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I - Mission Critical Public

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000480-GPOS-00227

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  • The OL 8 file integrity tool must be configured to verify Access Control Lists (ACLs).

    &lt;VulnDiscussion&gt;ACLs can provide permissions beyond those permitted through the file mode and must be verified by file integrity tools. OL...
    Rule Low Severity
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  • SRG-OS-000480-GPOS-00227

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  • The graphical display manager must not be installed on OL 8 unless approved.

    &lt;VulnDiscussion&gt;Internet services that are not required for system or application processes must not be active to decrease the attack surface...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

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  • OL 8 network interfaces must not be in promiscuous mode.

    &lt;VulnDiscussion&gt;Network interfaces in promiscuous mode allow for the capture of all network traffic visible to the system. If unauthorized in...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

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  • OL 8 remote X connections for interactive users must be disabled unless to fulfill documented and validated mission requirements.

    &lt;VulnDiscussion&gt;The security risk of using X11 forwarding is that the client's X11 display server may be exposed to attack when the SSH clien...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

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  • The OL 8 SSH daemon must prevent remote hosts from connecting to the proxy display.

    &lt;VulnDiscussion&gt;When X11 forwarding is enabled, there may be additional exposure to the server and client displays if the sshd proxy display ...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

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  • If the Trivial File Transfer Protocol (TFTP) server is required, the OL 8 TFTP daemon must be configured to operate in secure mode.

    &lt;VulnDiscussion&gt;Restricting TFTP to a specific directory prevents remote users from copying, transferring, or overwriting system files.&lt;/V...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

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  • A File Transfer Protocol (FTP) server package must not be installed unless mission essential on OL 8.

    &lt;VulnDiscussion&gt;The FTP service provides an unencrypted remote access that does not provide for the confidentiality and integrity of user pas...
    Rule High Severity
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  • SRG-OS-000480-GPOS-00227

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  • OL 8 must not have the "gssproxy" package installed if not required for operational support.

    &lt;VulnDiscussion&gt;Verify the operating system is configured to disable non-essential capabilities. The most secure way of ensuring a non-essent...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

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  • OL 8 must not have the "iprutils" package installed if not required for operational support.

    &lt;VulnDiscussion&gt;The "iprutils" package provides a suite of utilities to manage and configure IBM Power Linux RAID Adapters supported by the I...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

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  • OL 8 must not have the "tuned" package installed if not required for operational support.

    &lt;VulnDiscussion&gt;"Tuned" is a daemon that uses "udev" to monitor connected devices and statically and dynamically tunes system settings accord...
    Rule Medium Severity
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  • SRG-OS-000324-GPOS-00125

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  • OL 8 must prevent nonprivileged users from executing privileged functions, including disabling, circumventing, or altering implemented security safeguards/countermeasures.

    &lt;VulnDiscussion&gt;Preventing nonprivileged users from executing privileged functions mitigates the risk that unauthorized individuals or proces...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

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  • The OL 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
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  • SRG-OS-000259-GPOS-00100

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  • OL 8 library directories must have mode 755 or less permissive.

    &lt;VulnDiscussion&gt;If OL 8 were to allow any user to make changes to software libraries, then those changes might be implemented without undergo...
    Rule Medium Severity
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  • SRG-OS-000259-GPOS-00100

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  • OL 8 library directories must be owned by root.

    &lt;VulnDiscussion&gt;If OL 8 were to allow any user to make changes to software libraries, then those changes might be implemented without undergo...
    Rule Medium Severity
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  • SRG-OS-000259-GPOS-00100

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  • OL 8 library directories must be group-owned by root or a system account.

    &lt;VulnDiscussion&gt;If OL 8 were to allow any user to make changes to software libraries, then those changes might be implemented without undergo...
    Rule Medium Severity
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  • SRG-OS-000445-GPOS-00199

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  • The OL 8 operating system must use a file integrity tool to verify correct operation of all security functions.

    &lt;VulnDiscussion&gt;Without verification of the security functions, security functions may not operate correctly, and the failure may go unnotice...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

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  • OL 8 must specify the default "include" directory for the /etc/sudoers file.

    &lt;VulnDiscussion&gt;The "sudo" command allows authorized users to run programs (including shells) as other users, system users, and root. The "/e...
    Rule Medium Severity
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  • SRG-OS-000373-GPOS-00156

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  • The OL 8 operating system must not be configured to bypass password requirements for privilege escalation.

    &lt;VulnDiscussion&gt;Without reauthentication, users may access resources or perform tasks for which they do not have authorization. When operat...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

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  • OL 8 must ensure the password complexity module is enabled in the system-auth file.

    &lt;VulnDiscussion&gt;Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

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  • OL 8 systems below version 8.4 must ensure the password complexity module in the system-auth file is configured for three retries or less.

    &lt;VulnDiscussion&gt;Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

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  • OL 8 systems below version 8.4 must ensure the password complexity module in the password-auth file is configured for three retries or less.

    &lt;VulnDiscussion&gt;Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

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  • OL 8 systems, version 8.4 and above, must ensure the password complexity module is configured for three retries or less.

    &lt;VulnDiscussion&gt;Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

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  • OL 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
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  • SRG-OS-000480-GPOS-00227

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  • The graphical display manager must not be the default target on OL 8 unless approved.

    &lt;VulnDiscussion&gt;Internet services that are not required for system or application processes must not be active to decrease the attack surface...
    Rule Medium Severity
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  • SRG-OS-000250-GPOS-00093

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  • OL 8 SSH server must be configured to use only FIPS-validated key exchange algorithms.

    &lt;VulnDiscussion&gt;Without cryptographic integrity protections provided by FIPS-validated cryptographic algorithms, information can be viewed an...
    Rule Medium Severity
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Node 2

siemur/test-space

The content of the drawer really is up to you. It could have form fields, definition lists, text lists, labels, charts, progress bars, etc. Spacing recommendation is 24px margins. You can put tabs in here, and can also make the drawer scrollable.

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