Alert: Why You Must Not Open This ‘Scary’ New WhatsApp Message

WhatsApp users are now under threat from the same kind of “text bomb” message that recently plagued iMessage users. Strings of strange characters that not only make no sense to users but confuse WhatApp itself. Just as with iMessage, the issue is that the app’s failure to render the message will lead to a crash. The much more serious issue here, though, is that once a user has opened a message it might send the app into a crash each time it’s opened. And that could mean a user needing to delete and reinstall the app.

This latest threat was reported by WhatsApp watcher WABetaInfo on Sunday, “there isn’t a general way to describe this,” the site warned, “so we prefer to call them ‘Scary Messages’. Scary Messages are very dangerous, and they can destruct your experience in WhatsApp.” According to the site, the issue has been especially prominent in Brazil but is not getting wider traction.

The other angle to this attack is the forwarding of corrupted VCFs—contact files with multiple contacts, some of whom again have long names filled with alien characters. WhatsApp is rolling out a fix, and has said in a statement that “it has released and already begun rolling out a patch that addresses this in its latest iOS software update,” adding that “we strongly encourage users to keep their WhatsApp app and mobile operating system up to date and download updates whenever they’re available.”

This specific issue isn’t new—WABetaInfo says that such attacks can be traced back as far as three years. But there was a WhatsApp Killer Message-warning from the security researchers at Check Point late last year, which should have altered the platform to taking action across its various apps to deal with this kind of attack.

As then, part of the mitigating advice now—in addition to ensuring you update your app—is to limit those who can add you to groups to contacts only. The issue raised by Check Point was the use of groups as an attack vector to share corrupted messages with targets.

Kweku Jasper
Kweku Jasper
I am a multi talented African son growing up in a cold but hot world, where nothing is what it seems to be. I am an optimist by faith, R.N by profession, Web developer by practice, Tech preacher by decision, promoter by love, blogger by inspiration, photographer by occupation, marketer by calling, satirist by tribe, entrepreneur by origin, events manager by love, non-bias and rich by choice, illustrious by divine arrangement and Ghanaian by law. I am a Data Scientist by curiosity, ML & AI fun, a Cybersecurity advocate, SEO consultant & a UI/UX Researcher. Simply put, I am all things to all men at all times.
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