WhatsApp Fixes Bug That Could Let Hackers Crash App During Calls

WhatsApp fixes bug that let hackers take over app when answering a video call

Answering a booby-trapped video call via the WhatsApp messaging service could force the app to crash and close, a security expert has found.

The vulnerability, which affected WhatsApp applications on Apple and Android smartphones, was discovered in late August and was fixed by Facebook in early October, according to a technical disclosure report posted online.

"This issue can occur when a WhatsApp user accepts a call from a malicious peer", Silvanovich said in a bug report.

The move has been making the rounds ever since Facebook acquired WhatsApp, the report added. It is yet to be known how many users were affected.

This corrupted the WhatsApp app's heap memory, and the attacks could be used against both iOS and Android users. The WhatsApp for Web client was unaffected since it uses WebRTC for video conferencing. Israel's online intelligence agency recently warned about a widely used account hijacking method that took advantage of improperly secured voicemail inboxes. "We promptly issued a fix to the latest version of WhatsApp to resolve this issue", WhatsApp said in an email statement to Reuters. He or she will obviously enter the wrong security one-time code because that code is sent to the actual user's phone number.


"We routinely engage with security researchers from around the world to ensure WhatsApp remains safe and reliable", it said.

Facebook has suffered a string of security-related problems in the previous year.

Facebook security team discovered the security issue on September 25 which was later fixed.

In the Cambridge Analytica scandal, data of almost 87 million people was breached upon.

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