II - Mission Support Classified
Rules and Groups employed by this XCCDF Profile
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SRG-APP-000185-DNS-000021
<GroupDescription></GroupDescription>Group -
The Infoblox system must employ strong authenticators in the establishment of non-local maintenance and diagnostic sessions.
<VulnDiscussion>If maintenance tools are used by unauthorized personnel, they may accidentally or intentionally damage or compromise the syst...Rule Medium Severity -
SRG-APP-000514-DNS-000075
<GroupDescription></GroupDescription>Group -
The Infoblox DNS server must implement NIST FIPS-validated cryptography for provisioning digital signatures, generating cryptographic hashes, and protecting unclassified information requiring confidentiality.
<VulnDiscussion>Use of weak or untested encryption algorithms undermines the purposes of using encryption to protect data. The application mu...Rule High Severity -
SRG-APP-000213-DNS-000024
<GroupDescription></GroupDescription>Group -
The Infoblox system must provide additional data origin artifacts along with the 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-000422-DNS-000055
<GroupDescription></GroupDescription>Group -
The Infoblox DNS Server must provide additional integrity artifacts along with the authoritative name resolution data the system returns in response to external 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-000214-DNS-000025
<GroupDescription></GroupDescription>Group -
The Infoblox DNS server implementation must provide the means to indicate the security status of child zones.
<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-000214-DNS-000079
<GroupDescription></GroupDescription>Group -
The validity period for the Resource Record Signatures (RRSIGs) covering the Delegation Signer (DS) RR for a zone's delegated children must be no less than two days and no more than one week.
<VulnDiscussion>The best way for a zone administrator to minimize the impact of a key compromise is by limiting the validity period of RRSIGs...Rule Medium Severity -
SRG-APP-000215-DNS-000003
<GroupDescription></GroupDescription>Group -
The Infoblox DNS server implementation must enforce approved authorizations for controlling the flow of information between DNS servers and between DNS servers and DNS clients based on DNSSEC policies.
<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-000026
<GroupDescription></GroupDescription>Group -
The Infoblox DNS server must enable verification of a chain of trust among parent and child domains (if the child supports secure resolution services).
<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-000423-DNS-000056
<GroupDescription></GroupDescription>Group -
The Infoblox DNS server must request data origin authentication verification on the name/address resolution responses the system receives from authoritative sources.
<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 Infoblox DNS server must request data integrity verification on the name/address resolution responses the system receives from authoritative sources.
<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 Infoblox DNS server must perform data integrity verification on the name/address resolution responses the system receives from authoritative sources.
<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-000426-DNS-000059
<GroupDescription></GroupDescription>Group -
The Infoblox DNS server must perform data origin verification authentication on the name/address resolution responses the system receives from authoritative sources.
<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-000219-DNS-000028
<GroupDescription></GroupDescription>Group -
Infoblox DNS servers must protect the authenticity of communications sessions for zone transfers when communicating with external DNS servers.
<VulnDiscussion>DNS is a fundamental network service that is prone to various attacks, such as cache poisoning and man-in-the middle attacks....Rule Medium Severity -
SRG-APP-000219-DNS-000029
<GroupDescription></GroupDescription>Group -
Infoblox DNS servers must protect the authenticity of communications sessions for dynamic updates.
<VulnDiscussion>DNS is a fundamental network service that is prone to various attacks, such as cache poisoning and man-in-the middle attacks....Rule Medium Severity -
SRG-APP-000219-DNS-000030
<GroupDescription></GroupDescription>Group -
Infoblox DNS servers must protect the authenticity of communications sessions for 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-000226-DNS-000032
<GroupDescription></GroupDescription>Group -
In the event of a system failure, the Infoblox system must preserve any information necessary to determine cause of failure and any information necessary to return to operations with least disruption to mission processes.
<VulnDiscussion>Failure to a known state can address safety or security in accordance with the mission/business needs of the organization. ...Rule Medium Severity -
SRG-APP-000246-DNS-000035
<GroupDescription></GroupDescription>Group -
The Infoblox system must restrict the ability of individuals to use the DNS server to launch denial-of-Service (DoS) attacks against other information systems.
<VulnDiscussion>The Infoblox system must restrict the ability of individuals to use the DNS server to launch DoS attacks against other inform...Rule Medium Severity -
SRG-APP-000247-DNS-000036
<GroupDescription></GroupDescription>Group -
The Infoblox system must manage excess capacity, bandwidth, or other redundancy to limit the effects of information-flooding types of denial-of-service (DoS) attacks.
<VulnDiscussion>A DoS is a condition when a resource is not available for legitimate users. When this occurs, the organization either cannot ...Rule Medium Severity -
SRG-APP-000439-DNS-000063
<GroupDescription></GroupDescription>Group -
The Infoblox DNS server must protect the integrity of transmitted information.
<VulnDiscussion>Without protection of the transmitted information, confidentiality and integrity may be compromised since unprotected communi...Rule Medium Severity -
SRG-APP-000440-DNS-000065
<GroupDescription></GroupDescription>Group -
The Infoblox DNS server must implement cryptographic mechanisms to detect changes to information during transmission unless otherwise protected by alternative physical safeguards, such as, at a minimum, a Protected Distribution System (PDS).
<VulnDiscussion>Encrypting information for transmission protects it from unauthorized disclosure and modification. Cryptographic mechanisms i...Rule Medium Severity -
SRG-APP-000441-DNS-000066
<GroupDescription></GroupDescription>Group -
The Infoblox DNS server implementation must maintain the integrity of information during preparation for transmission.
<VulnDiscussion>Information can be unintentionally or maliciously disclosed or modified during preparation for transmission, including, for e...Rule Medium Severity -
SRG-APP-000442-DNS-000067
<GroupDescription></GroupDescription>Group -
The Infoblox DNS server implementation must maintain the integrity of information during reception.
<VulnDiscussion>Information can be unintentionally or maliciously disclosed or modified during reception, including, for example, during aggr...Rule Medium Severity -
SRG-APP-000275-DNS-000040
<GroupDescription></GroupDescription>Group -
The Infoblox system must notify the ISSO and ISSM in the event of failed security verification tests.
<VulnDiscussion>Security function is defined as the hardware, software, and/or firmware of the information system responsible for enforcing t...Rule Medium Severity -
SRG-APP-000474-DNS-000073
<GroupDescription></GroupDescription>Group -
The Infoblox DNS server implementation must log the event and notify the system administrator when anomalies in the operation of the signed zone transfers are discovered.
<VulnDiscussion>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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