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HYCU for Nutanix Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-APP-000395-NDM-000347

    <GroupDescription></GroupDescription>
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  • The HYCU VM console must display the Standard Mandatory DoD Notice and Consent Banner before granting access to the device.

    &lt;VulnDiscussion&gt;Display of the DoD-approved use notification before granting access to the network device ensures privacy and security notifi...
    Rule Medium Severity
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  • SRG-APP-000069-NDM-000216

    <GroupDescription></GroupDescription>
    Group
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  • The HYCU VM console must retain the Standard Mandatory DoD Notice and Consent Banner on the screen until the administrator acknowledges the usage conditions and takes explicit actions to log on for further access.

    &lt;VulnDiscussion&gt;The banner must be acknowledged by the administrator prior to the device allowing the administrator access to the network dev...
    Rule Medium Severity
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  • SRG-APP-000516-NDM-000317

    <GroupDescription></GroupDescription>
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  • SRG-APP-000003-NDM-000202

    <GroupDescription></GroupDescription>
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  • The HYCU 4.1 application and server must initiate a session lock after a 15-minute period of inactivity.

    &lt;VulnDiscussion&gt;A session lock is a temporary network device or administrator-initiated action taken when the administrator stops work but do...
    Rule Medium Severity
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  • SRG-APP-000317-NDM-000282

    <GroupDescription></GroupDescription>
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  • The HYCU server must terminate shared/group account credentials when members leave the group.

    &lt;VulnDiscussion&gt;A shared/group account credential is a shared form of authentication that allows multiple individuals to access the network d...
    Rule Medium Severity
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  • SRG-APP-000033-NDM-000212

    <GroupDescription></GroupDescription>
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  • SRG-APP-000357-NDM-000293

    <GroupDescription></GroupDescription>
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  • The HYCU 4.1 Application must enforce the assigned privilege level for each administrator and authorizations for access to all commands relative to the privilege level in accordance with applicable policy for the device.

    &lt;VulnDiscussion&gt;To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-ap...
    Rule High Severity
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  • SRG-APP-000328-NDM-000286

    <GroupDescription></GroupDescription>
    Group
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  • If the HYCU Server or Web UI uses discretionary access control, the network device must enforce organization-defined discretionary access control policies over defined subjects and objects.

    &lt;VulnDiscussion&gt;Discretionary Access Control (DAC) is based on the notion that individual network administrators are "owners" of objects and ...
    Rule Medium Severity
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  • SRG-APP-000038-NDM-000213

    <GroupDescription></GroupDescription>
    Group
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  • The HYCU virtual machine must enforce approved authorizations for controlling the flow of management information within the network device based on information flow control policies.

    &lt;VulnDiscussion&gt;A mechanism to detect and prevent unauthorized communication flow must be configured or provided as part of the system design...
    Rule Medium Severity
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  • SRG-APP-000343-NDM-000289

    <GroupDescription></GroupDescription>
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  • The HYCU server and Web UI must audit the execution of privileged functions.

    &lt;VulnDiscussion&gt;Misuse of privileged functions, either intentionally or unintentionally by authorized users, or by unauthorized external enti...
    Rule Medium Severity
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  • SRG-APP-000065-NDM-000214

    <GroupDescription></GroupDescription>
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  • The HYCU VM console must be configured to enforce the limit of three consecutive invalid logon attempts, after which time it must block any logon attempt for 15 minutes.

    &lt;VulnDiscussion&gt;By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise...
    Rule Medium Severity
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  • SRG-APP-000068-NDM-000215

    <GroupDescription></GroupDescription>
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  • The HYCU VM/server must be configured to disable SSH.

    &lt;VulnDiscussion&gt;It is detrimental for applications to provide functionality exceeding requirements or mission objectives. These unnecessary c...
    Rule Medium Severity
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  • SRG-APP-000080-NDM-000220

    <GroupDescription></GroupDescription>
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  • The HYCU VM console and HYCU Web UI must be configured to use an authentication server for authenticating users prior to granting access to protect against an individual (or process acting on behalf of an individual) falsely denying having performed organization-defined requirements.

    &lt;VulnDiscussion&gt;Centralized management of authentication settings increases the security of remote and nonlocal access methods. This control ...
    Rule High Severity
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  • SRG-APP-000091-NDM-000223

    <GroupDescription></GroupDescription>
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  • The HYCU server must generate audit records when successful/unsuccessful attempts to access privileges occur.

    &lt;VulnDiscussion&gt;Without generating audit records that are specific to the security and mission needs of the organization, it would be difficu...
    Rule Medium Severity
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  • SRG-APP-000495-NDM-000318

    <GroupDescription></GroupDescription>
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  • The HYCU server must generate audit records when successful/unsuccessful attempts to modify or delete administrator privileges occur.

    &lt;VulnDiscussion&gt;This requirement addresses the configuration of network devices to mitigate the impact of DoS attacks that have occurred or a...
    Rule Medium Severity
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  • SRG-APP-000503-NDM-000320

    <GroupDescription></GroupDescription>
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  • The HYCU server must generate audit records when successful/unsuccessful logon attempts occur.

    &lt;VulnDiscussion&gt;Without generating audit records that are specific to the security and mission needs of the organization, it would be difficu...
    Rule Medium Severity
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  • SRG-APP-000504-NDM-000321

    <GroupDescription></GroupDescription>
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  • The HYCU server must generate audit records for privileged activities or other system-level access.

    &lt;VulnDiscussion&gt;Without generating audit records that are specific to the security and mission needs of the organization, it would be difficu...
    Rule Medium Severity
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  • SRG-APP-000096-NDM-000226

    <GroupDescription></GroupDescription>
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  • The HYCU server must produce audit records containing information to establish when events occurred, where events occurred, the source of the event, the outcome of the event, and identity of any individual or process associated with the event.

    &lt;VulnDiscussion&gt;It is essential for security personnel to know what is being done, what was attempted, where it was done, when it was done, a...
    Rule Medium Severity
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  • SRG-APP-000100-NDM-000230

    <GroupDescription></GroupDescription>
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  • The HYCU server must generate audit records containing information that establishes the identity of any individual or process associated with the event.

    &lt;VulnDiscussion&gt;Without information that establishes the identity of the subjects (i.e., administrators or processes acting on behalf of admi...
    Rule Medium Severity
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  • SRG-APP-000101-NDM-000231

    <GroupDescription></GroupDescription>
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  • The HYCU Server must generate audit records containing the full-text recording of privileged commands.

    &lt;VulnDiscussion&gt;Reconstruction of harmful events or forensic analysis is not possible if audit records do not contain enough information. O...
    Rule Medium Severity
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  • SRG-APP-000095-NDM-000225

    <GroupDescription></GroupDescription>
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  • The HYCU server must initiate session auditing upon startup and produce audit log records containing sufficient information to establish what type of event occurred.

    &lt;VulnDiscussion&gt;It is essential for security personnel to know what is being done, what was attempted, where it was done, when it was done, a...
    Rule Medium Severity
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  • The HYCU server must allocate audit record storage capacity in accordance with organization-defined audit record storage requirements.

    &lt;VulnDiscussion&gt;To ensure network devices have a sufficient storage capacity in which to write the audit logs, they must be able to allocate ...
    Rule Medium Severity
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  • SRG-APP-000515-NDM-000325

    <GroupDescription></GroupDescription>
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  • The HYCU server must be configured to conduct backups of system-level information when changes occur and to offload audit records onto a different system or media.

    &lt;VulnDiscussion&gt;Information system backup is a critical step in maintaining data assurance and availability. Information system and security-...
    Rule Medium Severity
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  • SRG-APP-000360-NDM-000295

    <GroupDescription></GroupDescription>
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  • The HYCU Web UI must generate an immediate real-time alert of all audit failure events requiring real-time alerts.

    &lt;VulnDiscussion&gt;It is critical for the appropriate personnel to be aware if a system is at risk of failing to process audit logs as required....
    Rule Medium Severity
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  • SRG-APP-000373-NDM-000298

    <GroupDescription></GroupDescription>
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  • The HYCU server must be configured to synchronize internal information system clocks using redundant authoritative time sources.

    &lt;VulnDiscussion&gt;The loss of connectivity to a particular authoritative time source will result in the loss of time synchronization (free-run ...
    Rule Medium Severity
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  • SRG-APP-000120-NDM-000237

    <GroupDescription></GroupDescription>
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  • The HYCU server must protect audit information from unauthorized deletion.

    &lt;VulnDiscussion&gt;Audit information includes all information (e.g., audit records, audit settings, and audit reports) needed to successfully au...
    Rule Medium Severity
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  • SRG-APP-000121-NDM-000238

    <GroupDescription></GroupDescription>
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