for storing password hashes in /etc/shadow is SHA-512. This can be configured in several locations.
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  • Set Password Hashing Algorithm in /etc/libuser.conf

    In <code>/etc/libuser.conf</code>, add or correct the following line in its <code>[defaults]</code> section to ensure the system will use the <xccd...
    Rule Medium Severity
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  • Set Password Hashing Algorithm in /etc/login.defs

    In <code>/etc/login.defs</code>, add or update the following line to ensure the system will use <xccdf-1.2:sub idref="xccdf_org.ssgproject.content_...
    Rule Medium Severity
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  • Set PAM''s Password Hashing Algorithm - password-auth

    The PAM system service can be configured to only store encrypted representations of passwords. In <code>/etc/pam.d/password-auth</code>, the <code>...
    Rule Medium Severity
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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
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  • 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...
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  • 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> ...
    Rule Medium Severity
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Node 2

siemur/test-space

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.

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