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DRAFT - ANSSI-BP-028 (intermediary)

Rules and Groups employed by this XCCDF Profile

  • 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
  • Memory Poisoning

    Memory Poisoning consists of writing a special value to uninitialized or freed memory. Poisoning can be used as a mechanism to prevent leak of info...
    Group
  • Enable page allocator poisoning

    To enable poisoning of free pages, add the argument <code>page_poison=1</code> to the default GRUB 2 command line for the Linux operating system. T...
    Rule Medium Severity
  • Enable SLUB/SLAB allocator poisoning

    To enable poisoning of SLUB/SLAB objects, add the argument <code>slub_debug=<xccdf-1.2:sub idref="xccdf_org.ssgproject.content_value_var_slub_debug...
    Rule Medium Severity
  • SELinux

    SELinux is a feature of the Linux kernel which can be used to guard against misconfigured or compromised programs. SELinux enforces the idea that p...
    Group
  • Verify Group Who Owns /etc/selinux Directory

    To properly set the group owner of /etc/selinux, run the command:
    $ sudo chgrp root /etc/selinux
    Rule Medium Severity
  • Verify User Who Owns /etc/selinux Directory

    To properly set the owner of /etc/selinux, run the command:
    $ sudo chown root /etc/selinux 
    Rule Medium Severity
  • Verify Permissions On /etc/selinux Directory

    To properly set the permissions of /etc/selinux, run the command:
    $ sudo chmod 0755 /etc/selinux
    Rule Medium Severity

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