Muhammad Asad Ul Rehman

Cyber Security Expert

Security Researcher

an Adventurer

Muhammad Asad Ul Rehman

Cyber Security Expert

Security Researcher

an Adventurer

Post

New WhatsApp Bug: Crashing with “wa.me/settings” Message Explained

Introduction:

A new bug discovered in WhatsApp that causes the app to immediately crash for Android users. When exploits a specific message containing the URL “wa.me/settings.” is received, WhatsApp closes as soon as the chat is opened to read the message, resulting in a Denial of Service (DoS) issue. This article will delve into the details of the bug, its potential causes, and the available solutions.

The Bug and Its Mechanics:

The “wa.me/settings” bug is a programming error rather than a vulnerability. When the message containing the URL “wa.me/settings” is received, WhatsApp encounters an “unhandled exception” or a programming error that causing the app to crash. While the exact cause of this problem is not yet fully understood, experts speculate that the issue might be related to the app’s interpretation of the specific URL.

The Role of Deep Links:

The “wa.me” URL is an official WhatsApp deep link that allowing users to navigate to specific points within the app such as individual chats or groups. In this case, when the app attempts to process the “wa.me/settings” link it potentially encounters difficulties in interpreting the URL due to its unconventional structure and leading to the crash.

Previous Instances of Text Bombs:

This WhatsApp bug adds to a series of text bomb-related issues that have plagued messaging apps in the past. In 2018, a specific Indian language font caused crashes on iOS devices. It was affecting WhatsApp and other messaging platforms. The infamous “Effective Power” bug in 2015 impacted Apple’s iMessage service, showcasing the common mechanics of text bombs that disrupt app functionality.

Mitigation and Solutions:

Many users have been advised to uninstall WhatsApp and reinstall it as a solution for the bug. However, this approach is not effective and can lead to data loss, including chat history and account settings. It is important to note that there are alternative methods to address the bug and prevent app crashes without resorting to reinstalling WhatsApp or recreating the account. If the problematic message is received iPhone users can delete it to resolve the issue. For android users, they can open their WhatsApp on WhatsApp Web to remove the message from the conversation.

Furthermore, it is advisable to remove or block the member who sent the problematic message to prevent such incidents from occurring again. However, please note that you need to be an administrator of the group to carry out these actions effectively. Without administrator privileges, you won’t have control to remove users and the problem may persist for all Android app users.

How to Delete the message

The first thing you should do is delete the message immediately. To do it correctly follow these steps:

  • Turn off the Internet connection on your device.
  • Activate airplane mode.
  • Finally, enter the chat and delete the message.

Delete the message from WhatsApp Web

Another way to get WhatsApp back to normal is to delete the message with the wa.me/settings link. This can be done through the whatsapp web version on a laptop or desktop computer. Here are the steps to do it:

  • Log in to WhatsApp Web
  • If you are not logged in, use the method QR code scan.
  • Enter the group chat containing the link wa.me/settings.
  • Touch and hold the chat bubble containing the wa.me/settings link
  • Then click delete all messages.

 

FAQs:

  • Can this bug affect iPhone users as well?

No, this bug specifically affects Android users. However, it’s essential to remain vigilant and keep devices updated across all platforms.

  • Can this bug affect group chats as well?

Yes, the “wa.me/settings” bug can affect both group chats and individual conversations in WhatsApp.

  • Is this bug a vulnerability?

No, the “wa.me/settings” bug is a programming error rather than a vulnerability in the app.

  • Will WhatsApp release an update to address this bug?

Considering the severity and impact of the issue, it is likely that WhatsApp will release an update promptly to fix the problem and prevent further crashes caused by the “wa.me/settings” message.

Write a comment