Published: Fri, October 12, 2018
Technology | By Lionel Gonzales

Facebook’s WhatsApp says has fixed video call security bug

Facebook’s WhatsApp says has fixed video call security bug

Luckily, WhatsApp took quick notice of the vulnerability and claims to have fixed the issue that aroused within their software.

In August, Natalie Silvanovich, a researcher from Google's Project Zero security team, detected a severe security flaw in WhatsApp video calls function.

According to the researcher, the bug is a "memory corruption bug in WhatsApp's non-WebRTC video conferencing implementation". "Just ++answering a call from an attacker could completely compromise WhatsApp". Silvanovich wrote in a bug report that heap corruption could occur when the WhatsApp app "receives a malformed RTP packet".

RTP stands for Realtime Transport Protocol and is commonly used to send audio and video over the Internet. On the web, WhatsApp doesn't use WebRTC for video calls.

It is yet to be known how many users were affected by the bug which allowed hackers to let the app crash during incoming WhatsApp video calls.

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We reached out to WhatsApp to comment on the bug and its fix, and received a statement from a company spokesperson, "WhatsApp cares deeply about the security of our users". This means that an attacker would only need a phone number to hijack an account and eavesdrop on conversations. This puts them at risk. "How could a hacker take over an app if it's just crashed?"

This trigger results in the app crashing for the user (Android or iOS) and while there's no specific mention of any other potential issues that may arise from this, there's always the possibility of something nefarious occurring.

As the new feature is available in the latest beta for WhatsApp, it is likely the feature could arrive in a full capacity for all users very soon. WhatsApp will call the legitimate user's phone and speak the verification code.

According to previous media reports, the advertisements would be powered ny Facebook's native advertising system and would be aimed at helping users understand and participate in businesses using the messaging app.

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