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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>
    Group
    Show

  • RHEL 9 SSH server configuration file must be group-owned by root.

    &lt;VulnDiscussion&gt;Service configuration files enable or disable features of their respective services, which if configured incorrectly, can lea...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 9 SSH server configuration file must be owned by root.

    &lt;VulnDiscussion&gt;Service configuration files enable or disable features of their respective services, which if configured incorrectly, can lea...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 9 SSH server configuration file must have mode 0600 or less permissive.

    &lt;VulnDiscussion&gt;Service configuration files enable or disable features of their respective services that if configured incorrectly can lead t...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 9 SSH private host key files must have mode 0640 or less permissive.

    &lt;VulnDiscussion&gt;If an unauthorized user obtains the private SSH host key file, the host could be impersonated.&lt;/VulnDiscussion&gt;&lt;Fals...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 9 SSH public host key files must have mode 0644 or less permissive.

    &lt;VulnDiscussion&gt;If a public host key file is modified by an unauthorized user, the SSH service may be compromised.&lt;/VulnDiscussion&gt;&lt;...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 9 SSH daemon must not allow compression or must only allow compression after successful authentication.

    &lt;VulnDiscussion&gt;If compression is allowed in an SSH connection prior to authentication, vulnerabilities in the compression software could res...
    Rule Medium Severity
    Show

  • SRG-OS-000364-GPOS-00151

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 9 SSH daemon must not allow GSSAPI authentication.

    &lt;VulnDiscussion&gt;Generic Security Service Application Program Interface (GSSAPI) authentication is used to provide additional authentication m...
    Rule Medium Severity
    Show

  • SRG-OS-000364-GPOS-00151

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 9 SSH daemon must not allow Kerberos authentication.

    &lt;VulnDiscussion&gt;Kerberos authentication for SSH is often implemented using Generic Security Service Application Program Interface (GSSAPI). I...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 9 SSH daemon must not allow rhosts authentication.

    &lt;VulnDiscussion&gt;SSH trust relationships mean a compromise on one host can allow an attacker to move trivially to other hosts.&lt;/VulnDiscuss...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 9 SSH daemon must not allow known hosts authentication.

    &lt;VulnDiscussion&gt;Configuring the IgnoreUserKnownHosts setting for the SSH daemon provides additional assurance that remote login via SSH will ...
    Rule Medium Severity
    Show

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