CVE-2020-1909

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 use-after-free in a logging library in WhatsApp for iOS prior to v2.20.111 and WhatsApp Business for iOS prior to v2.20.111 could have resulted in memory corruption, crashes and potentially code execution. This could have happened only if several events occurred together in sequence, including receiving an animated sticker while placing a WhatsApp video call on hold.

Un uso de la memoria previamente liberada en una biblioteca de registro en WhatsApp para iOS anterior a versión v2.20.111 y WhatsApp Business para iOS anterior a versión v2.20.111, podría haber resultado en una corrupción de la memoria, fallos y potencialmente una ejecución de código. Esto podría haber sucedido solo si varios eventos ocurrieron juntos en secuencia, incluyendo la recepción de una pegatina animada mientras se coloca una videollamada de WhatsApp en espera

*Credits: N/A

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

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

2019-12-02 CVE Reserved
2020-11-03 CVE Published
2024-03-08 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-416: Use After Free

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.whatsapp.com/security/advisories/2020	2020-11-06

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Whatsapp Search vendor "Whatsapp"		Whatsapp Search vendor "Whatsapp" for product "Whatsapp"				< 2.20.111 Search vendor "Whatsapp" for product "Whatsapp" and version " < 2.20.111"		iphone_os		Affected
Whatsapp Search vendor "Whatsapp"		Whatsapp Business Search vendor "Whatsapp" for product "Whatsapp Business"				< 2.20.111 Search vendor "Whatsapp" for product "Whatsapp Business" and version " < 2.20.111"		iphone_os		Affected