Because group members cannot selectively delete the malicious message without opening the group window, they may have to completely delete the group chat history to get rid of it. This should be a bad result for users who don’t back up their chats.
The software error discovered by researchers at the Israeli cyber security company Check Point reveals that WhatsApp has an exploitable point of adopting the Extensible Messaging and Asset Protocol (XMPP). In the video you’ll watch at the end of the news, you’ll see how one user plays with the software parameters associated with a message in the group and crashes the other user’s application.
The user uses WhatsApp Web and a web browser debugging tool together with an open source WhatsApp manipulation tool that Check Point released last year. Check Point researchers, a user in the group sent the message in the source code of the phone number by replacing ‘firstname.lastname@example.org’, replacing all members of the group says whatsApp’lar─▒n─▒ locked. The error crashes the application and whatsApp will continue to have the same problem every time they open researchers, as well as users can not go back to the group and can not access the discarded messages, he says.
Check Point, the software error that caused the crash, reported to the security team last August WhatsApp security company and released the update in mid-September WhatsApp 2.19.58 says that the problem solved. Researchers recommend that users keep their applications up-to-date in order to avoid potential software bugs and attacks.
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