CVE-2022-43454
📋 TL;DR
A double free vulnerability in Apple operating systems allows malicious applications to execute arbitrary code with kernel privileges. This affects macOS, iOS, iPadOS, tvOS, and watchOS users running vulnerable versions. Successful exploitation gives attackers complete control over affected devices.
💻 Affected Systems
- macOS
- iOS
- iPadOS
- tvOS
- watchOS
📦 What is this software?
Ipados by Apple
Macos by Apple
macOS is Apple's desktop and laptop operating system powering Mac computers used by millions of professionals, developers, creative professionals, and enterprise users worldwide. Built on a Unix foundation with the Darwin kernel and modern Cocoa frameworks, macOS delivers a seamless ecosystem integr...
Learn more about Macos →Tvos by Apple
Watchos by Apple
⚠️ Risk & Real-World Impact
Worst Case
Complete device compromise with kernel-level persistence, data theft, and ability to bypass all security controls.
Likely Case
Malicious app gains full system access, potentially installing backdoors, stealing credentials, or joining botnets.
If Mitigated
Limited impact if app sandboxing works properly, but kernel access could bypass most sandbox restrictions.
🎯 Exploit Status
Requires user to install malicious app. No known public exploits as of analysis.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: macOS Ventura 13.1, iOS 16.2, iPadOS 16.2, tvOS 16.2, watchOS 9.2
Vendor Advisory: https://support.apple.com/en-us/102741
Restart Required: Yes
Instructions:
1. Open Settings/System Preferences. 2. Navigate to Software Update. 3. Install available updates. 4. Restart device when prompted.
🔧 Temporary Workarounds
Restrict App Installation
allOnly install apps from trusted sources like Apple App Store
🧯 If You Can't Patch
- Implement strict app installation policies and application allowlisting
- Monitor for suspicious kernel activity and privilege escalation attempts
🔍 How to Verify
Check if Vulnerable:
Check current OS version against vulnerable versions listed in affected_systemsCheck Version:
macOS: sw_vers -productVersion, iOS/iPadOS: Settings > General > About > VersionVerify Fix Applied:
Verify OS version matches or exceeds patched versions listed in fix_official📡 Detection & Monitoring
Log Indicators:
- Kernel panic logs
- Unexpected privilege escalation
- Suspicious kernel module loading
Network Indicators:
- Unusual outbound connections from system processes
- Command and control traffic
SIEM Query:
Processes with unexpected parent-child relationships involving kernel processes