Test ID:	1.3.6.1.4.1.25623.1.0.143262
Category:	Denial of Service
Title:	Knot Resolver < 4.3.0 DoS Vulnerability
Summary:	Knot Resolver is prone to a denial of service vulnerability through high; CPU utilization.
Description:	Summary: Knot Resolver is prone to a denial of service vulnerability through high CPU utilization. Vulnerability Insight: DNS replies with very many resource records might be processed very inefficiently, in extreme cases taking even several CPU seconds for each such uncached message. For example, a few thousand A records can be squashed into one DNS message (limit is 64kB). Affected Software/OS: Knot Resolver prior to version 4.3.0. Solution: Update to version 4.3.0. CVSS Score: 5.0 CVSS Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2019-19331 https://www.knot-resolver.cz/2019-12-04-knot-resolver-4.3.0.html https://lists.debian.org/debian-lts-announce/2024/04/msg00017.html
Copyright	Copyright (C) 2019 Greenbone Networks GmbH

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