CVE-2023-46317

EUVD-2023-50538
Knot Resolver before 5.7.0 performs many TCP reconnections upon receiving certain nonsensical responses from servers.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 26%
Affected Products (NVD)
VendorProductVersion
nicknot_resolver
𝑥
< 5.7.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
knot-resolver
bookworm
5.6.0-1+deb12u1
fixed
bookworm (security)
5.6.0-1+deb12u1
fixed
bullseye
no-dsa
buster
no-dsa
sid
5.7.4-2
fixed
trixie
5.7.4-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
knot-resolver
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
lunar
ignored
mantic
ignored
noble
needs-triage
oracular
not-affected
trusty
ignored
xenial
needs-triage
References
https://gitlab.nic.cz/knot/knot-resolver/-/merge_requests/1448
https://www.knot-resolver.cz/2023-08-22-knot-resolver-5.7.0.html
https://gitlab.nic.cz/knot/knot-resolver/-/merge_requests/1448
https://www.knot-resolver.cz/2023-08-22-knot-resolver-5.7.0.html