DRAFT - DISA STIG for Red Hat Virtualization Host (RHVH)
Rules and Groups employed by this XCCDF Profile
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Warning Banners for System Accesses
Each system should expose as little information about itself as possible. <br><br> System banners, which are typically displayed just before a logi...Group -
Modify the System Login Banner
To configure the system login banner edit <code>/etc/issue</code>. Replace the default text with a message compliant with the local site policy or...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 -
Ensure PAM Displays Last Logon/Access Notification
To configure the system to notify users of last logon/access using <code>pam_lastlog</code>, add or correct the <code>pam_lastlog</code> settings i...Rule Low Severity -
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 -
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 -
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 -
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 -
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 -
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...Group -
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, to configure <cod...Group -
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 -
Ensure PAM Enforces Password Requirements - Minimum Different Characters
The pam_pwquality module's <code>difok</code> parameter sets the number of characters in a password that must not be present in and old password du...Rule Medium Severity -
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 -
Ensure PAM Enforces Password Requirements - Maximum Consecutive Repeating Characters from Same Character Class
The pam_pwquality module's <code>maxclassrepeat</code> parameter controls requirements for consecutive repeating characters from the same character...Rule Medium Severity -
Set Password Maximum Consecutive Repeating Characters
The pam_pwquality module's <code>maxrepeat</code> parameter controls requirements for consecutive repeating characters. When set to a positive numb...Rule Medium Severity -
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 -
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 -
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 -
Ensure PAM Enforces Password Requirements - Authentication Retry Prompts Permitted Per-Session
To configure the number of retry prompts that are permitted per-session: Edit the <code>pam_pwquality.so</code> statement in <code>/etc/pam.d/sys...Rule Medium Severity -
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 -
Set Password Hashing Algorithm
The system's default algorithm for storing password hashes in/etc/shadowis SHA-512. This can be configured in several locations.Group -
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 SHA-5...Rule Medium Severity -
Set Password Hashing Algorithm in /etc/login.defs
In <code>/etc/login.defs</code>, add or correct the following line to ensure the system will use <xccdf-1.2:sub idref="xccdf_org.ssgproject.content...Rule Medium Severity -
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 -
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 -
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 -
Verify that Interactive Boot is Disabled
Red Hat Virtualization 4 systems support an "interactive boot" option that can be used to prevent services from being started. On a Red Hat Virtual...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 -
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 the pcsc-lite package
Thepcsc-litepackage can be installed with the following command:$ sudo yum install pcsc-lite
Rule Medium Severity -
Enable the pcscd Service
Thepcscdservice can be enabled with the following command:$ sudo systemctl enable pcscd.service
Rule Medium Severity -
Configure opensc Smart Card Drivers
The OpenSC smart card tool can auto-detect smart card drivers; however, setting the smart card drivers in use by your organization helps to prevent...Rule Medium Severity -
Force opensc To Use Defined Smart Card Driver
The OpenSC smart card middleware can auto-detect smart card drivers; however by forcing the smart card driver in use by your organization, opensc w...Rule Medium Severity -
Protect Accounts by Restricting Password-Based Login
Conventionally, Unix shell accounts are accessed by providing a username and password to a login program, which tests these values for correctness ...Group -
Set Account Expiration Parameters
Accounts can be configured to be automatically disabled after a certain time period, meaning that they will require administrator interaction to be...Group -
Set Account Expiration Following Inactivity
To specify the number of days after a password expires (which signifies inactivity) until an account is permanently disabled, add or correct the fo...Rule Medium Severity -
Assign Expiration Date to Temporary Accounts
Temporary accounts are established as part of normal account activation procedures when there is a need for short-term accounts. In the event tempo...Rule Medium Severity -
Set Password Expiration Parameters
The file <code>/etc/login.defs</code> controls several password-related settings. Programs such as <code>passwd</code>, <code>su</code>, and <code>...Group -
Set Password Maximum Age
To specify password maximum age for new accounts, edit the file <code>/etc/login.defs</code> and add or correct the following line: <pre>PASS_MAX_D...Rule Medium Severity -
Set Password Minimum Age
To specify password minimum age for new accounts, edit the file <code>/etc/login.defs</code> and add or correct the following line: <pre>PASS_MIN_D...Rule Medium Severity -
Set Password Minimum Length in login.defs
To specify password length requirements for new accounts, edit the file <code>/etc/login.defs</code> and add or correct the following line: <pre>PA...Rule Medium Severity
Node 2
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