CVE-2021-39804

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

In reinit of HeifDecoderImpl.cpp, there is a possible crash due to a missing null check. This could lead to remote persistent denial of service in the file picker with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12LAndroid ID: A-215002587

En la función reinit del archivo HeifDecoderImpl.cpp, se presenta un posible bloqueo debido a una falta de comprobación nula. Esto podría conllevar a una denegación de servicio remota persistente en el selector de archivos sin ser necesarios privilegios de ejecución adicionales. Es requerida una interacción del usuario para su explotación. Producto: Android, Versiones: Android-11 Android-12 Android-12L, ID de Android: A-215002587

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-08-23 CVE Reserved
2022-04-12 CVE Published
2024-08-04 CVE Updated
2024-12-26 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-476: NULL Pointer Dereference

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://source.android.com/security/bulletin/2022-04-01	2022-04-20

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"		Android Search vendor "Google" for product "Android"				11.0 Search vendor "Google" for product "Android" and version "11.0"		-		Affected
Google Search vendor "Google"		Android Search vendor "Google" for product "Android"				12.0 Search vendor "Google" for product "Android" and version "12.0"		-		Affected
Google Search vendor "Google"		Android Search vendor "Google" for product "Android"				12.1 Search vendor "Google" for product "Android" and version "12.1"		-		Affected