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HYCU for Nutanix Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • The HYCU server must protect audit tools from unauthorized access, modification, and deletion.

    <VulnDiscussion>Protecting audit data also includes identifying and protecting the tools used to view and manipulate log data. Therefore, pro...
    Rule Medium Severity
    Show

  • SRG-APP-000516-NDM-000351

    <GroupDescription></GroupDescription>
    Group
    Show

  • The HYCU appliance must be running a release that is currently supported by the vendor.

    &lt;VulnDiscussion&gt;Network devices running an unsupported operating system lack current security fixes required to mitigate the risks associated...
    Rule High Severity
    Show

  • SRG-APP-000516-NDM-000351

    <GroupDescription></GroupDescription>
    Group
    Show

  • The HYCU server must back up audit records at least every seven days onto a different system or system component than the system or component being audited.

    &lt;VulnDiscussion&gt;Protection of log data includes assuring log data is not accidentally lost or deleted. Regularly backing up audit records to ...
    Rule Medium Severity
    Show

  • SRG-APP-000516-NDM-000344

    <GroupDescription></GroupDescription>
    Group
    Show

  • The HYCU server must obtain its public key certificates from an appropriate certificate policy through an approved service provider.

    &lt;VulnDiscussion&gt;For user certificates, each organization obtains certificates from an approved, shared service provider, as required by OMB p...
    Rule Medium Severity
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  • SRG-APP-000142-NDM-000245

    <GroupDescription></GroupDescription>
    Group
    Show

  • The network device must be configured to prohibit the use of all unnecessary and/or nonsecure functions, ports, protocols, and/or services.

    &lt;VulnDiscussion&gt;In order to prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e....
    Rule High Severity
    Show

  • SRG-APP-000156-NDM-000250

    <GroupDescription></GroupDescription>
    Group
    Show

  • The network device must implement replay-resistant authentication mechanisms for network access to privileged accounts.

    &lt;VulnDiscussion&gt;A replay attack may enable an unauthorized user to gain access to the application. Authentication sessions between the authen...
    Rule Medium Severity
    Show

  • The HYCU server must authenticate Network Time Protocol sources using authentication that is cryptographically based.

    &lt;VulnDiscussion&gt;If Network Time Protocol is not authenticated, an attacker can introduce a rogue NTP server. This rogue server can then be us...
    Rule Medium Severity
    Show

  • SRG-APP-000166-NDM-000254

    <GroupDescription></GroupDescription>
    Group
    Show

  • The HYCU server must enforce password complexity by requiring that at least one uppercase character be used.

    &lt;VulnDiscussion&gt;Use of a complex passwords helps to increase the time and resources required to compromise the password. Password complexity,...
    Rule Medium Severity
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  • SRG-APP-000164-NDM-000252

    <GroupDescription></GroupDescription>
    Group
    Show

  • The network device must enforce a minimum 15-character password length.

    &lt;VulnDiscussion&gt;Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute...
    Rule Medium Severity
    Show

  • SRG-APP-000170-NDM-000329

    <GroupDescription></GroupDescription>
    Group
    Show

  • The HYCU server must require that when a password is changed, the characters are changed in at least eight of the positions within the password.

    &lt;VulnDiscussion&gt;If the application allows the user to consecutively reuse extensive portions of passwords, this increases the chances of pass...
    Rule Medium Severity
    Show

  • SRG-APP-000080-NDM-000345

    <GroupDescription></GroupDescription>
    Group
    Show

  • The HYCU VM console must not have any default manufacturer passwords when deployed.

    &lt;VulnDiscussion&gt;Virtual Machines not protected with strong password schemes provide the opportunity for anyone to crack the password and gain...
    Rule Medium Severity
    Show

  • SRG-APP-000400-NDM-000313

    <GroupDescription></GroupDescription>
    Group
    Show

  • The HYCU server must prohibit the use of cached authenticators after an organization-defined time period.

    &lt;VulnDiscussion&gt;Some authentication implementations can be configured to use cached authenticators. If cached authentication information is ...
    Rule Medium Severity
    Show

  • SRG-APP-000179-NDM-000265

    <GroupDescription></GroupDescription>
    Group
    Show

  • The HYCU server must use FIPS-validated algorithms for authentication to a cryptographic module and Keyed-Hash Message Authentication Code (HMAC) to protect the integrity and confidentiality of remote maintenance sessions.

    &lt;VulnDiscussion&gt;Unapproved algorithms used by the cryptographic module are not validated and therefore cannot be relied on to provide confide...
    Rule High Severity
    Show

  • SRG-APP-000190-NDM-000267

    <GroupDescription></GroupDescription>
    Group
    Show

  • The HYCU server and Web UI must terminate all network connections associated with a device management session at the end of the session, or the session must be terminated after 15 minutes of inactivity except to fulfill documented and validated mission requirements.

    &lt;VulnDiscussion&gt;Terminating an idle session within a short time period reduces the window of opportunity for unauthorized personnel to take c...
    Rule High Severity
    Show

  • SRG-APP-000224-NDM-000270

    <GroupDescription></GroupDescription>
    Group
    Show

  • The network device must generate unique session identifiers using a FIPS 140-2 approved random number generator.

    &lt;VulnDiscussion&gt;Sequentially generated session IDs can be easily guessed by an attacker. Employing the concept of randomness in the generatio...
    Rule Medium Severity
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  • SRG-APP-000516-NDM-000350

    <GroupDescription></GroupDescription>
    Group
    Show

  • The HYCU Web UI must be configured to send log data to a central log server for forwarding alerts to the administrators and the ISSO.

    &lt;VulnDiscussion&gt;The aggregation of log data kept on a syslog server can be used to detect attacks and trigger an alert to the appropriate sec...
    Rule High Severity
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