Denial Of Service (DoS)

2024-05-0615:41:01

Veracode Vulnerability Database

sca.analysiscenter.veracode.com

pdns-recursor

vulnerability

dos

attack

software

improper handling

crafted responses

upstream servers

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

0.0004 Low

EPSS

Percentile

9.1%

JSON

pdns-recursor is vulnerable to a Denial of Service(DoS). The vulnerability is due to the Recursor’s improper handling of crafted responses received from upstream servers during recursive forwarding, allows attackers to trigger a Denial of Service.

CPENameOperatorVersion
pdns-recursor:sideq4.4.1-1
pdns-recursor:sideq4.4.2-3
pdns-recursor:bookwormeq4.4.2-3
pdns-recursor:sideq4.4.1-1
pdns-recursor:sideq4.4.2-3
pdns-recursor:bookwormeq4.4.2-3
pdns-recursor:edgeeq4.2.1-r0
pdns-recursor:edgeeq4.6.0-r0
pdns-recursor:edgeeq4.4.3-r1
pdns-recursor:edgeeq4.5.6-r0

Name	Operator	Version
pdns-recursor:sid	eq	4.4.1-1
pdns-recursor:sid	eq	4.4.2-3
pdns-recursor:bookworm	eq	4.4.2-3
pdns-recursor:sid	eq	4.4.1-1
pdns-recursor:sid	eq	4.4.2-3
pdns-recursor:bookworm	eq	4.4.2-3
pdns-recursor:edge	eq	4.2.1-r0
pdns-recursor:edge	eq	4.6.0-r0
pdns-recursor:edge	eq	4.4.3-r1
pdns-recursor:edge	eq	4.5.6-r0