●Apple Security · Mai 2024

Apple Sicherheitsupdate: iOS 17.5 & WebKit

Technischer Bericht zum Apple iOS 17.5 und macOS Sonoma 14.5 Sicherheitsupdate bezüglich aktiv ausgenutzter WebKit- und Kernel-Schwachstellen.

2
In-The-Wild Zero-Days
8.8
CVSS WebKit Score
Safari
WebContent Sandbox Target
Priority
Mobile Fleet Action

Executive Triage und Risikobewertung

Apple released security updates for iOS 17.5, iPadOS 17.5, and macOS Sonoma 14.5 fixing over 30 vulnerabilities. The focal point of the advisory is CVE-2024-23222, an actively exploited type confusion vulnerability in the WebKit browser engine allowing remote attackers processing web content to bypass Pointer Authentication (PAC) and execute arbitrary code.

Kuratierte Schwachstellen-Triage-Matrix

CVE-Kennung Subsystem / Komponente Auswirkung CVSS Aktive Ausnutzung?
CVE-2024-23222WebKit / JavaScriptCoreJIT Type Confusion8.8 HighYES (Targeted Spyware)
CVE-2024-27834WebKit / Kernel IPCPointer Authentication Bypass7.8 HighYES (In-The-Wild)
CVE-2024-27822AppleMobileFileIntegrityPrivilege Escalation6.7 MediumNo
CVE-2024-27842Kernel CoreMemory Corruption7.8 HighNo
FEATURED CODE TEARDOWN

Deep Dive: CVE-2024-23222 Safari WebKit Object Unboxing Teardown →

See the open-source C++ patch from github.com/WebKit/WebKit showing how Apple fixed DFG JIT object unboxing verification.

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