Denial Of Service (DoS)

2023-10-2708:23:38

Veracode Vulnerability Database

sca.analysiscenter.veracode.com

denial of service

knot resolver

dns responses

vulnerability

dos condition

software

CVSS3

7.5

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

AI Score

6.9

Confidence

High

EPSS

0.001

Percentile

23.7%

JSON

knot-resolver is vulnerable to Denial of Service (DoS). An attacker could exploit this vulnerability by sending specially crafted DNS responses to a vulnerable Knot Resolver server. The server would then attempt to reconnect to the attacker’s server many times, causing a DoS condition.