CVE-2019-10191

A vulnerability was discovered in DNS resolver of knot resolver before version 4.1.0 which allows remote attackers to downgrade DNSSEC-secure domains to DNSSEC-insecure state, opening possibility of domain hijack using attacks against insecure DNS protocol.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
redhatCNA
6.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 64%
VendorProductVersion
nicknot_resolver
𝑥
< 4.1.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
knot-resolver
bullseye
5.3.1-1+deb11u1
fixed
bookworm
5.6.0-1+deb12u1
fixed
bookworm (security)
5.6.0-1+deb12u1
fixed
sid
5.7.4-2
fixed
trixie
5.7.4-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
knot-resolver
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
not-affected
jammy
not-affected
impish
ignored
hirsute
ignored
groovy
ignored
focal
needed
eoan
ignored
disco
ignored
cosmic
ignored
bionic
needed
xenial
needed
trusty
dne
Common Weakness Enumeration
References
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10191
https://lists.debian.org/debian-lts-announce/2024/04/msg00017.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TMSSWBHINIX4WE6UDXWM66L7JYEK6XS6/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VZV5YZZ5766UIG2TFLFJL6EESQNAP5X5/
https://www.knot-resolver.cz/2019-07-10-knot-resolver-4.1.0.html
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10191
https://lists.debian.org/debian-lts-announce/2024/04/msg00017.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TMSSWBHINIX4WE6UDXWM66L7JYEK6XS6/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VZV5YZZ5766UIG2TFLFJL6EESQNAP5X5/
https://www.knot-resolver.cz/2019-07-10-knot-resolver-4.1.0.html