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Microsoft Windows 2012 Server Domain Name System Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-APP-000426-DNS-000059

    <GroupDescription></GroupDescription>
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  • The Windows DNS secondary server must validate data origin verification authentication on the name/address resolution responses received from primary name servers.

    &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-APP-000219-DNS-000028

    <GroupDescription></GroupDescription>
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  • The Windows 2012 DNS Server must protect the authenticity of zone transfers via transaction signing.

    &lt;VulnDiscussion&gt;Without identifying devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity. This...
    Rule Medium Severity
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  • SRG-APP-000219-DNS-000029

    <GroupDescription></GroupDescription>
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  • The Windows 2012 DNS Server must protect the authenticity of dynamic updates via transaction signing.

    &lt;VulnDiscussion&gt;DNS is a fundamental network service that is prone to various attacks, such as cache poisoning and man-in-the middle attacks....
    Rule High Severity
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  • SRG-APP-000219-DNS-000030

    <GroupDescription></GroupDescription>
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  • The Windows 2012 DNS Server must protect the authenticity of query responses via DNSSEC.

    &lt;VulnDiscussion&gt;The underlying feature in the major threat associated with DNS query/response (i.e., forged response or response failure) is ...
    Rule Medium Severity
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  • SRG-APP-000427-DNS-000060

    <GroupDescription></GroupDescription>
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  • The Windows 2012 DNS Server must protect the integrity of transmitted information.

    &lt;VulnDiscussion&gt;Without protection of the transmitted information, confidentiality and integrity may be compromised since unprotected communi...
    Rule Medium Severity
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  • SRG-APP-000441-DNS-000066

    <GroupDescription></GroupDescription>
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  • The Windows 2012 DNS Server must only allow the use of an approved DoD PKI-established certificate authorities for verification of the establishment of protected transactions.

    &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-APP-000231-DNS-000033

    <GroupDescription></GroupDescription>
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  • The Windows 2012 DNS Server must protect secret/private cryptographic keys while at rest.

    &lt;VulnDiscussion&gt;Information at rest refers to the state of information when it is located on a secondary storage device within an organizatio...
    Rule Medium Severity
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  • SRG-APP-000428-DNS-000061

    <GroupDescription></GroupDescription>
    Group
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  • The Windows 2012 DNS Server must not contain zone records that have not been validated in over a year.

    &lt;VulnDiscussion&gt;If zone information has not been validated in over a year, then there is no assurance that it is still valid. If invalid rec...
    Rule Medium Severity
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  • SRG-APP-000246-DNS-000035

    <GroupDescription></GroupDescription>
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  • The Windows 2012 DNS Server must restrict individuals from using it for launching Denial of Service (DoS) attacks against other information systems.

    &lt;VulnDiscussion&gt;Applications and application developers must take the steps needed to ensure users cannot use an authorized application to la...
    Rule Medium Severity
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  • SRG-APP-000247-DNS-000036

    <GroupDescription></GroupDescription>
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  • The Windows 2012 DNS Server must use DNS Notify to prevent denial of service through increase in workload.

    &lt;VulnDiscussion&gt;In the case of application DoS attacks, care must be taken when designing the application to ensure the application makes the...
    Rule Medium Severity
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  • SRG-APP-000439-DNS-000063

    <GroupDescription></GroupDescription>
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  • The Windows 2012 DNS Server must maintain the integrity of information during preparation for transmission.

    &lt;VulnDiscussion&gt;Information can be either unintentionally or maliciously disclosed or modified during preparation for transmission, including...
    Rule Medium Severity
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  • SRG-APP-000442-DNS-000067

    <GroupDescription></GroupDescription>
    Group
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  • The Windows 2012 DNS Server must maintain the integrity of information during reception.

    &lt;VulnDiscussion&gt;Information can be either unintentionally or maliciously disclosed or modified during preparation for transmission, including...
    Rule Medium Severity
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  • SRG-APP-000514-DNS-000075

    <GroupDescription></GroupDescription>
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  • The Windows 2012 DNS Server must implement NIST FIPS-validated cryptography for provisioning digital signatures, generating cryptographic hashes, and protecting unclassified information requiring confidentiality.

    &lt;VulnDiscussion&gt;Use of weak or untested encryption algorithms undermines the purposes of utilizing encryption to protect data. The applicatio...
    Rule Medium Severity
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  • SRG-APP-000251-DNS-000037

    <GroupDescription></GroupDescription>
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  • The Windows 2012 DNS Server must be configured to only allow zone information that reflects the environment for which it is authoritative, to include IP ranges and IP versions.

    &lt;VulnDiscussion&gt;DNS zone data for which a Windows 2012 DNS server is authoritative should represent the network for which it is responsible. ...
    Rule Medium Severity
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  • SRG-APP-000451-DNS-000069

    <GroupDescription></GroupDescription>
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  • The Windows 2012 DNS Server must follow procedures to re-role a secondary name server as the master name server should the master name server permanently lose functionality.

    &lt;VulnDiscussion&gt;Failing to an unsecure condition negatively impacts application security and can lead to system compromise. Failure condition...
    Rule Medium Severity
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  • SRG-APP-000333-DNS-000104

    <GroupDescription></GroupDescription>
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  • The DNS Name Server software must be configured to refuse queries for its version information.

    &lt;VulnDiscussion&gt;Each newer version of the name server software, especially the BIND software, generally is devoid of vulnerabilities found in...
    Rule Medium Severity
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  • SRG-APP-000333-DNS-000107

    <GroupDescription></GroupDescription>
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  • The HINFO, RP, TXT and LOC RR types must not be used in the zone SOA.

    &lt;VulnDiscussion&gt;There are several types of RRs in the DNS that are meant to convey information to humans and applications about the network, ...
    Rule Medium Severity
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  • SRG-APP-000268-DNS-000039

    <GroupDescription></GroupDescription>
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  • The Windows 2012 DNS Server must, when a component failure is detected, activate a notification to the system administrator.

    &lt;VulnDiscussion&gt;Predictable failure prevention requires organizational planning to address system failure issues. If components key to mainta...
    Rule Medium Severity
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  • SRG-APP-000473-DNS-000072

    <GroupDescription></GroupDescription>
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  • The Windows 2012 DNS Server must perform verification of the correct operation of security functions: upon system start-up and/or restart; upon command by a user with privileged access; and/or every 30 days.

    &lt;VulnDiscussion&gt;Security function is defined as the hardware, software, and/or firmware of the information system responsible for enforcing t...
    Rule Medium Severity
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  • SRG-APP-000474-DNS-000073

    <GroupDescription></GroupDescription>
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  • The Windows 2012 DNS Server must log the event and notify the system administrator when anomalies in the operation of the signed zone transfers are discovered.

    &lt;VulnDiscussion&gt;Security function is defined as the hardware, software, and/or firmware of the information system responsible for enforcing t...
    Rule Medium Severity
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  • SRG-APP-000275-DNS-000040

    <GroupDescription></GroupDescription>
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  • The Windows 2012 DNS Server must be configured to notify the ISSO/ISSM/DNS administrator when functionality of DNSSEC/TSIG has been removed or broken.

    &lt;VulnDiscussion&gt;Security function is defined as the hardware, software, and/or firmware of the information system responsible for enforcing t...
    Rule Medium Severity
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  • SRG-APP-000001-DNS-000115

    <GroupDescription></GroupDescription>
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  • The Windows 2012 DNS Server must restrict incoming dynamic update requests to known clients.

    &lt;VulnDiscussion&gt;Limiting the number of concurrent sessions reduces the risk of Denial of Service (DoS) on any system. A DNS server's functio...
    Rule Medium Severity
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  • SRG-APP-000348-DNS-000042

    <GroupDescription></GroupDescription>
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  • The Windows 2012 DNS Server must be configured to record, and make available to authorized personnel, who added/modified/deleted DNS zone information.

    &lt;VulnDiscussion&gt;Without a means for identifying the individual that produced the information, the information cannot be relied upon. Identify...
    Rule Medium Severity
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  • SRG-APP-000350-DNS-000044

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  • The Windows 2012 DNS Server must, in the event of an error validating another DNS servers identity, send notification to the DNS administrator.

    &lt;VulnDiscussion&gt;Failing to act on the validation errors may result in the use of invalid, corrupted, or compromised information. The validati...
    Rule Medium Severity
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  • SRG-APP-000089-DNS-000004

    <GroupDescription></GroupDescription>
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  • The Windows 2012 DNS Server log must be enabled.

    &lt;VulnDiscussion&gt;Without the capability to generate audit records, it would be difficult to establish, correlate, and investigate the events r...
    Rule Medium Severity
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