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III - Administrative Classified

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000363

    <GroupDescription></GroupDescription>
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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

    <GroupDescription></GroupDescription>
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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-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

    <GroupDescription></GroupDescription>
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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-000383

    <GroupDescription></GroupDescription>
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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

    <GroupDescription></GroupDescription>
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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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  • SRG-OS-000400

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  • The VMM must request data integrity 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 m...
    Rule Medium Severity
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  • SRG-OS-000401

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  • The VMM must perform data integrity verification on the name/address resolution responses the system receives from authoritative sources.

    &lt;VulnDiscussion&gt;If data origin authentication and data integrity verification are not performed, the resultant response could be forged, it m...
    Rule Medium Severity
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  • SRG-OS-000402

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

    &lt;VulnDiscussion&gt;If data origin authentication and data integrity verification are not performed, the resultant response could be forged, it m...
    Rule Medium Severity
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  • SRG-OS-000403

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  • The VMM must only allow the use of DoD PKI-established certificate authorities for verification of the establishment of protected sessions.

    &lt;VulnDiscussion&gt;Untrusted Certificate Authorities (CA) can issue certificates, but they may be issued by organizations or individuals that se...
    Rule Medium Severity
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  • SRG-OS-000404

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  • The VMM must implement cryptographic mechanisms to prevent unauthorized modification of all information at rest on all VMM components.

    &lt;VulnDiscussion&gt;VMMs handling data requiring "data at rest" protections must employ cryptographic mechanisms to prevent unauthorized modifica...
    Rule Medium Severity
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  • SRG-OS-000405

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  • The VMM must implement cryptographic mechanisms to prevent unauthorized disclosure of all information at rest on all VMM components.

    &lt;VulnDiscussion&gt;VMMs handling data requiring "data at rest" protections must employ cryptographic mechanisms to prevent unauthorized disclosu...
    Rule Medium Severity
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  • SRG-OS-000408

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  • The VMM must maintain a separate execution domain for each executing process.

    &lt;VulnDiscussion&gt;VMMs can maintain separate execution domains for each executing process by assigning each process a separate address space. E...
    Rule Medium Severity
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  • SRG-OS-000408

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  • The VMM must maintain a separate execution domain for each guest VM.

    &lt;VulnDiscussion&gt;VMMs can maintain separate execution domains for each executing guest VM by assigning each guest VM a separate address space....
    Rule Medium Severity
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  • SRG-OS-000420

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  • The VMM must protect against or limit the effects of Denial of Service (DoS) attacks by ensuring the VMM is implementing rate-limiting measures on impacted network interfaces.

    &lt;VulnDiscussion&gt;DoS is a condition when a resource is not available for legitimate users. When this occurs, the organization either cannot ac...
    Rule Medium Severity
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