CVE-2022-37428

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

PowerDNS Recursor up to and including 4.5.9, 4.6.2 and 4.7.1, when protobuf logging is enabled, has Improper Cleanup upon a Thrown Exception, leading to a denial of service (daemon crash) via a DNS query that leads to an answer with specific properties.

PowerDNS Recursor versiones hasta 4.5.9, 4.6.2 y 4.7.1 incluyéndola, cuando el registro de protobufs está habilitado, presenta una limpieza inapropiada tras una excepción lanzada, conllevando a una denegación de servicio (bloqueo del demonio) por medio de una consulta DNS que conlleva a una respuesta con propiedades específicas.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-08-05 CVE Reserved
2022-08-23 CVE Published
2024-08-03 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-459: Incomplete Cleanup

CAPEC

References (3)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://docs.powerdns.com/recursor/lua-config/protobuf.html	2023-11-07
https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2022-02.html	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FXSREJKTT6RNE3GXQENQ4R4HS37UNSPX	2023-11-07

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Powerdns Search vendor "Powerdns"		Recursor Search vendor "Powerdns" for product "Recursor"				>= 4.5.0 < 4.5.10 Search vendor "Powerdns" for product "Recursor" and version " >= 4.5.0 < 4.5.10"		-		Affected
Powerdns Search vendor "Powerdns"		Recursor Search vendor "Powerdns" for product "Recursor"				>= 4.6.0 < 4.6.3 Search vendor "Powerdns" for product "Recursor" and version " >= 4.6.0 < 4.6.3"		-		Affected
Powerdns Search vendor "Powerdns"		Recursor Search vendor "Powerdns" for product "Recursor"				>= 4.7.0 < 4.7.2 Search vendor "Powerdns" for product "Recursor" and version " >= 4.7.0 < 4.7.2"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				36 Search vendor "Fedoraproject" for product "Fedora" and version "36"		-		Affected