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II - Mission Support Public

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000021-GPOS-00005

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must configure the use of the pam_faillock.so module in the /etc/pam.d/system-auth file.

    &lt;VulnDiscussion&gt;By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise...
    Rule Medium Severity
  • SRG-OS-000021-GPOS-00005

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must configure the use of the pam_faillock.so module in the /etc/pam.d/password-auth file.

    &lt;VulnDiscussion&gt;By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise...
    Rule Medium Severity
  • SRG-OS-000029-GPOS-00010

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must initiate a session lock for graphical user interfaces when the screensaver is activated.

    &lt;VulnDiscussion&gt;A session time-out lock is a temporary action taken when a user stops work and moves away from the immediate physical vicinit...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must disable the user list at logon for graphical user interfaces.

    &lt;VulnDiscussion&gt;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-000029-GPOS-00010

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must prevent a user from overriding the session idle-delay setting for the graphical user interface.

    &lt;VulnDiscussion&gt;A session time-out lock is a temporary action taken when a user stops work and moves away from the immediate physical vicinit...
    Rule Medium Severity
  • SRG-OS-000029-GPOS-00010

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must prevent a user from overriding the screensaver lock-enabled setting for the graphical user interface.

    &lt;VulnDiscussion&gt;A session time-out lock is a temporary action taken when a user stops work and moves away from the immediate physical vicinit...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must not allow blank or null passwords in the password-auth file.

    &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-000062-GPOS-00031

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 audit records must contain information to establish what type of events occurred, the source of events, where events occurred, and the outcome of events.

    &lt;VulnDiscussion&gt;Without establishing what type of events occurred, the source of events, where events occurred, and the outcome of events, it...
    Rule Medium Severity
  • SRG-OS-000343-GPOS-00134

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must notify the System Administrator (SA) and Information System Security Officer (ISSO) (at a minimum) when allocated audit record storage volume 75 percent utilization.

    &lt;VulnDiscussion&gt;If security personnel are not notified immediately when storage volume reaches 75 percent utilization, they are unable to pla...
    Rule Medium Severity
  • SRG-OS-000297-GPOS-00115

    <GroupDescription></GroupDescription>
    Group
  • A firewall must be active on RHEL 8.

    &lt;VulnDiscussion&gt;"Firewalld" provides an easy and effective way to block/limit remote access to the system via ports, services, and protocols....
    Rule Medium Severity
  • SRG-OS-000368-GPOS-00154

    <GroupDescription></GroupDescription>
    Group
  • The RHEL 8 fapolicy module must be enabled.

    &lt;VulnDiscussion&gt;The organization must identify authorized software programs and permit execution of authorized software. The process used to ...
    Rule Medium Severity
  • SRG-OS-000368-GPOS-00154

    <GroupDescription></GroupDescription>
    Group
  • The RHEL 8 fapolicy module must be configured to employ a deny-all, permit-by-exception policy to allow the execution of authorized software programs.

    &lt;VulnDiscussion&gt;The organization must identify authorized software programs and permit execution of authorized software. The process used to ...
    Rule Medium Severity
  • SRG-OS-000378-GPOS-00163

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must have the USBGuard installed.

    &lt;VulnDiscussion&gt;Without authenticating devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity. P...
    Rule Medium Severity
  • SRG-OS-000378-GPOS-00163

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must enable the USBGuard.

    &lt;VulnDiscussion&gt;Without authenticating devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity. ...
    Rule Medium Severity
  • SRG-OS-000423-GPOS-00187

    <GroupDescription></GroupDescription>
    Group
  • All RHEL 8 networked systems must have SSH installed.

    &lt;VulnDiscussion&gt;Without protection of the transmitted information, confidentiality and integrity may be compromised because unprotected commu...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must prevent IPv4 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
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must not forward IPv4 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
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must not forward IPv4 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
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must ignore IPv4 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
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must enable hardening for the Berkeley Packet Filter Just-in-time compiler.

    &lt;VulnDiscussion&gt;It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission ob...
    Rule Medium Severity
  • SRG-OS-000021-GPOS-00005

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 systems, versions 8.2 and above, must configure SELinux context type to allow the use of a non-default faillock tally directory.

    &lt;VulnDiscussion&gt;By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise...
    Rule Medium Severity
  • SRG-OS-000021-GPOS-00005

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 systems below version 8.2 must configure SELinux context type to allow the use of a non-default faillock tally directory.

    &lt;VulnDiscussion&gt;By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must not enable IPv4 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
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • The RHEL 8 operating system must not have 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-000259-GPOS-00100

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 library directories must have mode 755 or less permissive.

    &lt;VulnDiscussion&gt;If RHEL 8 were to allow any user to make changes to software libraries, then those changes might be implemented without under...
    Rule Medium Severity

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