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CIS SUSE Linux Enterprise 12 Benchmark for Level 1 - Server

Rules and Groups employed by this XCCDF Profile

  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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/bash.bashrc</code> to read as follows: <pre>umask <xccdf-1.2:sub...
    Rule Medium Severity
  • 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
  • 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
  • AppArmor

    Many security vulnerabilities result from bugs in trusted programs. A trusted program runs with privileges that attackers want to possess. The program fails to keep that trust if there is a bug in ...
    Group
  • Install the pam_apparmor Package

    The pam_apparmor package can be installed with the following command:
    $ sudo zypper install pam_apparmor
    Rule Medium Severity
  • All AppArmor Profiles are in enforce or complain mode

    AppArmor profiles define what resources applications are able to access. To set all profiles to either <code>enforce</code> or <code>complain</code> mode run the following command to set all profi...
    Rule Medium Severity
  • Ensure AppArmor is Active and Configured

    Verify that the Apparmor tool is configured to control whitelisted applications and user home directory access control.<br> <br> The <code>apparmor</code> service can be enabled with the fo...
    Rule Medium Severity
  • 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
  • Non-UEFI GRUB2 bootloader configuration

    Non-UEFI GRUB2 bootloader configuration
    Group
  • 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
  • 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
  • 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
  • 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, generate a hash...
    Rule High Severity
  • UEFI GRUB2 bootloader configuration

    UEFI GRUB2 bootloader configuration
    Group

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