Exploiting Android Messengers with WebRTC: Part 3

Summary: Project Zero's Natalie Silvanovich built a Frida-based exploit for WebRTC vulnerabilities on Android and tested it against 14 conferencing apps narrowed from roughly 200 that use WebRTC, finding it worked on Signal about 90% of the time and also on Google Duo. The attack required no user interaction on Signal or Duo because both start the WebRTC connection before an incoming call is answered, and CVE-2020-6514 was fixed on July 14.
What's compelling: An exploit that lands roughly 90% of the time on Signal and needs zero interaction from the target means a missed call is the only trace a victim may see - and the research surfaced a serious additional vulnerability in one unnamed app that had not been fixed at publication.

Read the original at Google Project Zero ↗

Topics: Vulnerabilities & Patching
Mentions: CVE-2020-6514
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