CVE-2023-41993: Apple Multiple Products WebKit Code Execution Vulnerability

CVE-2023-41993 · Severity: critical · CVSS 8.8 · Exploited in the wild · Published 2023-09-25

A code execution vulnerability exists in Apple WebKit due to improper checks when processing web content. An attacker can achieve arbitrary code execution by enticing a user to process maliciously crafted web content. This issue was reportedly exploited in the wild against iOS versions prior to 16.7.

Technologies: Apple Multiple Products. Vendors: Apple.

Quick answers

Is CVE-2023-41993 exploited in the wild?
Yes. CVE-2023-41993 is known to be exploited in the wild, first recorded on 25 September 2023. Treat it as urgent.
How severe is CVE-2023-41993?
Critical severity, with a CVSS score of 8.8, published 25 September 2023.
Which products and versions are affected?
Apple WebKit; Apple Safari before 17.0; Apple iOS before 17.0.1; Apple iPadOS before 17.0.1; and 2 more.
Is there a fix for CVE-2023-41993?
A patch was published on 2023-09-25: Fixed in macOS Sonoma 14, iOS 17.0.1, iPadOS 17.0.1, and Safari 17.0 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2023-41993 attacked?
It is attacked over the network, in a software library.
Am I affected by CVE-2023-41993?
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 17.0
  • Apple iOS before 17.0.1
  • Apple iPadOS before 17.0.1
  • Apple macOS Sonoma before 14.0
  • WebKitGTK Project WebKitGTK before 2.42.2

Timeline

  • 2023-09-25: disclosed
  • 2023-09-25: kev added: Added to CISA KEV catalog
  • 2023-09-25: patched: Fixed in macOS Sonoma 14, iOS 17.0.1, iPadOS 17.0.1, and Safari 17.0
  • 2023-09-25: exploited: Apple is aware of reports of active exploitation against iOS versions before 16.7.

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