CVE-2023-0845

Consul Server Panic when Ingress and API Gateways Configured with Peering

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

Consul and Consul Enterprise allowed an authenticated user with service:write permissions to trigger a workflow that causes Consul server and client agents to crash under certain circumstances. This vulnerability was fixed in Consul 1.14.5.

Consul y Consul Enterprise permitieron que un usuario autenticado con servicio:permisos de escritura desencadenara un flujo de trabajo que provoca que el servidor de Consul y los agentes del cliente colapsen en determinadas circunstancias. Esta vulnerabilidad se solucionó en Consul 1.14.5.

*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

High

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:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2023-02-15 CVE Reserved
2023-03-09 CVE Published
2025-02-28 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-476: NULL Pointer Dereference

CAPEC

CAPEC-113: Interface Manipulation

References (4)

URL	Tag	Source
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LYZOKMMVX4SIEHPJW3SJUQGMO5YZCPHC
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XNF4OLYZRQE75EB5TW5N42FSXHBXGWFE
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZTE4ITXXPIWZEQ4HYQCB6N6GZIMWXDAI

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://discuss.hashicorp.com/t/hcsec-2023-06-consul-server-panic-when-ingress-and-api-gateways-configured-with-peering-connections/51197	2023-09-15

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Hashicorp Search vendor "Hashicorp"		Consul Search vendor "Hashicorp" for product "Consul"				< 1.14.5 Search vendor "Hashicorp" for product "Consul" and version " < 1.14.5"		-		Affected