CVE-2020-2024

Kata Containers - Guests can trick the kata-runtime into unmounting any mount point on the host

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

An improper link resolution vulnerability affects Kata Containers versions prior to 1.11.0. Upon container teardown, a malicious guest can trick the kata-runtime into unmounting any mount point on the host and all mount points underneath it, potentiality resulting in a host DoS.

Una vulnerabilidad de resolución de enlace inapropiada afecta a Kata Containers versiones anteriores a 1.11.0. Tras el desmontaje del contenedor, un invitado malicioso puede engañar al kata-runtime para que desmonte cualquier punto de montaje en el host y todos los puntos de montaje debajo de él, lo que puede generar una DoS del host.

*Credits: Yuval Avrahami, Palo Alto Networks

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-12-04 CVE Reserved
2020-05-19 CVE Published
2023-03-08 EPSS Updated
2024-09-17 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-59: Improper Link Resolution Before File Access ('Link Following')

CAPEC

References (2)

URL	Tag	Source
https://github.com/kata-containers/runtime/issues/2474	Third Party Advisory

URL	Date	SRC

URL	Date	SRC
https://github.com/kata-containers/runtime/pull/2475	2020-05-21

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Katacontainers Search vendor "Katacontainers"		Runtime Search vendor "Katacontainers" for product "Runtime"				< 1.11.0 Search vendor "Katacontainers" for product "Runtime" and version " < 1.11.0"		-		Affected