In April 2020, when pandemic remote working led to a 500% increase in daily traffic to the Zoom download page, some critics said the company’s software was “a privacy disaster” and even malware. It is not the first time Zoom’s focus on frictionless use has led to a security hole. Normally, the company tries to ensure that is safe by limiting the installer to only operate on code that has been cryptographically signed by Zoom, but the bug discovered by Wardle means that an attacker could trivially bypass that protection and convince the installer to load and run any malware they want. In April 2020, Zoom had more than 300 million daily meeting.
Open the Zoom Download Center in your preferred internet browser. Zoom was one of the most downloaded mobile apps worldwide in 2020 with over 500 million downloads.
In order to make the user journey simpler, the installer continues to run in the background from the moment a user first installs zoom, and does so with “superuser” privileges, allowing it to change anything about the computer. If the download fails or you want to do it manually, follow these steps to add the Zoom app to your Mac. It targets the Zoom installer, which the company uses to enable frictionless automatic updates. Discovered by an independent security researcher, Patrick Wardle – whose brother Jeremy invented the popular game Wordle – the vulnerability was first presented at the Def Con hacking conference in Las Vegas last week.
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