CVE-2020-1910 : What You Need to Know

A missing bounds check in WhatsApp for Android and WhatsApp Business for Android could allow out-of-bounds read and write when specific image filters are applied to crafted images.

Understanding CVE-2020-1910

A vulnerability that affects WhatsApp for Android and WhatsApp Business for Android versions less than v2.21.1.13.

What is CVE-2020-1910?

This CVE describes a missing bounds check vulnerability in WhatsApp applications for Android, allowing out-of-bounds read and write scenarios under specific conditions.

The Impact of CVE-2020-1910

The vulnerability could lead to potential out-of-bounds read and write operations, enabling attackers to exploit the application through specially crafted images.

Technical Details of CVE-2020-1910

A closer look at the technical aspects of this CVE.

Vulnerability Description

The missing bounds check in WhatsApp for Android and WhatsApp Business for Android versions prior to v2.21.1.13 could result in out-of-bounds read and write when handling images with specific filters.

Affected Systems and Versions

WhatsApp Business for Android prior to v2.21.1.13
WhatsApp for Android prior to v2.21.1.13

Exploitation Mechanism

An attacker can exploit this vulnerability by sending a specially crafted image with specific filters applied, triggering out-of-bounds read and write operations.

Mitigation and Prevention

Steps to address and prevent the CVE-2020-1910 vulnerability.

Immediate Steps to Take

Update WhatsApp for Android and WhatsApp Business for Android to version v2.21.1.13 or higher.
Avoid opening images from unknown or untrusted sources.

Long-Term Security Practices

Regularly update all software and applications to the latest versions.
Educate users on the risks of opening files from unknown sources.

Patching and Updates

Ensure continuous monitoring for security updates and promptly apply patches to mitigate potential risks.