CVE-2024-23222: Apple Multiple Products WebKit Type Confusion Vulnerability

CVE-2024-23222 · Severity: critical · CVSS 8.8 · Exploited in the wild · Published 2024-01-23

A type confusion vulnerability in Apple's WebKit engine allows for arbitrary code execution when processing maliciously crafted web content. The issue was addressed with improved checks across multiple Apple operating systems and the Safari browser.

Technologies: Apple Multiple Products. Vendors: Apple.

Quick answers

Is CVE-2024-23222 exploited in the wild?
Yes. CVE-2024-23222 is known to be exploited in the wild, first recorded on 23 January 2024. Treat it as urgent.
How severe is CVE-2024-23222?
Critical severity, with a CVSS score of 8.8, published 23 January 2024.
Which products and versions are affected?
Apple WebKit; Apple Safari < 17.3; Apple iOS and iPadOS < 15.8.7, 16.x < 16.7.5, 17.x < 17.3; Apple macOS Monterey < 12.7.3; and 4 more.
Is there a fix for CVE-2024-23222?
A patch was published on 2024-01-22: Initial fix shipped in iOS 17.3 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2024-23222 attacked?
It is attacked over the network, in a software library.
Am I affected by CVE-2024-23222?
Check whether you run Apple Multiple Products. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Apple WebKit
  • Apple Safari < 17.3
  • Apple iOS and iPadOS < 15.8.7, 16.x < 16.7.5, 17.x < 17.3
  • Apple macOS Monterey < 12.7.3
  • Apple macOS Ventura < 13.6.4
  • Apple macOS Sonoma < 14.3
  • Apple tvOS < 17.3
  • Apple visionOS < 1.0.2

Timeline

  • 2024-01-22: patched: Initial fix shipped in iOS 17.3
  • 2024-01-23: disclosed
  • 2024-01-23: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2024-01-23: exploited: Reported as exploited in the wild at time of publication

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