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FreeBSD: VID-E9AA0E4C-EA8B-11E8-A5B7-00E04C1EA73D (CVE-2018-14644): powerdns-recursor -- Multiple vulnerabilities

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FreeBSD: VID-E9AA0E4C-EA8B-11E8-A5B7-00E04C1EA73D (CVE-2018-14644): powerdns-recursor -- Multiple vulnerabilities

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:P)
Published
11/06/2018
Created
03/19/2019
Added
11/18/2018
Modified
05/07/2019

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.

Solution(s)

  • freebsd-upgrade-package-powerdns-recursor
  • freebsd-upgrade-package-powerdns-recursor40

References

  • CVE-2018-14644

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