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.

CVSS v3.0 7.5 HIGH

7.5^/10

CVSS v3.0 : HIGH

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/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XO6LIVQS62MI5GG4OVYB5RHVZMYNHAHG/
https://lists.debian.org/debian-lts-announce/2022/10/msg00008.html

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Configurations

Configuration 1 (hide)

cpe:2.3:a:nic:knot_resolver:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*

Information

Published : 2022-09-23 09:15

Updated : 2022-10-07 20:15

NVD link : CVE-2022-40188

Mitre link : CVE-2022-40188

JSON object : View

CWE

CWE-400

Uncontrolled Resource Consumption

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Products Affected

nic

knot_resolver

fedoraproject

fedora

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