WhatsApp fixes bug that let hackers break into video calls

WhatsApp

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

You may be thinking that it only happens in the movies, but a Google Project Zero security researcher "Natalie Silvanovich" found out a vulnerability in WhatsApp that allows hackers to control your WhatsApp just by video calling. The vulnerability occurred if a victim accepted a voice call from a corrupted signal. The vulnerability is caused by a memory heap overflow issue which is triggered when a user accepts a malformed RTP packet via a video call request.

She disclosed details about the vulnerability on Tuesday, saying it affected both Android and iOS versions of the app. The Real-time Transport Protocol or RTP is used for video calls done via a smartphone. "Just ++answering a call from an attacker could completely compromise WhatsApp".

According to a new report from Reuters, a security researcher had discovered and reported the flaw to WhatsApp back in August.

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This type of bug has said to be affected WhatsApp applications on Android as well as on Apple. The Facebook-owned messaging app fixed the flaw on September 28 for Android platform and October 3 for the iPhone platform after Silvanovich reported the issue to the WhatsApp team. The web version of the app is not impacted because it relies on a different WebRTC protocol for video calls.

"But I am more concerned with proprietary software from a commercial entity interested in maintaining its user base and profit margins", Garaffa continued. "We publish a solution to the latest version of WhatsApp to solve this problem". The company later said that they have fixed it, but here a few things you still need to know about.

"WhatsApp cares deeply about the security of our users".

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Experts found in WhatsApp messenger new and unsafe vulnerability.

Other notable names in the security research space, like Tavis Ormandy, have pointed out the severity of this kind of hack. The hacker can access the user's voicemail account and get access to that verification code which can be used to hack the app.

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