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CIS SUSE Linux Enterprise 12 Benchmark for Level 1 - Workstation

Rules and Groups employed by this XCCDF Profile

  • Verify User Who Owns shadow File

    To properly set the owner of /etc/shadow, run the command: 
    $ sudo chown root /etc/shadow
    Rule Medium Severity
    Show

  • Verify Permissions on Backup group File

    To properly set the permissions of /etc/group-, run the command: 
    $ sudo chmod 0644 /etc/group-
    Rule Medium Severity
    Show

  • Verify Permissions on Backup gshadow File

    To properly set the permissions of /etc/gshadow-, run the command: 
    $ sudo chmod 0000 /etc/gshadow-
    Rule Medium Severity
    Show

  • Verify Permissions on Backup passwd File

    To properly set the permissions of /etc/passwd-, run the command: 
    $ sudo chmod 0644 /etc/passwd-
    Rule Medium Severity
    Show

  • Verify Permissions on Backup shadow File

    To properly set the permissions of /etc/shadow-, run the command: 
    $ sudo chmod 0640 /etc/shadow-
    Rule Medium Severity
    Show

  • Verify Permissions on group File

    To properly set the permissions of /etc/group, run the command: 
    $ sudo chmod 0644 /etc/group
    Rule Medium Severity
    Show

  • Verify Permissions on gshadow File

    To properly set the permissions of /etc/gshadow, run the command: 
    $ sudo chmod 0000 /etc/gshadow
    Rule Medium Severity
    Show

  • Verify Permissions on passwd File

    To properly set the permissions of /etc/passwd, run the command: 
    $ sudo chmod 0644 /etc/passwd
    Rule Medium Severity
    Show

  • Verify Permissions on shadow File

    To properly set the permissions of /etc/shadow, run the command: 
    $ sudo chmod 0640 /etc/shadow
    Rule Medium Severity
    Show

  • Restrict Dynamic Mounting and Unmounting of Filesystems

    Linux includes a number of facilities for the automated addition and removal of filesystems on a running system. These facilities may be necessary in many environments, but this capability also ca...
    Group
    Show

  • Disable Mounting of udf

    To configure the system to prevent the <code>udf</code> kernel module from being loaded, add the following line to the file <code>/etc/modprobe.d/udf.conf</code>: <pre>install udf /bin/false</pre>...
    Rule Low Severity
    Show

  • Restrict Partition Mount Options

    System partitions can be mounted with certain options that limit what files on those partitions can do. These options are set in the <code>/etc/fstab</code> configuration file, and can be used to m...
    Group
    Show

  • Add nodev Option to /dev/shm

    The <code>nodev</code> mount option can be used to prevent creation of device files in <code>/dev/shm</code>. Legitimate character and block devices should not exist within temporary directories li...
    Rule Medium Severity
    Show

  • Add noexec Option to /dev/shm

    The <code>noexec</code> mount option can be used to prevent binaries from being executed out of <code>/dev/shm</code>. It can be dangerous to allow the execution of binaries from world-writable tem...
    Rule Medium Severity
    Show

  • Add nosuid Option to /dev/shm

    The <code>nosuid</code> mount option can be used to prevent execution of setuid programs in <code>/dev/shm</code>. The SUID and SGID permissions should not be required in these world-writable dire...
    Rule Medium Severity
    Show

  • Add nodev Option to /home

    The <code>nodev</code> mount option can be used to prevent device files from being created in <code>/home</code>. Legitimate character and block devices should exist only in the <code>/dev</code> d...
    Rule Unknown Severity
    Show

  • Add nodev Option to Removable Media Partitions

    The <code>nodev</code> mount option prevents files from being interpreted as character or block devices. Legitimate character and block devices should exist only in the <code>/dev</code> directory ...
    Rule Medium Severity
    Show

  • Add noexec Option to Removable Media Partitions

    The <code>noexec</code> mount option prevents the direct execution of binaries on the mounted filesystem. Preventing the direct execution of binaries from removable media (such as a USB key) provid...
    Rule Medium Severity
    Show

  • Add nosuid Option to Removable Media Partitions

    The <code>nosuid</code> mount option prevents set-user-identifier (SUID) and set-group-identifier (SGID) permissions from taking effect. These permissions allow users to execute binaries with the s...
    Rule Medium Severity
    Show

  • Add nodev Option to /tmp

    The <code>nodev</code> mount option can be used to prevent device files from being created in <code>/tmp</code>. Legitimate character and block devices should not exist within temporary directories...
    Rule Medium Severity
    Show

  • Add noexec Option to /tmp

    The <code>noexec</code> mount option can be used to prevent binaries from being executed out of <code>/tmp</code>. Add the <code>noexec</code> option to the fourth column of <code>/etc/fstab</code>...
    Rule Medium Severity
    Show

  • Add nosuid Option to /tmp

    The <code>nosuid</code> mount option can be used to prevent execution of setuid programs in <code>/tmp</code>. The SUID and SGID permissions should not be required in these world-writable directori...
    Rule Medium Severity
    Show

  • Add nodev Option to /var/tmp

    The <code>nodev</code> mount option can be used to prevent device files from being created in <code>/var/tmp</code>. Legitimate character and block devices should not exist within temporary directo...
    Rule Medium Severity
    Show

  • Add noexec Option to /var/tmp

    The <code>noexec</code> mount option can be used to prevent binaries from being executed out of <code>/var/tmp</code>. Add the <code>noexec</code> option to the fourth column of <code>/etc/fstab</c...
    Rule Medium Severity
    Show

  • Add nosuid Option to /var/tmp

    The <code>nosuid</code> mount option can be used to prevent execution of setuid programs in <code>/var/tmp</code>. The SUID and SGID permissions should not be required in these world-writable direc...
    Rule Medium Severity
    Show

  • Restrict Programs from Dangerous Execution Patterns

    The recommendations in this section are designed to ensure that the system's features to protect against potentially dangerous program execution are activated. These protections are applied at the ...
    Group
    Show

  • Disable Core Dumps

    A core dump file is the memory image of an executable program when it was terminated by the operating system due to errant behavior. In most cases, only software developers legitimately need to acc...
    Group
    Show

  • Disable core dump backtraces

    The <code>ProcessSizeMax</code> option in <code>[Coredump]</code> section of <code>/etc/systemd/coredump.conf</code> specifies the maximum size in bytes of a core which will be processed. Core dump...
    Rule Medium Severity
    Show

  • Disable storing core dump

    The <code>Storage</code> option in <code>[Coredump]</code> section of <code>/etc/systemd/coredump.conf</code> or <code>/etc/systemd/coredump.conf.d/*.conf</code> can be set to <code>none</code> to ...
    Rule Medium Severity
    Show

  • Disable Core Dumps for All Users

    To disable core dumps for all users, add the following line to <code>/etc/security/limits.conf</code>, or to a file within the <code>/etc/security/limits.d/</code> directory: <pre>* hard core...
    Rule Medium Severity
    Show

  • Disable Core Dumps for SUID programs

    To set the runtime status of the <code>fs.suid_dumpable</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w fs.suid_dumpable=0</pre> To make sure that the setting is persisten...
    Rule Medium Severity
    Show

  • Enable ExecShield

    ExecShield describes kernel features that provide protection against exploitation of memory corruption errors such as buffer overflows. These features include random placement of the stack and othe...
    Group
    Show

  • Enable Randomized Layout of Virtual Address Space

    To set the runtime status of the <code>kernel.randomize_va_space</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w kernel.randomize_va_space=2</pre> To make sure that the se...
    Rule Medium Severity
    Show

  • Enable Execute Disable (XD) or No Execute (NX) Support on x86 Systems

    Recent processors in the x86 family support the ability to prevent code execution on a per memory page basis. Generically and on AMD processors, this ability is called No Execute (NX), while on Int...
    Group
    Show

  • Enable NX or XD Support in the BIOS

    Reboot the system and enter the BIOS or Setup configuration menu. Navigate the BIOS configuration menu and make sure that the option is enabled. The setting may be located under a Security section....
    Rule Medium Severity
    Show

  • Install PAE Kernel on Supported 32-bit x86 Systems

    Systems that are using the 64-bit x86 kernel package do not need to install the kernel-PAE package because the 64-bit x86 kernel already includes this support. However, if the system is 32-bit and ...
    Rule Unknown Severity
    Show

  • Services

    The best protection against vulnerable software is running less software. This section describes how to review the software which SUSE Linux Enterprise 12 installs on a system and disable software ...
    Group
    Show

  • Cron and At Daemons

    The cron and at services are used to allow commands to be executed at a later time. The cron service is required by almost all systems to perform necessary maintenance tasks, while at may or may no...
    Group
    Show

  • Install the cron service

    The Cron service should be installed.
    Rule Medium Severity
    Show

  • Enable cron Service

    The <code>crond</code> service is used to execute commands at preconfigured times. It is required by almost all systems to perform necessary maintenance tasks, such as notifying root of system acti...
    Rule Medium Severity
    Show

  • Verify Group Who Owns cron.d

    To properly set the group owner of /etc/cron.d, run the command: 
    $ sudo chgrp root /etc/cron.d
    Rule Medium Severity
    Show

  • Verify Group Who Owns cron.daily

    To properly set the group owner of /etc/cron.daily, run the command: 
    $ sudo chgrp root /etc/cron.daily
    Rule Medium Severity
    Show

  • Verify Group Who Owns cron.hourly

    To properly set the group owner of /etc/cron.hourly, run the command: 
    $ sudo chgrp root /etc/cron.hourly
    Rule Medium Severity
    Show

  • Verify Group Who Owns cron.monthly

    To properly set the group owner of /etc/cron.monthly, run the command: 
    $ sudo chgrp root /etc/cron.monthly
    Rule Medium Severity
    Show

  • Verify Group Who Owns cron.weekly

    To properly set the group owner of /etc/cron.weekly, run the command: 
    $ sudo chgrp root /etc/cron.weekly
    Rule Medium Severity
    Show

  • Verify Group Who Owns Crontab

    To properly set the group owner of /etc/crontab, run the command: 
    $ sudo chgrp root /etc/crontab
    Rule Medium Severity
    Show

  • Verify Owner on cron.d

    To properly set the owner of /etc/cron.d, run the command: 
    $ sudo chown root /etc/cron.d
    Rule Medium Severity
    Show

  • Verify Owner on cron.daily

    To properly set the owner of /etc/cron.daily, run the command: 
    $ sudo chown root /etc/cron.daily
    Rule Medium Severity
    Show

  • Verify Owner on cron.hourly

    To properly set the owner of /etc/cron.hourly, run the command: 
    $ sudo chown root /etc/cron.hourly
    Rule Medium Severity
    Show

  • Verify Owner on cron.monthly

    To properly set the owner of /etc/cron.monthly, run the command: 
    $ sudo chown root /etc/cron.monthly
    Rule Medium Severity
    Show

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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.

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