CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
39.0%
Knot Resolver before 5.6.0 enables attackers to consume its resources,
launching amplification attacks and potentially causing a denial of
service. Specifically, a single client query may lead to a hundred TCP
connection attempts if a DNS server closes connections without providing a
response.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 18.04 | noarch | knot-resolver | < any | UNKNOWN |
ubuntu | 20.04 | noarch | knot-resolver | < any | UNKNOWN |
ubuntu | 22.04 | noarch | knot-resolver | < any | UNKNOWN |
ubuntu | 16.04 | noarch | knot-resolver | < any | UNKNOWN |