I - Mission Critical Sensitive
Rules and Groups employed by this XCCDF Profile
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SRG-APP-000158-DNS-000015
<GroupDescription></GroupDescription>Group -
The Windows 2012 DNS Server must uniquely identify the other DNS server before responding to a server-to-server transaction.
<VulnDiscussion>Without identifying devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity. This...Rule Medium Severity -
SRG-APP-000394-DNS-000049
<GroupDescription></GroupDescription>Group -
The secondary Windows DNS name servers must cryptographically authenticate zone transfers from primary name servers.
<VulnDiscussion>Without authenticating devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity. D...Rule Medium Severity -
SRG-APP-000001-DNS-000001
<GroupDescription></GroupDescription>Group -
The Windows DNS primary server must only send zone transfers to a specific list of secondary name servers.
<VulnDiscussion>Primary name servers also make outbound connection to secondary name servers to provide zone transfers and accept inbound con...Rule Medium Severity -
SRG-APP-000347-DNS-000041
<GroupDescription></GroupDescription>Group -
The Windows 2012 DNS Server must provide its identity with returned DNS information by enabling DNSSEC and TSIG/SIG(0).
<VulnDiscussion>Weakly bound credentials can be modified without invalidating the credential; therefore, non-repudiation can be violated. Th...Rule Medium Severity -
SRG-APP-000176-DNS-000017
<GroupDescription></GroupDescription>Group -
The Windows 2012 DNS Server must be configured to enforce authorized access to the corresponding private key.
<VulnDiscussion>The cornerstone of the PKI is the private key used to encrypt or digitally sign information. If the private key is stolen, th...Rule Medium Severity -
SRG-APP-000176-DNS-000018
<GroupDescription></GroupDescription>Group -
The Windows 2012 DNS Server key file must be owned by the account under which the Windows 2012 DNS Server service is run.
<VulnDiscussion>To enable zone transfer (requests and responses) through authenticated messages, it is necessary to generate a key for every ...Rule Medium Severity -
SRG-APP-000176-DNS-000019
<GroupDescription></GroupDescription>Group -
The Windows 2012 DNS Server permissions must be set so that the key file can only be read or modified by the account that runs the name server software.
<VulnDiscussion>To enable zone transfer (requests and responses) through authenticated messages, it is necessary to generate a key for every ...Rule Medium Severity -
SRG-APP-000176-DNS-000094
<GroupDescription></GroupDescription>Group -
The private key corresponding to the ZSK must only be stored on the name server that does support dynamic updates.
<VulnDiscussion>The private keys in the KSK and ZSK key pairs must be protected from unauthorized access. If possible, the private keys shoul...Rule Medium Severity -
SRG-APP-000401-DNS-000051
<GroupDescription></GroupDescription>Group -
The Windows 2012 DNS Server must implement a local cache of revocation data for PKIauthentication in the event revocation information via the network is not accessible.
<VulnDiscussion>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 -
SRG-APP-000516-DNS-000077
<GroupDescription></GroupDescription>Group -
The salt value for zones signed using NSEC3 RRs must be changed every time the zone is completely re-signed.
<VulnDiscussion>NSEC records list the resource record types for the name, as well as the name of the next resource record. With this informat...Rule Medium Severity -
SRG-APP-000213-DNS-000024
<GroupDescription></GroupDescription>Group -
The Windows 2012 DNS Server must include data origin with authoritative data the system returns in response to external name/address resolution queries.
<VulnDiscussion>The underlying feature in the major threat associated with DNS query/response (i.e., forged response or response failure) is ...Rule Medium Severity -
SRG-APP-000420-DNS-000053
<GroupDescription></GroupDescription>Group -
The Windows 2012 DNS Servers IP address must be statically defined and configured locally on the server.
<VulnDiscussion>The major threat associated with DNS forged responses or failures are the integrity of the DNS data returned in the response....Rule Medium Severity -
SRG-APP-000420-DNS-000053
<GroupDescription></GroupDescription>Group -
The Windows 2012 DNS Server must return data information in responses to internal name/address resolution queries.
<VulnDiscussion>The major threat associated with DNS forged responses or failures is the integrity of the DNS data returned in the response. ...Rule Medium Severity -
SRG-APP-000421-DNS-000054
<GroupDescription></GroupDescription>Group -
The Windows 2012 DNS Server must use DNSSEC data within queries to confirm data origin to DNS resolvers.
<VulnDiscussion>The major threat associated with DNS forged responses or failures are the integrity of the DNS data returned in the response....Rule Medium Severity -
SRG-APP-000422-DNS-000055
<GroupDescription></GroupDescription>Group -
WINS lookups must be disabled on the Windows 2012 DNS Server.
<VulnDiscussion>The major threat associated with DNS forged responses or failures is the integrity of the DNS data returned in the response. ...Rule Medium Severity -
SRG-APP-000422-DNS-000055
<GroupDescription></GroupDescription>Group -
The Windows 2012 DNS Server must use DNSSEC data within queries to confirm data integrity to DNS resolvers.
<VulnDiscussion>The major threat associated with DNS forged responses or failures is the integrity of the DNS data returned in the response. ...Rule Medium Severity -
SRG-APP-000214-DNS-000025
<GroupDescription></GroupDescription>Group -
The Windows 2012 DNS Server must be configured with the DS RR carrying the signature for the RR that contains the public key of the child zone.
<VulnDiscussion>If name server replies are invalid or cannot be validated, many networking functions and communication would be adversely aff...Rule Medium Severity -
SRG-APP-000215-DNS-000003
<GroupDescription></GroupDescription>Group -
The Windows 2012 DNS Server must enforce approved authorizations between DNS servers through the use of digital signatures in the RRSet.
<VulnDiscussion>A mechanism to detect and prevent unauthorized communication flow must be configured or provided as part of the system design...Rule Medium Severity -
SRG-APP-000215-DNS-000003
<GroupDescription></GroupDescription>Group -
The Name Resolution Policy Table (NRPT) must be configured in Group Policy to enforce clients to request DNSSEC validation for a domain.
<VulnDiscussion>The Name Resolution Policy Table (NRPT) is used to require DNSSEC validation. The NRPT can be configured in local Group Polic...Rule Medium Severity -
SRG-APP-000215-DNS-000026
<GroupDescription></GroupDescription>Group -
The Windows 2012 DNS Server must be configured to validate an authentication chain of parent and child domains via response data.
<VulnDiscussion>If name server replies are invalid or cannot be validated, many networking functions and communication would be adversely aff...Rule Medium Severity -
SRG-APP-000215-DNS-000026
<GroupDescription></GroupDescription>Group -
Trust anchors must be exported from authoritative Windows 2012 DNS Servers and distributed to validating Windows 2012 DNS Servers.
<VulnDiscussion>If name server replies are invalid or cannot be validated, many networking functions and communication would be adversely aff...Rule Medium Severity -
SRG-APP-000215-DNS-000026
<GroupDescription></GroupDescription>Group -
Automatic Update of Trust Anchors must be enabled on key rollover.
<VulnDiscussion>A trust anchor is a preconfigured public key associated with a specific zone. A validating DNS server must be configured with...Rule Medium Severity -
SRG-APP-000423-DNS-000056
<GroupDescription></GroupDescription>Group -
The Windows DNS secondary servers must request data origin authentication verification from the primary server when requesting name/address resolution.
<VulnDiscussion>If data origin authentication and data integrity verification are not performed, the resultant response could be forged, it m...Rule Medium Severity -
SRG-APP-000424-DNS-000057
<GroupDescription></GroupDescription>Group -
The Windows DNS secondary server must request data integrity verification from the primary server when requesting name/address resolution.
<VulnDiscussion>If data origin authentication and data integrity verification are not performed, the resultant response could be forged, it m...Rule Medium Severity -
SRG-APP-000425-DNS-000058
<GroupDescription></GroupDescription>Group -
The Windows DNS secondary server must validate data integrity verification on the name/address resolution responses received from primary name servers.
<VulnDiscussion>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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