Whenever there’s a new in-the-wild 0-day disclosed, I’m very interested in understanding the root cause of the bug. This allows us to then understand if it was fully fixed, look for variants, and brainstorm new mitigations. This blog is the story of a “zombie” Safari 0-day and how it came back from the dead to be disclosed as exploited in-the-wild in 2022. CVE-2022-22620 was initially fixed in 2013, reintroduced in 2016, and then disclosed as exploited in-the-wild in 2022. If you’re interested in the full root cause analysis for CVE-2022-22620, we’ve published it here.
The identified vulnerability allows bypassing of Gatekeeper security and app notorization, has been patched by Apple.
Apple awarded a $100,500 bug bounty to the researcher who discovered the latest major vulnerability in its browser.
$100,500 Apple Bug Bounty for hacking the webcam via a Safari Universal Cross-Site Scripting (UXSS) bug. CVE-2021-30861, CVE-2021-30975
Apple a publié iOS 15.3.1 pour corriger la vulnérabilité CVE-2022-22620 de WebKit, qui serait activement exploitée par les cybercriminels.
"Sorti hier, macOS 12.2.1 règle un problème de sécurité dans WebKit, le moteur de Safari, qui aurait pu permettre à une personne malintentionnée d'exécuter du code arbitraire en faisant simplement visiter à l'utilisateur une page web malveillante (CVE-2022-22620). Si votre Mac n'est pas compatible avec macOS Monterey, une mise à jour individuelle de Safari est disponible."
"Apple on Thursday released security updates for iOS, iPadOS, macOS, and Safari to address a new WebKit flaw that it said may have been actively exploited in the wild, making it the company's third zero-day patch since the start of the year."
