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CIS Red Hat Enterprise Linux 8 Benchmark for Level 1 - Workstation

Rules and Groups employed by this XCCDF Profile

  • Ensure that System Accounts Do Not Run a Shell Upon Login

    Some accounts are not associated with a human user of the system, and exist to perform some administrative functions. Should an attacker be able to log into these accounts, they should not be grant...
    Rule Medium Severity
    Show

  • Enforce Usage of pam_wheel with Group Parameter for su Authentication

    To ensure that only users who are members of the group set in the <code>group</code> option of <code>pam_wheel.so</code> module can run commands with altered privileges through the <code>su</code> ...
    Rule Medium Severity
    Show

  • Secure Session Configuration Files for Login Accounts

    When a user logs into a Unix account, the system configures the user's session by reading a number of files. Many of these files are located in the user's home directory, and may have weak permissi...
    Group
    Show

  • Set Interactive Session Timeout

    Setting the <code>TMOUT</code> option in <code>/etc/profile</code> ensures that all user sessions will terminate based on inactivity. The value of TMOUT should be exported and read only. The <code>...
    Rule Medium Severity
    Show

  • User Initialization Files Must Be Group-Owned By The Primary Group

    Change the group owner of interactive users files to the group found in <pre>/etc/passwd</pre> for the user. To change the group owner of a local interactive user home directory, use the following ...
    Rule Medium Severity
    Show

  • User Initialization Files Must Be Owned By the Primary User

    Set the owner of the user initialization files for interactive users to the primary owner with the following command: <pre>$ sudo chown <i>USER</i> /home/<i>USER</i>/.*</pre> This rule ensures eve...
    Rule Medium Severity
    Show

  • All Interactive Users Home Directories Must Exist

    Create home directories to all local interactive users that currently do not have a home directory assigned. Use the following commands to create the user home directory assigned in <code>/etc/pass...
    Rule Medium Severity
    Show

  • Ensure users' .netrc Files are not group or world accessible

    While the system administrator can establish secure permissions for users' .netrc files, the users can easily override these. This rule ensures every .netrc file or directory under the home direct...
    Rule Medium Severity
    Show

  • All Interactive User Home Directories Must Be Owned By The Primary User

    Change the owner of interactive users home directories to that correct owner. To change the owner of a interactive users home directory, use the following command: <pre>$ sudo chown <i>USER</i> /ho...
    Rule Medium Severity
    Show

  • Ensure All User Initialization Files Have Mode 0740 Or Less Permissive

    Set the mode of the user initialization files to 0740 with the following command: 
    $ sudo chmod 0740 /home/USER/.INIT_FILE
    Rule Medium Severity
    Show

  • All Interactive User Home Directories Must Have mode 0750 Or Less Permissive

    Change the mode of interactive users home directories to <code>0750</code>. To change the mode of interactive users home directory, use the following command: <pre>$ sudo chmod 0750 /home/<i>USER</...
    Rule Medium Severity
    Show

  • Ensure that No Dangerous Directories Exist in Root's Path

    The active path of the root account can be obtained by starting a new root shell and running: <pre># echo $PATH</pre> This will produce a colon-separated list of directories in the path. <br> ...
    Group
    Show

  • Ensure that Root's Path Does Not Include World or Group-Writable Directories

    For each element in root's path, run: 
    # ls -ld DIR
    and ensure that write permissions are disabled for group and other.
    Rule Medium Severity
    Show

  • Ensure that Root's Path Does Not Include Relative Paths or Null Directories

    Ensure that none of the directories in root's path is equal to a single <code>.</code> character, or that it contains any instances that lead to relative path traversal, such as <code>..</code> or ...
    Rule Unknown Severity
    Show

  • Ensure that Users Have Sensible Umask Values

    The umask setting controls the default permissions for the creation of new files. With a default <code>umask</code> setting of 077, files and directories created by users will not be readable by an...
    Group
    Show

  • Ensure the Default Bash Umask is Set Correctly

    To ensure the default umask for users of the Bash shell is set properly, add or correct the <code>umask</code> setting in <code>/etc/bashrc</code> to read as follows: <pre>umask <xccdf-1.2:sub idre...
    Rule Medium Severity
    Show

  • Ensure the Default Umask is Set Correctly in login.defs

    To ensure the default umask controlled by <code>/etc/login.defs</code> is set properly, add or correct the <code>UMASK</code> setting in <code>/etc/login.defs</code> to read as follows: <pre>UMASK ...
    Rule Medium Severity
    Show

  • Ensure the Default Umask is Set Correctly in /etc/profile

    To ensure the default umask controlled by <code>/etc/profile</code> is set properly, add or correct the <code>umask</code> setting in <code>/etc/profile</code> to read as follows: <pre>umask <xccdf...
    Rule Medium Severity
    Show

  • GRUB2 bootloader configuration

    During the boot process, the boot loader is responsible for starting the execution of the kernel and passing options to it. The boot loader allows for the selection of different kernels - possibly ...
    Group
    Show

  • Non-UEFI GRUB2 bootloader configuration

    Non-UEFI GRUB2 bootloader configuration
    Group
    Show

  • Verify /boot/grub2/grub.cfg Group Ownership

    The file <code>/boot/grub2/grub.cfg</code> should be group-owned by the <code>root</code> group to prevent destruction or modification of the file. To properly set the group owner of <code>/boot/g...
    Rule Medium Severity
    Show

  • Verify /boot/grub2/user.cfg Group Ownership

    The file <code>/boot/grub2/user.cfg</code> should be group-owned by the <code>root</code> group to prevent reading or modification of the file. To properly set the group owner of <code>/boot/grub2...
    Rule Medium Severity
    Show

  • Verify /boot/grub2/grub.cfg User Ownership

    The file <code>/boot/grub2/grub.cfg</code> should be owned by the <code>root</code> user to prevent destruction or modification of the file. To properly set the owner of <code>/boot/grub2/grub.cfg...
    Rule Medium Severity
    Show

  • Verify /boot/grub2/user.cfg User Ownership

    The file <code>/boot/grub2/user.cfg</code> should be owned by the <code>root</code> user to prevent reading or modification of the file. To properly set the owner of <code>/boot/grub2/user.cfg</co...
    Rule Medium Severity
    Show

  • Verify /boot/grub2/grub.cfg Permissions

    File permissions for <code>/boot/grub2/grub.cfg</code> should be set to 600. To properly set the permissions of <code>/boot/grub2/grub.cfg</code>, run the command: <pre>$ sudo chmod 600 /boot/grub...
    Rule Medium Severity
    Show

  • Verify /boot/grub2/user.cfg Permissions

    File permissions for <code>/boot/grub2/user.cfg</code> should be set to 600. To properly set the permissions of <code>/boot/grub2/user.cfg</code>, run the command: <pre>$ sudo chmod 600 /boot/grub...
    Rule Medium Severity
    Show

  • Set Boot Loader Password in grub2

    The grub2 boot loader should have a superuser account and password protection enabled to protect boot-time settings. <br> <br> Since plaintext passwords are a security risk, generat...
    Rule High Severity
    Show

  • UEFI GRUB2 bootloader configuration

    UEFI GRUB2 bootloader configuration
    Group
    Show

  • Verify the UEFI Boot Loader grub.cfg Group Ownership

    The file <code>/boot/efi/EFI/redhat/grub.cfg</code> should be group-owned by the <code>root</code> group to prevent destruction or modification of the file. To properly set the group owner of <cod...
    Rule Medium Severity
    Show

  • Verify /boot/efi/EFI/redhat/user.cfg Group Ownership

    The file <code>/boot/efi/EFI/redhat/user.cfg</code> should be group-owned by the <code>root</code> group to prevent reading or modification of the file. To properly set the group owner of <code>/b...
    Rule Medium Severity
    Show

  • Verify the UEFI Boot Loader grub.cfg User Ownership

    The file <code>/boot/efi/EFI/redhat/grub.cfg</code> should be owned by the <code>root</code> user to prevent destruction or modification of the file. To properly set the owner of <code>/boot/efi/E...
    Rule Medium Severity
    Show

  • Verify /boot/efi/EFI/redhat/user.cfg User Ownership

    The file <code>/boot/efi/EFI/redhat/user.cfg</code> should be owned by the <code>root</code> user to prevent reading or modification of the file. To properly set the owner of <code>/boot/efi/EFI/r...
    Rule Medium Severity
    Show

  • Verify the UEFI Boot Loader grub.cfg Permissions

    File permissions for <code>/boot/efi/EFI/redhat/grub.cfg</code> should be set to 700. To properly set the permissions of <code>/boot/efi/EFI/redhat/grub.cfg</code>, run the command: <pre>$ sudo ch...
    Rule Medium Severity
    Show

  • Verify /boot/efi/EFI/redhat/user.cfg Permissions

    File permissions for <code>/boot/efi/EFI/redhat/user.cfg</code> should be set to 600. To properly set the permissions of <code>/boot/efi/EFI/redhat/user.cfg</code>, run the command: <pre>$ sudo ch...
    Rule Medium Severity
    Show

  • Set the UEFI Boot Loader Password

    The grub2 boot loader should have a superuser account and password protection enabled to protect boot-time settings. <br> <br> Since plaintext passwords are a security risk, generat...
    Rule High Severity
    Show

  • Configure Syslog

    The syslog service has been the default Unix logging mechanism for many years. It has a number of downsides, including inconsistent log format, lack of authentication for received messages, and lac...
    Group
    Show

  • Ensure rsyslog is Installed

    Rsyslog is installed by default. The rsyslog package can be installed with the following command: 
     $ sudo yum install rsyslog
    Rule Medium Severity
    Show

  • Enable rsyslog Service

    The <code>rsyslog</code> service provides syslog-style logging by default on Red Hat Enterprise Linux 8. The <code>rsyslog</code> service can be enabled with the following command: <pre>$ sudo sys...
    Rule Medium Severity
    Show

  • Ensure rsyslog Default File Permissions Configured

    rsyslog will create logfiles that do not already exist on the system. This settings controls what permissions will be applied to these newly created files.
    Rule Medium Severity
    Show

  • Ensure Proper Configuration of Log Files

    The file <code>/etc/rsyslog.conf</code> controls where log message are written. These are controlled by lines called <i>rules</i>, which consist of a <i>selector</i> and an <i>action</i>. These rul...
    Group
    Show

  • Ensure Log Files Are Owned By Appropriate Group

    The group-owner of all log files written by <code>rsyslog</code> should be <code>root</code>. These log files are determined by the second part of each Rule line in <code>/etc/rsyslog.conf</code> a...
    Rule Medium Severity
    Show

  • Ensure Log Files Are Owned By Appropriate User

    The owner of all log files written by <code>rsyslog</code> should be <code>root</code>. These log files are determined by the second part of each Rule line in <code>/etc/rsyslog.conf</code> and t...
    Rule Medium Severity
    Show

  • Ensure System Log Files Have Correct Permissions

    The file permissions for all log files written by <code>rsyslog</code> should be set to 640, or more restrictive. These log files are determined by the second part of each Rule line in <code>/etc/r...
    Rule Medium Severity
    Show

  • systemd-journald

    systemd-journald is a system service that collects and stores logging data. It creates and maintains structured, indexed journals based on logging information that is received from a variety of sou...
    Group
    Show

  • Enable systemd-journald Service

    The <code>systemd-journald</code> service is an essential component of systemd. The <code>systemd-journald</code> service can be enabled with the following command: <pre>$ sudo systemctl enable sy...
    Rule Medium Severity
    Show

  • Ensure journald is configured to compress large log files

    The journald system can compress large log files to avoid fill the system disk.
    Rule Medium Severity
    Show

  • Ensure journald is configured to send logs to rsyslog

    Data from journald may be stored in volatile memory or persisted locally. Utilities exist to accept remote export of journald logs.
    Rule Medium Severity
    Show

  • Ensure journald is configured to write log files to persistent disk

    The journald system may store log files in volatile memory or locally on disk. If the logs are only stored in volatile memory they will we lost upon reboot.
    Rule Medium Severity
    Show

  • Disable systemd-journal-remote Socket

    Journald supports the ability to receive messages from remote hosts, thus acting as a log server. Clients should not receive data from other hosts. NOTE: The same package, systemd-journal-remot...
    Rule Medium Severity
    Show

  • Configure rsyslogd to Accept Remote Messages If Acting as a Log Server

    By default, <code>rsyslog</code> does not listen over the network for log messages. If needed, modules can be enabled to allow the rsyslog daemon to receive messages from other systems and for the ...
    Group
    Show

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