vulnerability

Ubuntu: USN-7047-1 (CVE-2019-10191): Knot Resolver vulnerabilities

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Severity

CVSS

(AV:N/AC:L/Au:N/C:N/I:P/A:N)

Published

Jul 16, 2019

Added

Oct 2, 2024

Modified

Mar 27, 2026

Description

A vulnerability was discovered in DNS resolver of knot resolver before version 4.1.0 which allows remote attackers to downgrade DNSSEC-secure domains to DNSSEC-insecure state, opening possibility of domain hijack using attacks against insecure DNS protocol.

Solution

ubuntu-upgrade-knot-resolver

References

CVE-2019-10191
https://attackerkb.com/topics/CVE-2019-10191
CWE-20
EUVD-EUVD-2019-2214
UBUNTU-USN-7047-1
https://euvd.enisa.europa.eu/vulnerability/EUVD-2019-2214

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