Vulnerabilities > CVE-2022-40188 - Algorithmic Complexity vulnerability in multiple products

CVSS 7.5 - HIGH

Attack vector

NETWORK

Attack complexity

LOW

Privileges required

NONE

Confidentiality impact

NONE

Integrity impact

NONE

Availability impact

HIGH

network

low complexity

NVD

Published: 2022-09-23

Updated: 2024-11-21

Summary

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.

Vulnerable Configurations

Part	Description	Count
Application	Nic NIC Knot Resolver - NIC Knot Resolver 1.0.0 NIC Knot Resolver 1.1.0 NIC Knot Resolver 1.1.1 NIC Knot Resolver 1.2.0 NIC Knot Resolver 1.2.1 NIC Knot Resolver 1.2.2 NIC Knot Resolver 1.2.3 NIC Knot Resolver 1.2.4 NIC Knot Resolver 1.2.5 NIC Knot Resolver 1.2.6 NIC Knot Resolver 1.3.0 NIC Knot Resolver 1.3.1 NIC Knot Resolver 1.3.2 NIC Knot Resolver 1.3.3 NIC Knot Resolver 1.4.0 NIC Knot Resolver 1.5.0 NIC Knot Resolver 1.5.1 NIC Knot Resolver 1.5.2 NIC Knot Resolver 1.5.3 NIC Knot Resolver 1.99.1 NIC Knot Resolver 2.0.0 NIC Knot Resolver 2.1.0 NIC Knot Resolver 2.1.1 NIC Knot Resolver 2.2.0 NIC Knot Resolver 2.3.0 NIC Knot Resolver 2.4.0 NIC Knot Resolver 2.4.1 NIC Knot Resolver 3.0.0 NIC Knot Resolver 3.1.0 NIC Knot Resolver 3.2.0 NIC Knot Resolver 3.2.1 NIC Knot Resolver 4.0.0 NIC Knot Resolver 4.1.0 NIC Knot Resolver 4.2.0 NIC Knot Resolver 4.2.1 NIC Knot Resolver 4.2.2 NIC Knot Resolver 4.3.0 NIC Knot Resolver 5.0.0 NIC Knot Resolver 5.0.1 NIC Knot Resolver 5.1.1 NIC Knot Resolver 5.5.1	49
OS	Fedoraproject Fedoraproject Fedora 35 Fedoraproject Fedora 36 Fedoraproject Fedora 37	3
OS	Debian Debian Debian Linux 10.0	1

Common Weakness Enumeration (CWE)

CWE-407 - Algorithmic Complexity

Summary

Vulnerable Configurations

Common Weakness Enumeration (CWE)

References