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DRAFT - ANSSI-BP-028 (intermediary)

Rules and Groups employed by this XCCDF Profile

  • Verify Permissions on gshadow File

    To properly set the permissions of /etc/gshadow, run the command:
    $ sudo chmod 0000 /etc/gshadow
    Rule Medium Severity
  • Verify Permissions on passwd File

    To properly set the permissions of /etc/passwd, run the command:
    $ sudo chmod 0644 /etc/passwd
    Rule Medium Severity
  • Verify Permissions on shadow File

    To properly set the permissions of /etc/shadow, run the command:
    $ sudo chmod 0000 /etc/shadow
    Rule Medium Severity
  • Verify File Permissions Within Some Important Directories

    Some directories contain files whose confidentiality or integrity is notably important and may also be susceptible to misconfiguration over time, particularly if unpackaged software is installed. A...
    Group
  • Verify that System Executables Have Root Ownership

    System executables are stored in the following directories by default: <pre>/bin /sbin /usr/bin /usr/libexec /usr/local/bin /usr/local/sbin /usr/sbin</pre> All files in these directories should be ...
    Rule Medium Severity
  • Verify that System Executables Have Restrictive Permissions

    System executables are stored in the following directories by default: <pre>/bin /sbin /usr/bin /usr/libexec /usr/local/bin /usr/local/sbin /usr/sbin</pre> All files in these directories should not...
    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/fstab</code> configuration file, and can be used to m...
    Group
  • Add nosuid Option to /boot

    The <code>nosuid</code> mount option can be used to prevent execution of setuid programs in <code>/boot</code>. The SUID and SGID permissions should not be required on the boot partition. Add the <...
    Rule Medium Severity
  • 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 should not be required in these user data directories. ...
    Rule Medium Severity
  • Add nodev Option to Non-Root Local 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

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