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Virtual Machine Manager Security Requirements Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-OS-000358

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  • The VMM must record time stamps for audit records that meet a granularity of one second for a minimum degree of precision.

    &lt;VulnDiscussion&gt;Without sufficient granularity of time stamps, it is not possible to adequately determine the chronological order of records....
    Rule Medium Severity
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  • SRG-OS-000359

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  • The VMM must record time stamps for audit records that can be mapped to Coordinated Universal Time (UTC) or Greenwich Mean Time (GMT).

    &lt;VulnDiscussion&gt;If time stamps are not consistently applied and there is no common time reference, it is difficult to perform forensic analys...
    Rule Medium Severity
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  • SRG-OS-000360

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  • The VMM must enforce dual authorization for movement and/or deletion of all audit information, when such movement or deletion is not part of an authorized automatic process.

    &lt;VulnDiscussion&gt;An authorized user may intentionally or accidentally move or delete audit records without those specific actions being author...
    Rule Medium Severity
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  • SRG-OS-000362

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  • The VMM must prohibit user installation of software without explicit privileged status.

    &lt;VulnDiscussion&gt;Allowing regular users to install software or guest VMs, without explicit privileges, creates the risk that untested or poten...
    Rule Medium Severity
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  • SRG-OS-000363

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  • The VMM must notify designated personnel if baseline configurations are changed in an unauthorized manner.

    &lt;VulnDiscussion&gt;Unauthorized changes to the baseline configuration could make the VMM vulnerable to various attacks or allow unauthorized acc...
    Rule Medium Severity
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  • SRG-OS-000364

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  • The VMM must enforce access restrictions associated with changes to the system.

    &lt;VulnDiscussion&gt;Failure to provide logical access restrictions associated with changes to system configuration may have significant effects o...
    Rule Medium Severity
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  • SRG-OS-000365

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  • The VMM must audit the enforcement actions used to restrict access associated with changes to the system.

    &lt;VulnDiscussion&gt;Without auditing the enforcement of access restrictions against changes to the VMM configuration, it will be difficult to ide...
    Rule Medium Severity
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  • SRG-OS-000366

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  • The VMM must prevent the installation of guest VMs, patches, service packs, device drivers, or VMM components without verification they have been digitally signed using a certificate 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 VMM. This requirement ensures ...
    Rule Medium Severity
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  • SRG-OS-000368

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  • The VMM must prevent use of service and helper VMs not required to support proper VMM function.

    &lt;VulnDiscussion&gt;Control of program execution is a mechanism used to prevent execution of unauthorized programs. Some VMMs may provide a capab...
    Rule Medium Severity
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  • SRG-OS-000368

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  • The VMM must prevent inappropriate use of redundant guest VMs.

    &lt;VulnDiscussion&gt;Control of program execution is a mechanism used to prevent execution of unauthorized programs. Some VMMs may provide a capab...
    Rule Medium Severity
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  • SRG-OS-000370

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  • The VMM must employ a deny-all, permit-by-exception policy to allow the execution of authorized software programs and guest VMs.

    &lt;VulnDiscussion&gt;Utilizing a whitelist provides a configuration management method for allowing the execution of only authorized software and g...
    Rule Medium Severity
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  • SRG-OS-000373

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  • The VMM must require users to re-authenticate for privilege escalation.

    &lt;VulnDiscussion&gt;Without re-authentication, users may access resources or perform tasks for which they do not have authorization. When VMMs ...
    Rule Medium Severity
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  • SRG-OS-000373

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  • The VMM must require users to re-authenticate when changing roles.

    &lt;VulnDiscussion&gt;Without re-authentication, users may access resources or perform tasks for which they do not have authorization. When VMMs ...
    Rule Medium Severity
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  • SRG-OS-000373

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  • The VMM must require users to re-authenticate when changing authenticators.

    &lt;VulnDiscussion&gt;Without re-authentication, users may access resources or perform tasks for which they do not have authorization. When VMMs ...
    Rule Medium Severity
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  • SRG-OS-000374

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  • The VMM must require devices to re-authenticate when changing authenticators.

    &lt;VulnDiscussion&gt;Without re-authentication, devices may access resources or perform tasks for which they do not have authorization. When VMM...
    Rule Medium Severity
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  • SRG-OS-000375

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  • The VMM must implement multifactor authentication for remote access to privileged accounts such that one of the factors is provided by a device separate from the system gaining access.

    &lt;VulnDiscussion&gt;Using an authentication device, such as a CAC or token that is separate from the VMM, ensures that even if the VMM is comprom...
    Rule Medium Severity
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  • SRG-OS-000376

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  • The VMM must accept Personal Identity Verification (PIV) credentials.

    &lt;VulnDiscussion&gt;The use of PIV credentials facilitates standardization and reduces the risk of unauthorized access. DoD has mandated the use...
    Rule Medium Severity
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  • SRG-OS-000377

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  • The VMM must electronically verify Personal Identity Verification (PIV) credentials.

    &lt;VulnDiscussion&gt;The use of PIV credentials facilitates standardization and reduces the risk of unauthorized access. DoD has mandated the use...
    Rule Medium Severity
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  • SRG-OS-000378

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  • The VMM must authenticate peripherals before establishing a connection.

    &lt;VulnDiscussion&gt;Without authenticating devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity. ...
    Rule Medium Severity
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  • SRG-OS-000379

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  • The VMM must authenticate all endpoint devices before establishing a local, remote, and/or network connection using bidirectional authentication that is cryptographically based.

    &lt;VulnDiscussion&gt;Without authenticating devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity. B...
    Rule Medium Severity
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  • SRG-OS-000380

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  • The VMM must allow the use of a temporary password for system logons with an immediate change to a permanent password.

    &lt;VulnDiscussion&gt;Without providing this capability, an account may be created without a password. Non-repudiation cannot be guaranteed once an...
    Rule Medium Severity
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  • SRG-OS-000383

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  • The VMM must prohibit the use of cached authenticators after one day.

    &lt;VulnDiscussion&gt;If cached authentication information is out of date, the validity of the authentication information may be questionable.&lt;/...
    Rule Medium Severity
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  • SRG-OS-000384

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  • The VMM, for PKI-based authentication, must implement a local cache of revocation data to support path discovery and validation in case of the inability to access revocation information via the network.

    &lt;VulnDiscussion&gt;Without configuring a local cache of revocation data, there is the potential to allow access to users who are no longer autho...
    Rule Medium Severity
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  • SRG-OS-000396

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  • The VMM must implement NSA-approved cryptography to protect classified information in accordance with applicable federal laws, Executive Orders, directives, policies, regulations, and standards.

    &lt;VulnDiscussion&gt;Use of weak or untested encryption algorithms undermines the purposes of utilizing encryption to protect data. The VMM must i...
    Rule Medium Severity
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  • SRG-OS-000399

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  • The VMM must request data origin authentication verification on the name/address resolution responses the system receives from authoritative sources.

    &lt;VulnDiscussion&gt;If data origin authentication and data integrity verification is not performed, the resultant response could be forged, it ma...
    Rule Medium Severity
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