RHV hardening based on STIG for Red Hat Enterprise Linux 7
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 -
System and Software Integrity
System and software integrity can be gained by installing antivirus, increasing system encryption strength with FIPS, verifying installed software,...Group -
Disable Prelinking
The prelinking feature changes binaries in an attempt to decrease their startup time. In order to disable it, change or add the following line insi...Rule Medium Severity -
Software Integrity Checking
Both the AIDE (Advanced Intrusion Detection Environment) software and the RPM package management system provide mechanisms for verifying the integr...Group -
Verify Integrity with RPM
The RPM package management system includes the ability to verify the integrity of installed packages by comparing the installed files with informat...Group -
Verify File Hashes with RPM
Without cryptographic integrity protections, system executables and files can be altered by unauthorized users without detection. The RPM package m...Rule High Severity -
Verify and Correct Ownership with RPM
The RPM package management system can check file ownership permissions of installed software packages, including many that are important to system ...Rule High Severity -
Verify and Correct File Permissions with RPM
The RPM package management system can check file access permissions of installed software packages, including many that are important to system sec...Rule High Severity -
Verify Integrity with AIDE
AIDE conducts integrity checks by comparing information about files with previously-gathered information. Ideally, the AIDE database is created imm...Group -
Install AIDE
Theaidepackage can be installed with the following command:$ sudo yum install aide
Rule Medium Severity -
Build and Test AIDE Database
Run the following command to generate a new database: <pre>$ sudo /usr/sbin/aide --init</pre> By default, the database will be written to the fil...Rule Medium Severity -
Configure Periodic Execution of AIDE
At a minimum, AIDE should be configured to run a weekly scan. To implement a daily execution of AIDE at 4:05am using cron, add the following line t...Rule Medium Severity -
Configure Notification of Post-AIDE Scan Details
AIDE should notify appropriate personnel of the details of a scan after the scan has been run. If AIDE has already been configured for periodic exe...Rule Medium Severity -
Configure AIDE to Use FIPS 140-2 for Validating Hashes
By default, the <code>sha512</code> option is added to the <code>NORMAL</code> ruleset in AIDE. If using a custom ruleset or the <code>sha512</code...Rule Medium Severity -
Configure AIDE to Verify Access Control Lists (ACLs)
By default, the <code>acl</code> option is added to the <code>FIPSR</code> ruleset in AIDE. If using a custom ruleset or the <code>acl</code> optio...Rule Low Severity -
Configure AIDE to Verify Extended Attributes
By default, the <code>xattrs</code> option is added to the <code>FIPSR</code> ruleset in AIDE. If using a custom ruleset or the <code>xattrs</code>...Rule Low Severity -
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...Group -
Install the dracut-fips Package
To enable FIPS, the system requires that the <code>dracut-fips</code> package be installed. The <code>dracut-fips</code> package can be installed w...Rule Medium Severity -
Enable FIPS Mode in GRUB2
To ensure FIPS mode is enabled, install package <code>dracut-fips</code>, and rebuild <code>initramfs</code> by running the following commands: <pr...Rule High Severity -
Operating System Vendor Support and Certification
The assurance of a vendor to provide operating system support and maintenance for their product is an important criterion to ensure product stabili...Group -
The Installed Operating System Is FIPS 140-2 Certified
To enable processing of sensitive information the operating system must provide certified cryptographic modules compliant with FIPS 140-2 standard....Rule High Severity -
Endpoint Protection Software
Endpoint protection security software that is not provided or supported by Red Hat can be installed to provide complementary or duplicative secur...Group -
Install Virus Scanning Software
Virus scanning software can be used to protect a system from penetration from computer viruses and to limit their spread through intermediate syste...Rule High Severity -
Install Intrusion Detection Software
The base Red Hat Enterprise Linux 7 platform already includes a sophisticated auditing system that can detect intruder activity, as well as SELinux...Rule High Severity -
Disk Partitioning
To ensure separation and protection of data, there are top-level system directories which should be placed on their own physical partition or logic...Group -
Encrypt Partitions
Red Hat Enterprise Linux 7 natively supports partition encryption through the Linux Unified Key Setup-on-disk-format (LUKS) technology. The easiest...Rule High Severity -
Ensure /home Located On Separate Partition
If user home directories will be stored locally, create a separate partition for <code>/home</code> at installation time (or migrate it later using...Rule Low Severity -
Ensure /tmp Located On Separate Partition
The <code>/tmp</code> directory is a world-writable directory used for temporary file storage. Ensure it has its own partition or logical volume at...Rule Low Severity -
Ensure /var Located On Separate Partition
The <code>/var</code> directory is used by daemons and other system services to store frequently-changing data. Ensure that <code>/var</code> has i...Rule Low Severity -
Ensure /var/log/audit Located On Separate Partition
Audit logs are stored in the <code>/var/log/audit</code> directory. Ensure that <code>/var/log/audit</code> has its own partition or logical volum...Rule Low Severity -
GNOME Desktop Environment
GNOME is a graphical desktop environment bundled with many Linux distributions that allow users to easily interact with the operating system graphi...Group -
Remove the GDM Package Group
By removing the <code>gdm</code> package, the system no longer has GNOME installed installed. If X Windows is not installed then the system canno...Rule Medium Severity -
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 -
Only the VDSM User Can Use sudo NOPASSWD
The sudo <code>NOPASSWD</code> tag, when specified, allows a user to execute commands using sudo without having to authenticate. Only the <code>vds...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 -
Ensure yum Removes Previous Package Versions
<code>yum</code> should be configured to remove previous software components after new versions have been installed. To configure <code>yum</code> ...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 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 -
Ensure Software Patches Installed
If the system is joined to the Red Hat Network, a Red Hat Satellite Server, or a yum server, run the following command to install updates: <pre>$ ...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 -
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
Node 2
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.
Capacity
Modules