CVE Vulnerability

CVE-2022-40188

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.

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://gitlab.nic.cz/knot/knot-resolver/-/merge_requests/1343#note_262558 Release Notes Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/S2VE5K3VDUHJOIA2IGT3G5R76IBADMNE/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HIMDNIUI7GTUEKIBBYYW7OCTJQFPDNXL/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XO6LIVQS62MI5GG4OVYB5RHVZMYNHAHG/ Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/10/msg00008.html Mailing List Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:nic:knot_resolver:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Information

Published : 2022-09-23 04:15

Updated : 2022-10-29 02:52

NVD link : CVE-2022-40188

Mitre link : CVE-2022-40188

Products Affected
No products.
CWE
CWE-400