Test ID:	1.3.6.1.4.1.25623.1.0.148753
Category:	Denial of Service
Title:	Knot Resolver < 5.5.3 DoS Vulnerability
Summary:	Knot Resolver is prone to a denial of service (DoS); vulnerability.
Description:	Summary: Knot Resolver is prone to a denial of service (DoS) vulnerability. Vulnerability Insight: An authoritative server returning extremely large NS sets or address sets could cause disproportionate amount of CPU work when selecting which server to ask (repeatedly). That could be utilized to strengthen a DoS attack if queries coming to the resolver could be triggered, using a relatively low amount of queries per second. Affected Software/OS: Knot Resolver prior to version 5.5.3. Solution: Update to version 5.5.3 or later. CVSS Score: 7.8 CVSS Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2022-40188 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XO6LIVQS62MI5GG4OVYB5RHVZMYNHAHG/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HIMDNIUI7GTUEKIBBYYW7OCTJQFPDNXL/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/S2VE5K3VDUHJOIA2IGT3G5R76IBADMNE/ https://lists.debian.org/debian-lts-announce/2022/10/msg00008.html
Copyright	Copyright (C) 2022 Greenbone Networks GmbH

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