CVE-2023-32409: Apple Multiple Products WebKit Sandbox Escape Vulnerability

CVE-2023-32409 · Severity: critical · CVSS 8.6 · Exploited in the wild · Published 2023-05-22

A sandbox escape vulnerability in Apple's WebKit engine allows a remote attacker to break out of the Web Content sandbox. The issue, caused by insufficient bounds checks, has been reported as being actively exploited in the wild.

Technologies: Apple Multiple Products. Vendors: Apple.

Quick answers

Is CVE-2023-32409 exploited in the wild?
Yes. CVE-2023-32409 is known to be exploited in the wild, first recorded on 22 May 2023. Treat it as urgent.
How severe is CVE-2023-32409?
Critical severity, with a CVSS score of 8.6, published 22 May 2023.
Which products and versions are affected?
Apple WebKit; Apple Safari before 16.5; Apple iOS and iPadOS before 15.7.8, before 16.5; Apple macOS Ventura before 13.4; and 2 more.
Is there a fix for CVE-2023-32409?
A patch was published on 2023-05-22: Fixed in watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, iOS 15.7.8, iPadOS 15.7.8, Safari 16.5, iOS 16.5, and iPadOS 16.5. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2023-32409 attacked?
It is attacked over the network, in a software library.
Am I affected by CVE-2023-32409?
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 before 16.5
  • Apple iOS and iPadOS before 15.7.8, before 16.5
  • Apple macOS Ventura before 13.4
  • Apple tvOS before 16.5
  • Apple watchOS before 9.5

Timeline

  • 2023-05-22: disclosed
  • 2023-05-22: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2023-05-22: patched: Fixed in watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, iOS 15.7.8, iPadOS 15.7.8, Safari 16.5, iOS 16.5, and iPadOS 16.5.
  • 2023-05-22: exploited: Apple is aware of reports of active exploitation.

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