CVE-2018-10920
Published: 2 August 2018
Improper input validation bug in DNS resolver component of Knot Resolver before 2.4.1 allows remote attacker to poison cache.
Priority
Status
Package | Release | Status |
---|---|---|
knot-resolver Launchpad, Ubuntu, Debian |
upstream |
Released
(2.4.1)
|
xenial |
Needed
|
|
focal |
Not vulnerable
(3.2.1-3ubuntu2)
|
|
hirsute |
Ignored
(end of life)
|
|
groovy |
Ignored
(end of life)
|
|
bionic |
Needed
|
|
cosmic |
Ignored
(end of life)
|
|
disco |
Ignored
(end of life)
|
|
eoan |
Ignored
(end of life)
|
|
impish |
Ignored
(end of life)
|
|
jammy |
Not vulnerable
(5.4.4-1)
|
|
kinetic |
Not vulnerable
(5.5.1-5)
|
|
lunar |
Not vulnerable
(5.6.0-1)
|
|
trusty |
Does not exist
|
|
mantic |
Not vulnerable
(5.6.0-1)
|
|
Patches: upstream: https://gitlab.nic.cz/knot/knot-resolver/-/commit/d2dd680d54c1753c1ad1f973be733d879cea1a73 upstream: https://gitlab.nic.cz/knot/knot-resolver/-/commit/0d20fe3cc4c6a7cb4fb0add89d1ed5ea85f7b58d |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 6.8 |
Attack vector | Network |
Attack complexity | High |
Privileges required | None |
User interaction | None |
Scope | Changed |
Confidentiality | None |
Integrity impact | High |
Availability impact | None |
Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N |