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CIS SUSE Linux Enterprise 15 Benchmark for Level 2 - Server

Rules and Groups employed by this XCCDF Profile

  • Record Unsuccessful Access Attempts to Files - creat

    At a minimum, the audit system should collect unauthorized file accesses for all users and root. If the <code>auditd</code> daemon is configured to...
    Rule Medium Severity
    Show

  • Record Unsuccessful Access Attempts to Files - ftruncate

    At a minimum, the audit system should collect unauthorized file accesses for all users and root. If the <code>auditd</code> daemon is configured to...
    Rule Medium Severity
    Show

  • Record Unsuccessful Access Attempts to Files - open

    At a minimum, the audit system should collect unauthorized file accesses for all users and root. If the <code>auditd</code> daemon is configured to...
    Rule Medium Severity
    Show

  • Record Unsuccessful Access Attempts to Files - openat

    At a minimum, the audit system should collect unauthorized file accesses for all users and root. If the <code>auditd</code> daemon is configured to...
    Rule Medium Severity
    Show

  • Record Unsuccessful Access Attempts to Files - truncate

    At a minimum, the audit system should collect unauthorized file accesses for all users and root. If the <code>auditd</code> daemon is configured to...
    Rule Medium Severity
    Show

  • Record Information on Kernel Modules Loading and Unloading

    To capture kernel module loading and unloading events, use following lines, setting ARCH to either b32 for 32-bit system, or having two lines for b...
    Group
    Show

  • Ensure auditd Collects Information on Kernel Module Loading and Unloading

    To capture kernel module loading and unloading events, use following lines, setting ARCH to either b32 for 32-bit system, or having two lines for b...
    Rule Medium Severity
    Show

  • Ensure auditd Collects Information on Kernel Module Unloading - delete_module

    To capture kernel module unloading events, use following line, setting ARCH to either b32 for 32-bit system, or having two lines for both b32 and b...
    Rule Medium Severity
    Show

  • Ensure auditd Collects Information on Kernel Module Loading - init_module

    To capture kernel module loading events, use following line, setting ARCH to either b32 for 32-bit system, or having two lines for both b32 and b64...
    Rule Medium Severity
    Show

  • Record Attempts to Alter Logon and Logout Events

    The audit system already collects login information for all users and root. If the <code>auditd</code> daemon is configured to use the <code>augenr...
    Group
    Show

  • Record Attempts to Alter Logon and Logout Events - faillog

    The audit system already collects login information for all users and root. If the <code>auditd</code> daemon is configured to use the <code>augenr...
    Rule Medium Severity
    Show

  • Record Attempts to Alter Logon and Logout Events - lastlog

    The audit system already collects login information for all users and root. If the <code>auditd</code> daemon is configured to use the <code>augenr...
    Rule Medium Severity
    Show

  • Record Attempts to Alter Logon and Logout Events - tallylog

    The audit system already collects login information for all users and root. If the <code>auditd</code> daemon is configured to use the <code>augenr...
    Rule Medium Severity
    Show

  • Record Information on the Use of Privileged Commands

    At a minimum, the audit system should collect the execution of privileged commands for all users and root.
    Group
    Show

  • Ensure auditd Collects Information on the Use of Privileged Commands - insmod

    At a minimum, the audit system should collect the execution of privileged commands for all users and root. If the <code>auditd</code> daemon is con...
    Rule Medium Severity
    Show

  • Ensure auditd Collects Information on the Use of Privileged Commands - modprobe

    At a minimum, the audit system should collect the execution of privileged commands for all users and root. If the <code>auditd</code> daemon is con...
    Rule Medium Severity
    Show

  • Ensure auditd Collects Information on the Use of Privileged Commands - rmmod

    At a minimum, the audit system should collect the execution of privileged commands for all users and root. If the <code>auditd</code> daemon is con...
    Rule Medium Severity
    Show

  • Records Events that Modify Date and Time Information

    Arbitrary changes to the system time can be used to obfuscate nefarious activities in log files, as well as to confuse network services that are hi...
    Group
    Show

  • Record attempts to alter time through adjtimex

    If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program to read audit rules during daemon startup (the default),...
    Rule Medium Severity
    Show

  • Record attempts to alter time through settimeofday

    If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program to read audit rules during daemon startup (the default),...
    Rule Medium Severity
    Show

  • Record Attempts to Alter Time Through stime

    If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program to read audit rules during daemon startup (the default),...
    Rule Medium Severity
    Show

  • Record Attempts to Alter the localtime File

    If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program to read audit rules during daemon startup (the default),...
    Rule Medium Severity
    Show

  • Configure auditd Data Retention

    The audit system writes data to <code>/var/log/audit/audit.log</code>. By default, <code>auditd</code> rotates 5 logs by size (6MB), retaining a ma...
    Group
    Show

  • Configure auditd mail_acct Action on Low Disk Space

    The <code>auditd</code> service can be configured to send email to a designated account in certain situations. Add or correct the following line in...
    Rule Medium Severity
    Show

  • Configure auditd admin_space_left Action on Low Disk Space

    The <code>auditd</code> service can be configured to take an action when disk space is running low but prior to running out of space completely. Ed...
    Rule Medium Severity
    Show

  • Configure auditd Max Log File Size

    Determine the amount of audit data (in megabytes) which should be retained in each log file. Edit the file <code>/etc/audit/auditd.conf</code>. Add...
    Rule Medium Severity
    Show

  • Configure auditd max_log_file_action Upon Reaching Maximum Log Size

    The default action to take when the logs reach their maximum size is to rotate the log files, discarding the oldest one. To configure the action ta...
    Rule Medium Severity
    Show

  • Configure auditd space_left Action on Low Disk Space

    The <code>auditd</code> service can be configured to take an action when disk space <i>starts</i> to run low. Edit the file <code>/etc/audit/auditd...
    Rule Medium Severity
    Show

  • AppArmor

    Many security vulnerabilities result from bugs in trusted programs. A trusted program runs with privileges that attackers want to possess. The prog...
    Group
    Show

  • Install the pam_apparmor Package

    The pam_apparmor package can be installed with the following command: 
    $ sudo zypper install pam_apparmor
    Rule Medium Severity
    Show

  • Enforce all AppArmor Profiles

    AppArmor profiles define what resources applications are able to access. To set all profiles to enforce mode run the following command: <pre>$ sudo...
    Rule Medium Severity
    Show

  • 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...
    Rule Medium Severity
    Show

  • 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...
    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 ...
    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....
    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 pr...
    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>,...
    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 passw...
    Rule High Severity
    Show

  • UEFI GRUB2 bootloader configuration

    UEFI GRUB2 bootloader configuration
    Group
    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 passw...
    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, lac...
    Group
    Show

  • Ensure rsyslog is Installed

    Rsyslog is installed by default. The <code>rsyslog</code> package can be installed with the following command: <pre> $ sudo zypper install rsyslog<...
    Rule Medium Severity
    Show

  • Enable rsyslog Service

    The <code>rsyslog</code> service provides syslog-style logging by default on SUSE Linux Enterprise 15. The <code>rsyslog</code> service can be ena...
    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...
    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 ...
    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 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...
    Rule Medium Severity
    Show

  • Ensure logging is configured

    The <code>/etc/rsyslog.conf</code> and <code>/etc/rsyslog.d/*.conf</code> files specifies rules for logging and which files are to be used to log c...
    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 ...
    Group
    Show

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