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I - Mission Critical Classified

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • The Oracle Linux operating system must not have a File Transfer Protocol (FTP) server package installed unless needed.

    &lt;VulnDiscussion&gt;The FTP service provides an unencrypted remote access that does not provide for the confidentiality and integrity of user pas...
    Rule High Severity
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  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • The Oracle Linux operating system must not have the Trivial File Transfer Protocol (TFTP) server package installed if not required for operational support.

    &lt;VulnDiscussion&gt;If TFTP is required for operational support (such as the transmission of router configurations) its use must be documented wi...
    Rule High Severity
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  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • The Oracle Linux operating system must be configured so that remote X connections are disabled, unless to fulfill documented and validated mission requirements.

    &lt;VulnDiscussion&gt;The security risk of using X11 forwarding is that the client's X11 display server may be exposed to attack when the SSH clien...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • The Oracle Linux operating system must be configured so that if the Trivial File Transfer Protocol (TFTP) server is required, the TFTP daemon is configured to operate in secure mode.

    &lt;VulnDiscussion&gt;Restricting TFTP to a specific directory prevents remote users from copying, transferring, or overwriting system files.&lt;/V...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • The Oracle Linux operating system must not have a graphical display manager installed unless approved.

    &lt;VulnDiscussion&gt;Internet services not required for system or application processes must not be active to decrease the attack surface of the s...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • The Oracle Linux operating system must not be performing packet forwarding unless the system is a router.

    &lt;VulnDiscussion&gt;Routing protocol daemons are typically used on routers to exchange network topology information with other routers. If this s...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • The Oracle Linux operating system must be configured so that the Network File System (NFS) is configured to use RPCSEC_GSS.

    &lt;VulnDiscussion&gt;When an NFS server is configured to use RPCSEC_SYS, a selected userid and groupid are used to handle requests from the remote...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • SNMP community strings on the Oracle Linux operating system must be changed from the default.

    &lt;VulnDiscussion&gt;Whether active or not, default Simple Network Management Protocol (SNMP) community strings must be changed to maintain securi...
    Rule High Severity
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  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • The Oracle Linux operating system access control program must be configured to grant or deny system access to specific hosts and services.

    &lt;VulnDiscussion&gt;If the systems access control program is not configured with appropriate rules for allowing and denying access to system netw...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • The Oracle Linux operating system must not have unauthorized IP tunnels configured.

    &lt;VulnDiscussion&gt;IP tunneling mechanisms can be used to bypass network filtering. If tunneling is required, it must be documented with the Inf...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • The Oracle Linux operating system must not forward IPv6 source-routed packets.

    &lt;VulnDiscussion&gt;Source-routed packets allow the source of the packet to suggest that routers forward the packet along a different path than c...
    Rule Medium Severity
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  • SRG-OS-000105-GPOS-00052

    <GroupDescription></GroupDescription>
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  • The Oracle Linux operating system must have the required packages for multifactor authentication installed.

    &lt;VulnDiscussion&gt;Using an authentication device, such as a CAC or token that is separate from the information system, ensures that even if the...
    Rule Medium Severity
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  • SRG-OS-000375-GPOS-00160

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  • The Oracle Linux operating system must implement multifactor authentication for access to privileged accounts via pluggable authentication modules (PAM).

    &lt;VulnDiscussion&gt;Using an authentication device, such as a CAC or token that is separate from the information system, ensures that even if the...
    Rule Medium Severity
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  • SRG-OS-000375-GPOS-00160

    <GroupDescription></GroupDescription>
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  • The Oracle Linux operating system must implement certificate status checking for PKI authentication.

    &lt;VulnDiscussion&gt;Using an authentication device, such as a CAC or token that is separate from the information system, ensures that even if the...
    Rule Medium Severity
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  • SRG-OS-000424-GPOS-00188

    <GroupDescription></GroupDescription>
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  • The Oracle Linux operating system must be configured so that all wireless network adapters are disabled.

    &lt;VulnDiscussion&gt;The use of wireless networking can introduce many different attack vectors into the organization's network. Common attack vec...
    Rule Medium Severity
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  • SRG-OS-000057-GPOS-00027

    <GroupDescription></GroupDescription>
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  • The Oracle Linux operating system must protect audit information from unauthorized read, modification, or deletion.

    &lt;VulnDiscussion&gt;If audit information were to become compromised, then forensic analysis and discovery of the true source of potentially malic...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

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  • The Oracle Linux operating system must be configured so the x86 Ctrl-Alt-Delete key sequence is disabled in the Graphical User Interface.

    &lt;VulnDiscussion&gt;A locally logged-on user who presses Ctrl-Alt-Delete, when at the console, can reboot the system. If accidentally pressed, as...
    Rule High Severity
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  • SRG-OS-000480-GPOS-00227

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  • The Oracle Linux operating system must be configured so that all world-writable directories are owned by root, sys, bin, or an application user.

    &lt;VulnDiscussion&gt;If a world-writable directory is not owned by root, sys, bin, or an application User Identifier (UID), unauthorized users may...
    Rule Medium Severity
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  • SRG-OS-000114-GPOS-00059

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  • The Oracle Linux operating system must disable the graphical user interface automounter unless required.

    &lt;VulnDiscussion&gt;Automatically mounting file systems permits easy introduction of unknown devices, thereby facilitating malicious activity. S...
    Rule Medium Severity
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  • SRG-OS-000373-GPOS-00156

    <GroupDescription></GroupDescription>
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  • The Oracle Linux operating system must be configured so users must re-authenticate for privilege escalation.

    &lt;VulnDiscussion&gt;Without re-authentication, users may access resources or perform tasks for which they do not have authorization. When opera...
    Rule Medium Severity
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  • SRG-OS-000445-GPOS-00199

    <GroupDescription></GroupDescription>
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  • The Oracle Linux operating system must enable the SELinux targeted policy.

    &lt;VulnDiscussion&gt;Without verification of the security functions, security functions may not operate correctly and the failure may go unnoticed...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • The Oracle Linux operating system SSH daemon must prevent remote hosts from connecting to the proxy display.

    &lt;VulnDiscussion&gt;When X11 forwarding is enabled, there may be additional exposure to the server and client displays if the sshd proxy display ...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • The Oracle Linux operating system must restrict privilege elevation to authorized personnel.

    &lt;VulnDiscussion&gt;The sudo command allows a user to execute programs with elevated (administrator) privileges. It prompts the user for their pa...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

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  • The Oracle Linux operating system must use the invoking user's password for privilege escalation when using "sudo".

    &lt;VulnDiscussion&gt;The sudoers security policy requires that users authenticate themselves before they can use sudo. When sudoers requires authe...
    Rule Medium Severity
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  • SRG-OS-000373-GPOS-00156

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  • The Oracle Linux operating system must require re-authentication when using the "sudo" command.

    &lt;VulnDiscussion&gt;Without re-authentication, users may access resources or perform tasks for which they do not have authorization. When opera...
    Rule Medium Severity
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Node 2

siemur/test-space

The content of the drawer really is up to you. It could have form fields, definition lists, text lists, labels, charts, progress bars, etc. Spacing recommendation is 24px margins. You can put tabs in here, and can also make the drawer scrollable.

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