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Red Hat Enterprise Linux 8 Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-OS-000206-GPOS-00084

    <GroupDescription></GroupDescription>
    Group
    Show

  • The RHEL 8 /var/log directory must have mode 0755 or less permissive.

    &lt;VulnDiscussion&gt;Only authorized personnel should be aware of errors and the details of the errors. Error messages are an indicator of an orga...
    Rule Medium Severity
    Show

  • SRG-OS-000206-GPOS-00084

    <GroupDescription></GroupDescription>
    Group
    Show

  • The RHEL 8 /var/log directory must be owned by root.

    &lt;VulnDiscussion&gt;Only authorized personnel should be aware of errors and the details of the errors. Error messages are an indicator of an orga...
    Rule Medium Severity
    Show

  • SRG-OS-000206-GPOS-00084

    <GroupDescription></GroupDescription>
    Group
    Show

  • The RHEL 8 /var/log directory must be group-owned by root.

    &lt;VulnDiscussion&gt;Only authorized personnel should be aware of errors and the details of the errors. Error messages are an indicator of an orga...
    Rule Medium Severity
    Show

  • SRG-OS-000250-GPOS-00093

    <GroupDescription></GroupDescription>
    Group
    Show

  • The RHEL 8 SSH server must be configured to use only Message Authentication Codes (MACs) employing FIPS 140-2 validated cryptographic hash algorithms.

    &lt;VulnDiscussion&gt;Without cryptographic integrity protections, information can be altered by unauthorized users without detection. Remote acce...
    Rule Medium Severity
    Show

  • SRG-OS-000250-GPOS-00093

    <GroupDescription></GroupDescription>
    Group
    Show

  • The RHEL 8 operating system must implement DoD-approved encryption to protect the confidentiality of SSH server connections.

    &lt;VulnDiscussion&gt;Without cryptographic integrity protections, information can be altered by unauthorized users without detection. Remote acce...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 8 must ensure the SSH server uses strong entropy.

    &lt;VulnDiscussion&gt;The most important characteristic of a random number generator is its randomness, namely its ability to deliver random number...
    Rule Low Severity
    Show

  • SRG-OS-000250-GPOS-00093

    <GroupDescription></GroupDescription>
    Group
    Show

  • The RHEL 8 operating system must implement DoD-approved encryption in the OpenSSL package.

    &lt;VulnDiscussion&gt;Without cryptographic integrity protections, information can be altered by unauthorized users without detection. Remote acce...
    Rule Medium Severity
    Show

  • SRG-OS-000250-GPOS-00093

    <GroupDescription></GroupDescription>
    Group
    Show

  • The RHEL 8 operating system must implement DoD-approved TLS encryption in the OpenSSL package.

    &lt;VulnDiscussion&gt;Without cryptographic integrity protections, information can be altered by unauthorized users without detection. Remote acce...
    Rule Medium Severity
    Show

  • SRG-OS-000250-GPOS-00093

    <GroupDescription></GroupDescription>
    Group
    Show

  • The RHEL 8 operating system must implement DoD-approved TLS encryption in the GnuTLS package.

    &lt;VulnDiscussion&gt;Without cryptographic integrity protections, information can be altered by unauthorized users without detection. Transport L...
    Rule Medium Severity
    Show

  • SRG-OS-000259-GPOS-00100

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 8 system commands 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
    Show

  • SRG-OS-000259-GPOS-00100

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 8 system commands must be owned by root.

    &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
    Show

  • SRG-OS-000259-GPOS-00100

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 8 system commands must be group-owned by root or a system account.

    &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
    Show

  • SRG-OS-000259-GPOS-00100

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 8 library files 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
    Show

  • SRG-OS-000259-GPOS-00100

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 8 library files must be owned by root.

    &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
    Show

  • SRG-OS-000259-GPOS-00100

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 8 library files must be group-owned by root or a system account.

    &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
    Show

  • SRG-OS-000363-GPOS-00150

    <GroupDescription></GroupDescription>
    Group
    Show

  • The RHEL 8 file integrity tool must notify the system administrator when changes to the baseline configuration or anomalies in the operation of any security functions are discovered within an organizationally defined frequency.

    &lt;VulnDiscussion&gt;Unauthorized changes to the baseline configuration could make the system vulnerable to various attacks or allow unauthorized ...
    Rule Medium Severity
    Show

  • SRG-OS-000366-GPOS-00153

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 8 must prevent the installation of software, patches, service packs, device drivers, or operating system components from a repository without verification they have been digitally signed using a certificate that is issued by a Certificate Authority (CA) that is recognized and approved by the organization.

    &lt;VulnDiscussion&gt;Changes to any software components can have significant effects on the overall security of the operating system. This require...
    Rule High Severity
    Show

  • SRG-OS-000366-GPOS-00153

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 8 must prevent the installation of software, patches, service packs, device drivers, or operating system components of local packages without verification they have been digitally signed using a certificate that is issued by a Certificate Authority (CA) that is recognized and approved by the organization.

    &lt;VulnDiscussion&gt;Changes to any software components can have significant effects on the overall security of the operating system. This require...
    Rule High Severity
    Show

  • SRG-OS-000366-GPOS-00153

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 8 must prevent the loading of a new kernel for later execution.

    &lt;VulnDiscussion&gt;Changes to any software components can have significant effects on the overall security of the operating system. This require...
    Rule Medium Severity
    Show

  • SRG-OS-000312-GPOS-00122

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 8 must enable kernel parameters to enforce discretionary access control on symlinks.

    &lt;VulnDiscussion&gt;Discretionary Access Control (DAC) is based on the notion that individual users are "owners" of objects and therefore have di...
    Rule Medium Severity
    Show

  • SRG-OS-000312-GPOS-00122

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 8 must enable kernel parameters to enforce discretionary access control on hardlinks.

    &lt;VulnDiscussion&gt;Discretionary Access Control (DAC) is based on the notion that individual users are "owners" of objects and therefore have di...
    Rule Medium Severity
    Show

  • SRG-OS-000138-GPOS-00069

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 8 must restrict access to the kernel message buffer.

    &lt;VulnDiscussion&gt;Preventing unauthorized information transfers mitigates the risk of information, including encrypted representations of infor...
    Rule Low Severity
    Show

  • SRG-OS-000138-GPOS-00069

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 8 must prevent kernel profiling by unprivileged users.

    &lt;VulnDiscussion&gt;Preventing unauthorized information transfers mitigates the risk of information, including encrypted representations of infor...
    Rule Low Severity
    Show

  • SRG-OS-000373-GPOS-00156

    <GroupDescription></GroupDescription>
    Group
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  • RHEL 8 must require users to provide a password for privilege escalation.

    &lt;VulnDiscussion&gt;Without reauthentication, users may access resources or perform tasks for which they do not have authorization. When operati...
    Rule Medium Severity
    Show

  • SRG-OS-000373-GPOS-00156

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 8 must require users to reauthenticate for privilege escalation.

    &lt;VulnDiscussion&gt;Without reauthentication, users may access resources or perform tasks for which they do not have authorization. When operati...
    Rule Medium Severity
    Show

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