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I - Mission Critical Classified

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000063-GPOS-00032

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must allow only the Information System Security Manager (ISSM) (or individuals or roles appointed by the ISSM) to select which auditable events are to be audited.

    &lt;VulnDiscussion&gt;Without the capability to restrict the roles and individuals that can select which events are audited, unauthorized personnel...
    Rule Medium Severity
  • SRG-OS-000256-GPOS-00097

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 audit tools must have a mode of 0755 or less permissive.

    &lt;VulnDiscussion&gt;Protecting audit information also includes identifying and protecting the tools used to view and manipulate log data. Therefo...
    Rule Medium Severity
  • SRG-OS-000256-GPOS-00097

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 audit tools must be owned by root.

    &lt;VulnDiscussion&gt;Protecting audit information also includes identifying and protecting the tools used to view and manipulate log data. Therefo...
    Rule Medium Severity
  • SRG-OS-000256-GPOS-00097

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 audit tools must be group-owned by root.

    &lt;VulnDiscussion&gt;Protecting audit information also includes identifying and protecting the tools used to view and manipulate log data. Therefo...
    Rule Medium Severity
  • SRG-OS-000278-GPOS-00108

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must use cryptographic mechanisms to protect the integrity of audit tools.

    &lt;VulnDiscussion&gt;Protecting the integrity of the tools used for auditing purposes is a critical step toward ensuring the integrity of audit in...
    Rule Medium Severity
  • SRG-OS-000341-GPOS-00132

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must allocate audit record storage capacity to store at least one week of audit records, when audit records are not immediately sent to a central audit record storage facility.

    &lt;VulnDiscussion&gt;To ensure RHEL 8 systems have a sufficient storage capacity in which to write the audit logs, RHEL 8 needs to be able to allo...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must have the packages required for offloading audit logs installed.

    &lt;VulnDiscussion&gt;Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Off-loading is a common...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must have the packages required for encrypting offloaded audit logs installed.

    &lt;VulnDiscussion&gt;Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Off-loading is a common...
    Rule Medium Severity
  • SRG-OS-000342-GPOS-00133

    <GroupDescription></GroupDescription>
    Group
  • The RHEL 8 audit records must be off-loaded onto a different system or storage media from the system being audited.

    &lt;VulnDiscussion&gt;Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Off-loading is a common...
    Rule Medium Severity
  • SRG-OS-000342-GPOS-00133

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must take appropriate action when the internal event queue is full.

    &lt;VulnDiscussion&gt;Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Off-loading is a common...
    Rule Medium Severity
  • SRG-OS-000342-GPOS-00133

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must encrypt the transfer of audit records off-loaded onto a different system or media from the system being audited.

    &lt;VulnDiscussion&gt;Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Off-loading is a common...
    Rule Medium Severity
  • SRG-OS-000342-GPOS-00133

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must authenticate the remote logging server for off-loading audit logs.

    &lt;VulnDiscussion&gt;Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Off-loading is a common...
    Rule Medium Severity
  • SRG-OS-000343-GPOS-00134

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must take action when allocated audit record storage volume reaches 75 percent of the repository maximum audit record storage capacity.

    &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-000355-GPOS-00143

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must securely compare internal information system clocks at least every 24 hours with a server synchronized to an authoritative time source, such as the United States Naval Observatory (USNO) time servers, or a time server designated for the appropriate DoD network (NIPRNet/SIPRNet), and/or the Global Positioning System (GPS).

    &lt;VulnDiscussion&gt;Inaccurate time stamps make it more difficult to correlate events and can lead to an inaccurate analysis. Determining the cor...
    Rule Medium Severity
  • SRG-OS-000095-GPOS-00049

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must disable the chrony daemon from acting as a server.

    &lt;VulnDiscussion&gt;Inaccurate time stamps make it more difficult to correlate events and can lead to an inaccurate analysis. Determining the cor...
    Rule Low Severity
  • SRG-OS-000095-GPOS-00049

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must disable network management of the chrony daemon.

    &lt;VulnDiscussion&gt;Inaccurate time stamps make it more difficult to correlate events and can lead to an inaccurate analysis. Determining the cor...
    Rule Low Severity
  • SRG-OS-000095-GPOS-00049

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must not have the telnet-server package installed.

    &lt;VulnDiscussion&gt;It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission ob...
    Rule High Severity
  • SRG-OS-000095-GPOS-00049

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must not have any automated bug reporting tools installed.

    &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-000095-GPOS-00049

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must not have the sendmail package installed.

    &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-000095-GPOS-00049

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must enable mitigations against processor-based vulnerabilities.

    &lt;VulnDiscussion&gt;It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission ob...
    Rule Low Severity
  • SRG-OS-000095-GPOS-00049

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must not have the rsh-server package installed.

    &lt;VulnDiscussion&gt;It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission ob...
    Rule High Severity
  • SRG-OS-000095-GPOS-00049

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must cover or disable the built-in or attached camera when not in use.

    &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-000095-GPOS-00049

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must disable the asynchronous transfer mode (ATM) protocol.

    &lt;VulnDiscussion&gt;It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission ob...
    Rule Low Severity
  • SRG-OS-000095-GPOS-00049

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must disable the controller area network (CAN) protocol.

    &lt;VulnDiscussion&gt;It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission ob...
    Rule Low Severity
  • SRG-OS-000095-GPOS-00049

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must disable the stream control transmission protocol (SCTP).

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

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