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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 x86 Ctrl-Alt-Delete key sequence must be disabled on RHEL 8.

    &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
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
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  • The x86 Ctrl-Alt-Delete key sequence in RHEL 8 must be disabled if a graphical user interface is installed.

    &lt;VulnDiscussion&gt;A locally logged-on user, who presses Ctrl-Alt-Delete, when at the console, can reboot the system. If accidentally pressed, a...
    Rule High Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
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  • The systemd Ctrl-Alt-Delete burst key sequence in RHEL 8 must be disabled.

    &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 c...
    Rule High Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
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  • The debug-shell systemd service must be disabled on RHEL 8.

    &lt;VulnDiscussion&gt;The debug-shell requires no authentication and provides root privileges to anyone who has physical access to the machine. Wh...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • The Trivial File Transfer Protocol (TFTP) server package must not be installed if not required for RHEL 8 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
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • The root account must be the only account having unrestricted access to the RHEL 8 system.

    &lt;VulnDiscussion&gt;If an account other than root also has a User Identifier (UID) of "0", it has root authority, giving that account unrestricte...
    Rule High Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
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  • RHEL 8 must prevent IPv6 Internet Control Message Protocol (ICMP) redirect messages from being accepted.

    &lt;VulnDiscussion&gt;ICMP redirect messages are used by routers to inform hosts that a more direct route exists for a particular destination. Thes...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
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  • RHEL 8 must not send Internet Control Message Protocol (ICMP) redirects.

    &lt;VulnDiscussion&gt;ICMP redirect messages are used by routers to inform hosts that a more direct route exists for a particular destination. Thes...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • RHEL 8 must not respond to Internet Control Message Protocol (ICMP) echoes sent to a broadcast address.

    &lt;VulnDiscussion&gt;Responding to broadcast ICMP echoes facilitates network mapping and provides a vector for amplification attacks. There are n...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • RHEL 8 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
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
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  • RHEL 8 must not forward IPv6 source-routed packets by default.

    &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
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • RHEL 8 must not enable IPv6 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
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • RHEL 8 must not accept router advertisements on all IPv6 interfaces.

    &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
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
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  • RHEL 8 must not accept router advertisements on all IPv6 interfaces by default.

    &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
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
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  • RHEL 8 must not allow interfaces to perform Internet Control Message Protocol (ICMP) redirects by default.

    &lt;VulnDiscussion&gt;ICMP redirect messages are used by routers to inform hosts that a more direct route exists for a particular destination. Thes...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 8 must ignore IPv6 Internet Control Message Protocol (ICMP) redirect messages.

    &lt;VulnDiscussion&gt;ICMP redirect messages are used by routers to inform hosts that a more direct route exists for a particular destination. Thes...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • RHEL 8 must disable access to network bpf syscall from unprivileged processes.

    &lt;VulnDiscussion&gt;It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission ob...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • RHEL 8 must restrict usage of ptrace to descendant processes.

    &lt;VulnDiscussion&gt;It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission ob...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • RHEL 8 must restrict exposed kernel pointer addresses access.

    &lt;VulnDiscussion&gt;It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission ob...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • RHEL 8 must disable the use of user namespaces.

    &lt;VulnDiscussion&gt;It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission ob...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • RHEL 8 must use reverse path filtering on all IPv4 interfaces.

    &lt;VulnDiscussion&gt;It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission ob...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • RHEL 8 must be configured to prevent unrestricted mail relaying.

    &lt;VulnDiscussion&gt;If unrestricted mail relaying is permitted, unauthorized senders could use this host as a mail relay for the purpose of sendi...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • The RHEL 8 file integrity tool must be configured to verify extended attributes.

    &lt;VulnDiscussion&gt;Extended attributes in file systems are used to contain arbitrary data and file metadata with security implications. RHEL 8 ...
    Rule Low Severity
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  • SRG-OS-000480-GPOS-00227

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  • The RHEL 8 file integrity tool must be configured to verify Access Control Lists (ACLs).

    &lt;VulnDiscussion&gt;ACLs can provide permissions beyond those permitted through the file mode and must be verified by file integrity tools. RHEL...
    Rule Low Severity
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  • SRG-OS-000480-GPOS-00227

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  • The graphical display manager must not be installed on RHEL 8 unless approved.

    &lt;VulnDiscussion&gt;Internet services that are not required for system or application processes must not be active to decrease the attack surface...
    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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