CVE-2023-46317

2023-10-2200:00:00

ubuntu.com

knot resolver

tcp reconnections

vulnerability

unix

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

0.0005 Low

EPSS

Percentile

17.1%

JSON

Knot Resolver before 5.7.0 performs many TCP reconnections upon receiving
certain nonsensical responses from servers.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchknot-resolver< anyUNKNOWN
ubuntu20.04noarchknot-resolver< anyUNKNOWN
ubuntu22.04noarchknot-resolver< anyUNKNOWN
ubuntu23.10noarchknot-resolver< anyUNKNOWN
ubuntu24.04noarchknot-resolver< anyUNKNOWN
ubuntu16.04noarchknot-resolver< anyUNKNOWN

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	23.10	noarch	knot-resolver	< any	UNKNOWN
ubuntu	24.04	noarch	knot-resolver	< any	UNKNOWN
ubuntu	16.04	noarch	knot-resolver	< any	UNKNOWN