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XCCDF
BIND 9.x Security Technical Implementation Guide
SRG-APP-000447-DNS-000068
A BIND 9.x caching name server must implement DNSSEC validation to check all DNS queries for invalid input.
A BIND 9.x caching name server must implement DNSSEC validation to check all DNS queries for invalid input.
An XCCDF Rule
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A BIND 9.x caching name server must implement DNSSEC validation to check all DNS queries for invalid input.
Medium Severity
<VulnDiscussion>A common vulnerability of applications is unpredictable behavior when invalid inputs are received. This requirement guards against adverse or unintended system behavior caused by invalid inputs, where information system responses to the invalid input may be disruptive or cause the system to fail into an unsafe state. Attacks may be generated by entering invalid data into DNS transactions, in the hopes that the data will not be handled correctly and will allow a vulnerable condition to be exploited. To safeguard against this, all untrusted data entered in DNS transactions (e.g., DNS queries) should be checked for validity before being processed further.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>