Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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.

Published

2022-09-23T16:15:11.673

Last Modified

2025-05-27T15:15:28.160

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

Weaknesses

Type: Primary
CWE-407
Type: Secondary
CWE-407

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	nic	knot_resolver	< 5.5.3	Yes
Operating System	fedoraproject	fedora	35	Yes
Operating System	fedoraproject	fedora	36	Yes
Operating System	fedoraproject	fedora	37	Yes
Operating System	debian	debian_linux	10.0	Yes

References

https://gitlab.nic.cz/knot/knot-resolver/-/merge_requests/1343#note_262558 Release Notes, Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2022/10/msg00008.html Mailing List, Third Party Advisory ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HIMDNIUI7GTUEKIBBYYW7OCTJQFPDNXL/ ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S2VE5K3VDUHJOIA2IGT3G5R76IBADMNE/ ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XO6LIVQS62MI5GG4OVYB5RHVZMYNHAHG/ ([email protected])
https://gitlab.nic.cz/knot/knot-resolver/-/merge_requests/1343#note_262558 Release Notes, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2022/10/msg00008.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HIMDNIUI7GTUEKIBBYYW7OCTJQFPDNXL/ (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S2VE5K3VDUHJOIA2IGT3G5R76IBADMNE/ (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XO6LIVQS62MI5GG4OVYB5RHVZMYNHAHG/ (af854a3a-2127-422b-91ae-364da2661108)