SB2020090919 - Multiple vulnerabilities in WhatsApp for Desktop



SB2020090919 - Multiple vulnerabilities in WhatsApp for Desktop

Published: September 9, 2020

Security Bulletin ID SB2020090919
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Cross-site scripting (CVE-ID: CVE-2019-11928)

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in live location message. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


2) Security Features (CVE-ID: CVE-2020-1889)

This vulnerability allows a remote attacker to bypass security rescritions feature.

The vulnerability exists due to a weak implemented security. A remote attacker can escape sandbox in Electron and escalate privilege if combined with a remote code execution inside the sandboxed renderer process.


Remediation

Install update from vendor's website.