Hackers spy on Signal, Facebook, and Google chat users thanks to logic bug abuse

The logic bugs that attackers used in the past were discovered by Google Project Zero security manager Natalie Silvanovich in Signal, Google Duo, Facebook Messenger, JioChat, and Mocha messengers. Those bugs got fixed, but they still made it possible to force targeted devices to transmit audio to the hackers' devices without the need of gaining code execution. Silvanovich also looked for similar bugs in other video conference apps but didn't find any issues. Read more...