It sounds like a scenario out of a spy movie: An infected file will be sent to a victim. It doesn’t have to interact with them. A completely different action then triggers the Hack and at the end of the Hacker has the control over the device. The ability to exactly the same kind of attack has now been discovered for Whatsapp. It allows you to have complete control over the Smartphone.

The so-called “double free”vulnerability is in the Gif function of the Messengers, describes the discoverer of “Awakend” in a detailed Post at Github. Therefore, it is sufficient to receive a manipulated Gif, in order to make the Smartphone vulnerable to the attack. To open after receiving the attachment feature in any Chat, it will load the hack package and the phone is cracked. Are affected certain Android systems, in the iPhone Version, the error is not present.

communication: It doesn’t have to be Whatsapp: five secure Messenger-Alternative Fullscreen

the Signal

The Messenger Signal is not only for many customers, the Alternative to Whatsapp – but also one of the founders. Years after he had earned with the sale of Whatsapp billion, left, Brian Acton, Facebook, presumably in a dispute over the safety of the Messengers. Then he put millions in a Signal. There, privacy and well-being: The operator can’t read the Chats, even the to the search for other users uploaded to the phone-books to be encrypted before and in a for the company’s non-recoverable Form (“Hash”), compared with each other. The for Desktop, Android and iOS App, available free of charge.

there is No direct interaction needed

debt is the handling of the messenger with attachments. In the default setting, which can be downloaded immediately, if the Sender is in the contact list. It then opens the attachment function, for example, with a tap on the paperclip icon, it will load a preview of all received files, and thus the manipulated Gif enabled.

It was not known that the gap had been exploited, explained to Whatsapp to “The Next Web”. The Facebook subsidiary, has responded quickly, the latest Update stopped the danger. According to Whatsapp advises every Android user, as soon as possible, the Update record.

All of the users were not in danger. In addition to the iPhone System, iOS, many Android were not affected-versions of the gap. The attack worked, according to the discoverer only in Android versions between 8.1 and 9.0. Earlier and later versions, he could not hack it. According to the latest Numbers from Google in may, less than 20 percent of all Android is likely to-.Users may be at risk. Nevertheless, the Update for all users is likely to be recommended.

source: Github, The Next Web

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