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CVE-2018-14644 Details

Description

An issue has been found in PowerDNS Recursor from 4.0.0 up to and including 4.1.4. A remote attacker sending a DNS query for a meta-type like OPT can lead to a zone being wrongly cached as failing DNSSEC validation. It only arises if the parent zone is signed, and all the authoritative servers for that parent zone answer with FORMERR to a query for at least one of the meta-types. As a result, subsequent queries from clients requesting DNSSEC validation will be answered with a ServFail.

Metrics

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14644 CVEIssue TrackingThird Party Advisory
https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2018-07.html CVEVendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14644 [email protected]Issue TrackingThird Party Advisory
https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2018-07.html [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-20Improper Input Validation[email protected]
CWE-20Improper Input Validation[email protected]

Affected Products

ProductVersions
powerdns recursor
>= 4.0.0, <= 4.1.4

CPE

  • cpe:2.3:a:powerdns:recursor:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2018-14644
NVD Published Date:
Nov 9, 2018
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2018-14644 Details - Not Deferred