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Tri-Lab Operating System Stack (TOSS) 4 Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • TOSS must disable the user list at logon for graphical user interfaces.

    <VulnDiscussion>Leaving the user list enabled is a security risk since it allows anyone with physical access to the system to enumerate known...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • TOSS must display the date and time of the last successful account logon upon an SSH logon.

    &lt;VulnDiscussion&gt;Providing users with feedback on when account accesses via SSH last occurred facilitates user recognition and reporting of un...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • TOSS must not allow accounts configured with blank or null passwords.

    &lt;VulnDiscussion&gt;If an account has an empty password, anyone could log on and run commands with the privileges of that account. Accounts with ...
    Rule High Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • TOSS must not have unnecessary accounts.

    &lt;VulnDiscussion&gt;Accounts providing no operational purpose provide additional opportunities for system compromise. Unnecessary accounts includ...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00228

    <GroupDescription></GroupDescription>
    Group
  • TOSS audit logs must have a mode of 0600 or less permissive to prevent unauthorized read access.

    &lt;VulnDiscussion&gt;Unauthorized disclosure of audit records can reveal system and configuration data to attackers, thus compromising its confide...
    Rule Medium Severity
  • SRG-OS-000057-GPOS-00027

    <GroupDescription></GroupDescription>
    Group

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