●Apple Security · Mai 2024

Mise à Jour de Sécurité Apple : iOS 17.5 et WebKit

Analyse technique de la mise à jour Apple iOS 17.5 et macOS Sonoma 14.5 corrigeant des failles zero-day dans WebKit et le noyau.

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

Triage Exécutif et Verdict de Risque

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.

Matrice de Triage des Vulnérabilités

Identifiant CVE Sous-système / Composant Impact CVSS Exploitation Active ?
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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