SB2020090921 - Multiple vulnerabilities in WhatsApp

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Main Vulnerability Database SB2020090921

SB2020090921 - Multiple vulnerabilities in WhatsApp

Published: September 9, 2020

Security Bulletin ID SB2020090921
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Input validation error (CVE-ID: CVE-2020-1890)

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to a URL validation issue. A remote attacker can cause the recipient of a sticker message containing deliberately malformed data to load an image from a sender-controlled URL without user interaction.


2) Out-of-bounds write (CVE-ID: CVE-2020-1886)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input. A remote attacker can trigger out-of-bounds write via a specially crafted video stream after receiving and answering a malicious video call and execute arbitrary code on the target system.


Remediation

Install update from vendor's website.

References