CVE-2023-32434: Apple Multiple Products Integer Overflow Vulnerability

CVE-2023-32434 · Severity: critical · CVSS 7.8 · Exploited in the wild · Published 2023-06-23

An integer overflow vulnerability in multiple Apple operating systems allows an application to execute arbitrary code with kernel privileges. The issue was addressed through improved input validation across iOS, iPadOS, macOS, and watchOS.

Technologies: Apple Multiple Products. Vendors: Apple.

Quick answers

Is CVE-2023-32434 exploited in the wild?
Yes. CVE-2023-32434 is known to be exploited in the wild, first recorded on 23 June 2023. Treat it as urgent.
How severe is CVE-2023-32434?
Critical severity, with a CVSS score of 7.8, published 23 June 2023.
Which products and versions are affected?
Apple iOS Before 15.7.7, before 16.5.1; Apple iPadOS Before 15.7.7, before 16.5.1; Apple macOS Big Sur Before 11.7.8; Apple macOS Monterey Before 12.6.7; and 2 more.
Is there a fix for CVE-2023-32434?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2023-32434 attacked?
It is attacked with local access, in an operating system.
Am I affected by CVE-2023-32434?
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 iOS Before 15.7.7, before 16.5.1
  • Apple iPadOS Before 15.7.7, before 16.5.1
  • Apple macOS Big Sur Before 11.7.8
  • Apple macOS Monterey Before 12.6.7
  • Apple macOS Ventura Before 13.4.1
  • Apple watchOS Before 8.8.1, before 9.5.2

Timeline

  • 2023-06-23: disclosed
  • 2023-06-23: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2023-06-23: exploited: Apple reported awareness of active exploitation against versions of iOS released before iOS 15.7.

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.