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Red Hat Enterprise Linux 9 Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • RHEL 9 must not have accounts configured with blank or null passwords.

    &lt;VulnDiscussion&gt;If an account has an empty password, anyone could log in and run commands with the privileges of that account. Accounts with ...
    Rule Medium Severity
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  • SRG-OS-000104-GPOS-00051

    <GroupDescription></GroupDescription>
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  • RHEL 9 must use the common access card (CAC) smart card driver.

    &lt;VulnDiscussion&gt;Smart card login provides two-factor authentication stronger than that provided by a username and password combination. Smart...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • RHEL 9 must enable certificate based smart card authentication.

    &lt;VulnDiscussion&gt;Without the use of multifactor authentication, the ease of access to privileged functions is greatly increased. Multifactor a...
    Rule Medium Severity
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  • SRG-OS-000375-GPOS-00160

    <GroupDescription></GroupDescription>
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  • RHEL 9 must implement certificate status checking for multifactor authentication.

    &lt;VulnDiscussion&gt;Using an authentication device, such as a DOD common access card (CAC) or token that is separate from the information system,...
    Rule Medium Severity
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  • SRG-OS-000375-GPOS-00160

    <GroupDescription></GroupDescription>
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  • RHEL 9 must have the pcsc-lite package installed.

    &lt;VulnDiscussion&gt;The pcsc-lite package must be installed if it is to be available for multifactor authentication using smart cards.&lt;/VulnDi...
    Rule Medium Severity
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  • SRG-OS-000375-GPOS-00160

    <GroupDescription></GroupDescription>
    Group
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  • The pcscd service on RHEL 9 must be active.

    &lt;VulnDiscussion&gt;The information system ensures that even if the information system is compromised, that compromise will not affect credential...
    Rule Medium Severity
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  • SRG-OS-000375-GPOS-00160

    <GroupDescription></GroupDescription>
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  • RHEL 9 must have the opensc package installed.

    &lt;VulnDiscussion&gt;The use of PIV credentials facilitates standardization and reduces the risk of unauthorized access. The DOD has mandated the...
    Rule Medium Severity
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  • SRG-OS-000067-GPOS-00035

    <GroupDescription></GroupDescription>
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  • RHEL 9, for PKI-based authentication, must enforce authorized access to the corresponding private key.

    &lt;VulnDiscussion&gt;If the private key is discovered, an attacker can use the key to authenticate as an authorized user and gain access to the ne...
    Rule Medium Severity
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  • SRG-OS-000080-GPOS-00048

    <GroupDescription></GroupDescription>
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  • RHEL 9 must require authentication to access emergency mode.

    &lt;VulnDiscussion&gt;To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DOD-ap...
    Rule Medium Severity
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  • SRG-OS-000080-GPOS-00048

    <GroupDescription></GroupDescription>
    Group
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  • RHEL 9 must require authentication to access single-user mode.

    &lt;VulnDiscussion&gt;To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DOD-ap...
    Rule Medium Severity
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