CVE-2022-40188
CVE-2022-40188
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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 7.5 · High · EPSS 1.9% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
n/a
- Versions
- n/a: Affected
No fix published
knot-resolver Debian:12
- Affected ranges
- ECOSYSTEM: < 5.5.3-1
Update to 5.5.3-1
knot-resolver Debian:13
- Affected ranges
- ECOSYSTEM: < 5.5.3-1
Update to 5.5.3-1
knot-resolver Debian:14
- Affected ranges
- ECOSYSTEM: < 5.5.3-1
Update to 5.5.3-1
knot-resolver Ubuntu:Pro:16.04:LTS
- Versions
- 1.0.0~beta2-123-g6134920-1
- 1.0.0~beta3-1
- Affected ranges
- ECOSYSTEM: < 1.0.0~beta3-1ubuntu0.1~esm1
Update to 1.0.0~beta3-1ubuntu0.1~esm1
knot-resolver Ubuntu:Pro:18.04:LTS
- Versions
- 1.3.3-1
- 1.5.0-4
- 1.5.1-1
- 1.5.2-1
- 2.0.0-3
- 2.1.0-1
- 2.1.0-2
- 2.1.1-1
- Affected ranges
- ECOSYSTEM: < 2.1.1-1ubuntu0.1~esm2
Update to 2.1.1-1ubuntu0.1~esm2
knot-resolver Ubuntu:20.04:LTS
- Versions
- 3.2.1-3
- 3.2.1-3ubuntu1
- 3.2.1-3ubuntu2
- Affected ranges
- ECOSYSTEM: < 3.2.1-3ubuntu2.1
Update to 3.2.1-3ubuntu2.1
knot-resolver Ubuntu:Pro:22.04:LTS
- Versions
- 5.3.1-1
- 5.4.2-1
- 5.4.3-1
- 5.4.4-1
- Affected ranges
- ECOSYSTEM: < 5.4.4-1ubuntu0.1~esm1
Update to 5.4.4-1ubuntu0.1~esm1
Original sources
- https://gitlab.nic.cz/knot/knot-resolver/-/merge_requests/1343#note_262558
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S2VE5K3VDUHJOIA2IGT3G5R76IBADMNE/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HIMDNIUI7GTUEKIBBYYW7OCTJQFPDNXL/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XO6LIVQS62MI5GG4OVYB5RHVZMYNHAHG/
- https://lists.debian.org/debian-lts-announce/2022/10/msg00008.html
- https://nvd.nist.gov/vuln/detail/CVE-2022-40188