CVE-2022-0247

Write access to VMO data through copy-on-write in Fuchsia

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

An issue exists in Fuchsia where VMO data can be modified through access to copy-on-write snapshots. A local attacker could modify objects in the VMO that they do not have permission to. We recommend upgrading past commit d97c05d2301799ed585620a9c5c739d36e7b5d3d or any of the listed versions.

Se presenta un problema en Fuchsia donde los datos VMO pueden ser modificados a través del acceso a las instantáneas de copia en escritura. Un atacante local podría modificar objetos en el VMO para los que no presenta permiso. Recomendamos actualizar el commit d97c05d2301799ed585620a9c5c739d36e7b5d3d o cualquiera de las versiones listadas.

*Credits: N/A

CVSS Scores

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

None

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-01-17 CVE Reserved
2022-02-25 CVE Published
2023-03-08 EPSS Updated
2024-08-02 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-732: Incorrect Permission Assignment for Critical Resource

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://fuchsia.googlesource.com/fuchsia/+/d97c05d2301799ed585620a9c5c739d36e7b5d3d	2022-03-08

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Google Search vendor "Google"		Fuchsia Search vendor "Google" for product "Fuchsia"				< 2022-01-03 Search vendor "Google" for product "Fuchsia" and version " < 2022-01-03"		-		Affected