CVE-2020-10022

UpdateHub Module Copies a Variable-Size Hash String Into a Fixed-Size Array

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A malformed JSON payload that is received from an UpdateHub server may trigger memory corruption in the Zephyr OS. This could result in a denial of service in the best case, or code execution in the worst case. See NCC-NCC-016 This issue affects: zephyrproject-rtos zephyr version 2.1.0 and later versions. version 2.2.0 and later versions.

Una carga útil JSON malformada que es recibida desde un servidor UpdateHub puede desencadenar una corrupción de la memoria en el Sistema Operativo Zephyr. Esto podría resultar en una denegación de servicio en el mejor de los casos, o una ejecución de código en el peor de los casos. Consulte NCC-NCC-016. Este problema afecta a: zephyrproject-rtos zephyr versión 2.1.0 y versiones posteriores. Versión 2.2.0 y versiones posteriores.

*Credits: NCC Group for report

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

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

2020-03-03 CVE Reserved
2020-05-11 CVE Published
2024-02-19 EPSS Updated
2024-09-16 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CAPEC

References (5)

URL	Tag	Source
https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10022	X_refsource_misc
https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-28	Third Party Advisory

URL	Date	SRC

URL	Date	SRC
https://github.com/zephyrproject-rtos/zephyr/pull/24065	2020-06-05
https://github.com/zephyrproject-rtos/zephyr/pull/24066	2020-06-05
https://github.com/zephyrproject-rtos/zephyr/pull/24154	2020-06-05

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Zephyrproject Search vendor "Zephyrproject"		Zephyr Search vendor "Zephyrproject" for product "Zephyr"				2.1.0 Search vendor "Zephyrproject" for product "Zephyr" and version "2.1.0"		-		Affected
Zephyrproject Search vendor "Zephyrproject"		Zephyr Search vendor "Zephyrproject" for product "Zephyr"				2.2.0 Search vendor "Zephyrproject" for product "Zephyr" and version "2.2.0"		-		Affected