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A Zoom Flaw Gives Hackers Easy Access to Your Webcam

By Wired

July 16, 2019

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Security researcher Jonathan Leitschuh warns hackers can exploit vulnerabilities in the Zoom videoconferencing desktop app to commandeer a user's Webcam.

Using this technique, attackers can set up a malicious call and fool Zoom users on Apple computers into clicking a link to participate, then add their video feed to monitor whatever the Webcam is directed toward.

Leitschuh said hackers also could launch denial-of-service attacks against Mac computers, using the same technique to inundate them with 'join' requests.

Although Zoom patched this flaw several months ago, it is only now adjusting auto-join video settings, to give users a more prominent way of opting to have video feed automatically launch when they click a call link.

Leitschuh said the patch cannot resolve privacy issues, or the underlying insecurity of the seamless flow that allows Zoom to launch calls from meeting URLs.

From Wired
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