Name: CVE-2022-40188: Inefficient Algorithmic Complexity
Creator: Rapid7
Published: 2022-09-23T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2022-40188, CWE-407, CVSS 7.5, EPSS 0.0043

Knot Resolver before 5.5.3 allows remote attackers to cause a denial of service (CPU consumption) because of algorithmic complexity. During an attack, an authoritative server must return large NS sets or address sets.

CVSS Details

CVSS 3.1 Base Score: 7.5
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Alpine Linux	—	Upgrade knot-resolver	Aug 22, 2024	Sep 23, 2022
Debian	—	Upgrade knot-resolver	Oct 11, 2022	Sep 23, 2022
Ubuntu	—	Upgrade knot-resolverUpgrade libkres6 (Ubuntu Pro)Upgrade libkres-dev (Ubuntu Pro)Upgrade knot-resolver (Ubuntu Pro)	Jul 14, 2023	Sep 23, 2022

Prioritise with Active Threat Intelligence

With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.

Explore Intelligence Hub

MDR Buyer's Guide

Global Threat Landscape Report

Grow your business

CVSS Details

Covered by Rapid7

Prioritise with Active Threat Intelligence