CVE-2018-14644 affects PowerDNS Recursor versions 4.0.0 through 4.1.4, where a remote attacker can cause a zone to be incorrectly cached as failing DNSSEC validation. This occurs when specific conditions are met, involving DNS queries for meta-types and FORMERR responses from authoritative servers of a signed parent zone. The vulnerability has a medium severity CVSS score of 5.9, indicating a high impact on availability due to potential ServFail responses for DNSSEC-validating clients, with high attack complexity and no user interaction required. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 4.0.0, <= 4.1.4CPE matchmatch criteria | cpe:2.3:a:powerdns:recursor:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
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The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.