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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 define default permissions for all authenticated users in such a way that the user can only read and modify their own files.

    <VulnDiscussion>Setting the most restrictive default permissions ensures that when new accounts are created, they do not have unnecessary acc...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00230

    <GroupDescription></GroupDescription>
    Group
  • All TOSS local interactive user home directories must have mode 0770 or less permissive.

    &lt;VulnDiscussion&gt;Users' home directories/folders may contain information of a sensitive nature. Non-privileged users should coordinate any sha...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00230

    <GroupDescription></GroupDescription>
    Group
  • TOSS must not permit direct logons to the root account using remote access from outside of the system via SSH.

    &lt;VulnDiscussion&gt;Even though the communications channel may be encrypted, an additional layer of security is gained by extending the policy of...
    Rule Medium Severity
  • SRG-OS-000114-GPOS-00059

    <GroupDescription></GroupDescription>
    Group
  • The TOSS file system automounter must be disabled unless required.

    &lt;VulnDiscussion&gt;Automatically mounting file systems permits easy introduction of unknown devices, thereby facilitating malicious activity.&lt...
    Rule Medium Severity
  • SRG-OS-000120-GPOS-00061

    <GroupDescription></GroupDescription>
    Group
  • All TOSS local interactive user home directories must be owned by root.

    &lt;VulnDiscussion&gt;Users' home directories/folders may contain information of a sensitive nature. Non-privileged users should coordinate any sha...
    Rule Medium Severity
  • SRG-OS-000023-GPOS-00006

    <GroupDescription></GroupDescription>
    Group

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