CVE-2022-24878

Improper path handling in Kustomization files allows for denial of service

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Flux is an open and extensible continuous delivery solution for Kubernetes. Path Traversal in the kustomize-controller via a malicious `kustomization.yaml` allows an attacker to cause a Denial of Service at the controller level. Workarounds include automated tooling in the user's CI/CD pipeline to validate `kustomization.yaml` files conform with specific policies. This vulnerability is fixed in kustomize-controller v0.24.0 and included in flux2 v0.29.0. Users are recommended to upgrade.

Flux es una solución de entrega continua abierta y extensible para Kubernetes. Un Salto de Ruta en el kustomize-controller por medio de un "kustomization.yaml" malicioso permite a un atacante causar una Denegación de Servicio a nivel del controlador. Las mitigaciones incluyen herramientas automatizadas en la cadena de producción CI/CD del usuario para comprobar que los archivos "kustomization.yaml" son ajustadas a políticas específicas. Esta vulnerabilidad ha sido corregida en kustomize-controller versión v0.24.0 y ha sido incluido en flux2 versión v0.29.0. Se recomienda a usuarios que actualizar

*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

Changed

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-02-10 CVE Reserved
2022-05-06 CVE Published
2024-08-03 CVE Updated
2024-12-17 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CAPEC

References (1)

URL	Tag	Source
https://github.com/fluxcd/flux2/security/advisories/GHSA-7pwf-jg34-hxwp	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Fluxcd Search vendor "Fluxcd"		Flux2 Search vendor "Fluxcd" for product "Flux2"				< 0.29.0 Search vendor "Fluxcd" for product "Flux2" and version " < 0.29.0"		-		Affected
Fluxcd Search vendor "Fluxcd"		Kustomize-controller Search vendor "Fluxcd" for product "Kustomize-controller"				< 0.24.0 Search vendor "Fluxcd" for product "Kustomize-controller" and version " < 0.24.0"		-		Affected