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
7.2 High
AI Score
Confidence
Low
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
0.0005 Low
EPSS
Percentile
16.1%
Debian Security Advisory DSA-5633-1 [email protected]
https://www.debian.org/security/ Moritz Muehlenhoff
February 27, 2024 https://www.debian.org/security/faq
Package : knot-resolver
CVE ID : CVE-2023-46317 CVE-2023-50387 CVE-2023-50868
It was discovered that malformed DNSSEC records within a DNS zone could
result in denial of service against Knot Resolver, a caching, DNSSEC-
validating DNS resolver.
For the stable distribution (bookworm), these problems have been fixed in
version 5.6.0-1+deb12u1.
We recommend that you upgrade your knot-resolver packages.
For the detailed security status of knot-resolver please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/knot-resolver
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
Mailing list: [email protected]
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | bookworm | all | knot-resolver-doc | < 5.6.0-1+deb12u1 | knot-resolver-doc_5.6.0-1+deb12u1_all.deb |
Debian | bookworm | all | knot-resolver-module-http | < 5.6.0-1+deb12u1 | knot-resolver-module-http_5.6.0-1+deb12u1_all.deb |
Debian | bookworm | all | knot-resolver | < 5.6.0-1+deb12u1 | knot-resolver_5.6.0-1+deb12u1_all.deb |
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
7.2 High
AI Score
Confidence
Low
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
0.0005 Low
EPSS
Percentile
16.1%