CVE-2019-10190

State: Published
Severity: 5.4 Medium
Published: Jul 16, 2019
Updated: Feb 13, 2025
Reserved: Mar 27, 2019

Description

A vulnerability was discovered in DNS resolver component of knot resolver through version 3.2.0 before 4.1.0 which allows remote attackers to bypass DNSSEC validation for non-existence answer. NXDOMAIN answer would get passed through to the client even if its DNSSEC validation failed, instead of sending a SERVFAIL packet. Caching is not affected by this particular bug but see CVE-2019-10191.

Scores

CVSS	Score	Vector	Source
3.0	5.4 Medium	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N	redhat

Weaknesses

CWE-20

Affected Products

Product	Versions
knot-resolverCZ.NIC	from 3.2.0 before 4.1.0Affected

References

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10190
https://www.knot-resolver.cz/2019-07-10-knot-resolver-4.1.0.html
FEDORA-2019-fdb50c675dvendor-advisory
FEDORA-2019-20f95b0b39vendor-advisory
https://lists.debian.org/debian-lts-announce/2024/04/msg00017.html

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