Debian Security Bug TrackerDEBIANCVE:CVE-2022-40188CVE-2022-40188
7.5 High
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
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.005 Low
EPSS
Percentile
76.6%
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.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Debian | 12 | all | knot-resolver | < 5.5.3-1 | knot-resolver_5.5.3-1_all.deb |
| Debian | 11 | all | knot-resolver | <= 5.3.1-1+deb11u1 | knot-resolver_5.3.1-1+deb11u1_all.deb |
| Debian | 10 | all | knot-resolver | < 3.2.1-3+deb10u1 | knot-resolver_3.2.1-3+deb10u1_all.deb |
| Debian | 999 | all | knot-resolver | < 5.5.3-1 | knot-resolver_5.5.3-1_all.deb |
| Debian | 13 | all | knot-resolver | < 5.5.3-1 | knot-resolver_5.5.3-1_all.deb |
Related
7.5 High
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
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.005 Low
EPSS
Percentile
76.6%