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DISA STIG for SUSE Linux Enterprise 12

Rules and Groups employed by this XCCDF Profile

  • Disable the Automounter

    The <code>autofs</code> daemon mounts and unmounts filesystems, such as user home directories shared via NFS, on demand. In addition, autofs can be...
    Rule Medium Severity
  • Disable Modprobe Loading of USB Storage Driver

    To prevent USB storage devices from being used, configure the kernel module loading system to prevent automatic loading of the USB storage driver. ...
    Rule Medium Severity
  • 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/fst...
    Group
  • Add nosuid Option to /home

    The <code>nosuid</code> mount option can be used to prevent execution of setuid programs in <code>/home</code>. The SUID and SGID permissions shoul...
    Rule Medium Severity
  • 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 perm...
    Rule Medium Severity
  • Verify Permissions on Important Files and Directories Are Configured in /etc/permissions.local

    Permissions for many files on a system must be set restrictively to ensure sensitive information is properly protected. This section discusses the ...
    Group
  • Verify that local /var/log/messages is not world-readable

    Files containing sensitive informations should be protected by restrictive permissions. Most of the time, there is no need that these files need to...
    Rule Medium Severity
  • Verify Permissions of Local Logs of audit Tools

    The SUSE operating system audit tools must have the proper permissions configured to protect against unauthorized access. Check that "permissions....
    Rule Medium Severity
  • Verify that Local Logs of the audit Daemon are not World-Readable

    Files containing sensitive informations should be protected by restrictive permissions. Most of the time, there is no need that these files need to...
    Rule Medium Severity
  • 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 ar...
    Group
  • Restrict Access to Kernel Message Buffer

    To set the runtime status of the <code>kernel.dmesg_restrict</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w kernel.dmesg...
    Rule Low Severity
  • Enable ExecShield

    ExecShield describes kernel features that provide protection against exploitation of memory corruption errors such as buffer overflows. These featu...
    Group
  • Restrict Exposed Kernel Pointer Addresses Access

    To set the runtime status of the <code>kernel.kptr_restrict</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w kernel.kptr_r...
    Rule Medium Severity
  • 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.r...
    Rule Medium Severity
  • Services

    The best protection against vulnerable software is running less software. This section describes how to review the software which SUSE Linux Enterp...
    Group
  • Base Services

    This section addresses the base services that are installed on a SUSE Linux Enterprise 12 default installation which are not covered in other secti...
    Group
  • Disable KDump Kernel Crash Analyzer (kdump)

    The <code>kdump</code> service provides a kernel crash dump analyzer. It uses the <code>kexec</code> system call to boot a secondary kernel ("captu...
    Rule Medium Severity
  • FTP Server

    FTP is a common method for allowing remote access to files. Like telnet, the FTP protocol is unencrypted, which means that passwords and other data...
    Group
  • Disable vsftpd if Possible

    To minimize attack surface, disable vsftpd if at all possible.
    Group
  • Uninstall vsftpd Package

    The vsftpd package can be removed with the following command:
     $ sudo zypper remove vsftpd
    Rule High Severity

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