CVE-2020-2023

Kata Containers - Containers have access to the guest root filesystem device

Severity Score

6.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Kata Containers doesn't restrict containers from accessing the guest's root filesystem device. Malicious containers can exploit this to gain code execution on the guest and masquerade as the kata-agent. This issue affects Kata Containers 1.11 versions earlier than 1.11.1; Kata Containers 1.10 versions earlier than 1.10.5; and Kata Containers 1.9 and earlier versions.

Kata Containers no restringe el acceso de los contenedores al dispositivo del sistema de archivos root del invitado. Los contenedores maliciosos pueden explotar esto para obtener la ejecución del código en el invitado y hacerse pasar por el agente de kata. Este problema afecta a: Kata Containers versiones 1.11 anteriores a 1.11.1; Kata Containers versiones 1.10 anteriores a 1.10.5; y Kata Containers versiones 1.9 y anteriores

*Credits: Yuval Avrahami, Palo Alto Networks

CVSS Scores

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

Low

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

None

Integrity

Low

Availability

None

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-12-04 CVE Reserved
2020-06-10 CVE Published
2023-03-08 EPSS Updated
2024-09-17 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-250: Execution with Unnecessary Privileges

CAPEC

References (7)

URL	Tag	Source
https://github.com/kata-containers/agent/issues/791	Third Party Advisory
https://github.com/kata-containers/runtime/releases/tag/1.10.5	Release Notes
https://github.com/kata-containers/runtime/releases/tag/1.11.1	Release Notes

URL	Date	SRC

URL	Date	SRC
https://github.com/kata-containers/agent/pull/792	2021-10-19
https://github.com/kata-containers/runtime/issues/2488	2021-10-19
https://github.com/kata-containers/runtime/pull/2477	2021-10-19
https://github.com/kata-containers/runtime/pull/2487	2021-10-19

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"				<= 1.9 Search vendor "Katacontainers" for product "Runtime" and version " <= 1.9"		-		Affected
Katacontainers Search vendor "Katacontainers"		Runtime Search vendor "Katacontainers" for product "Runtime"				>= 1.10 < 1.10.5 Search vendor "Katacontainers" for product "Runtime" and version " >= 1.10 < 1.10.5"		-		Affected
Katacontainers Search vendor "Katacontainers"		Runtime Search vendor "Katacontainers" for product "Runtime"				>= 1.11 < 1.11.1 Search vendor "Katacontainers" for product "Runtime" and version " >= 1.11 < 1.11.1"		-		Affected