Natalie Silvanovich, a researcher in Google's Project Zero security research team and a Tamagotchi hacker first spotted the WhatsApp vulnerability. You will receive a video call, and if you answer it, the bug will let the hacker get access to your WhatsApp account. Only the mobile users, both iOS and Android had the bug.
This exploit was fixed on September 28 for the Android users and on October 3 for the iPhone users via an update. The researcher has explained the bug as a "memory corruption bug in WhatsApp's non-WebRTC video conferencing implementation". Though, the latest one seem to have been solved by Facebook, it is being reported that WhatsApp, one of the apps owned by the social media behemoth suffered a vulnerability issue last August.
Android Police has reported that in the latest beta for WhatsApp on Android a picture-in-picture video playback option is available, which allows clips to play in a separate window on top of the application. WhatsApp web users were not impacted because it uses, what is called, WebRTC for video calls. The report added that WhatsApp had "no evidence that hackers actually exploited the bug to launch attacks".
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Tavis Ormandy, another Google Project Zero researcher, said that the flaw was serious, as hackers could have completely taken control of your WhatsApp account and spied on your secret conversations. The company later said that they have fixed it, but here a few things you still need to know about.
It's thought that left unchecked it could be turned into a weapon was a more damaging payload endangering numerous 1.2bn worldwide users of the app. It works with security researchers around the world to ensure that the service "remains safe and reliable".
The developers who are in charge of WhatsApp have started rolling out a new update that takes care of a major security issue that made it possible for hackers to basically hijack the app.
Experts found in WhatsApp messenger new and unsafe vulnerability.