Tri-Lab Operating System Stack (TOSS) 4 Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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The TOSS SSH daemon must not allow authentication using known host's authentication.
<VulnDiscussion>Configuring this setting for the SSH daemon provides additional assurance that remote logon via SSH will require a password, ...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
All TOSS local files and directories must have a valid owner.
<VulnDiscussion>Unowned files and directories may be unintentionally inherited if a user is assigned the same User Identifier "UID" as the UI...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
TOSS must require users to provide a password for privilege escalation.
<VulnDiscussion>Without re-authentication, users may access resources or perform tasks for which they do not have authorization. When operat...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
All TOSS local interactive user accounts must be assigned a home directory upon creation.
<VulnDiscussion>If local interactive users are not assigned a valid home directory, there is no place for the storage and control of files th...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
Cron logging must be implemented in TOSS.
<VulnDiscussion>Cron logging can be used to trace the successful or unsuccessful execution of cron jobs. It can also be used to spot intrusio...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
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.
<VulnDiscussion>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.
<VulnDiscussion>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.
<VulnDiscussion>Automatically mounting file systems permits easy introduction of unknown devices, thereby facilitating malicious activity.<...Rule Medium Severity -
SRG-OS-000120-GPOS-00061
<GroupDescription></GroupDescription>Group -
All TOSS local interactive user home directories must be owned by root.
<VulnDiscussion>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
Node 2
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