CVE-2024-54517
📋 TL;DR
This vulnerability allows a malicious app to corrupt coprocessor memory on Apple devices, potentially leading to system instability or unauthorized code execution. It affects macOS, iOS, iPadOS, watchOS, and tvOS before specific updates. Users running affected Apple operating systems are at risk.
💻 Affected Systems
- macOS
- iOS
- iPadOS
- watchOS
- tvOS
📦 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 system compromise allowing arbitrary code execution with kernel privileges, potentially leading to data theft, persistence, or device takeover.
Likely Case
Application crashes, system instability, or limited privilege escalation within the app sandbox environment.
If Mitigated
No impact if devices are fully patched or if vulnerable apps are prevented from running.
🎯 Exploit Status
Exploitation requires a malicious app to be installed and executed on the target device.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: macOS Sequoia 15.2, watchOS 11.2, tvOS 18.2, iOS 18.2, iPadOS 18.2
Vendor Advisory: https://support.apple.com/en-us/121837
Restart Required: Yes
Instructions:
1. Open Settings/System Preferences. 2. Navigate to Software Update. 3. Download and install the latest update for your device. 4. Restart the device when prompted.
🔧 Temporary Workarounds
Restrict App Installation
allOnly allow installation of apps from trusted sources like the App Store to prevent malicious apps from exploiting this vulnerability.
🧯 If You Can't Patch
- Isolate affected devices from critical networks and sensitive data.
- Implement application allowlisting to prevent unauthorized apps from executing.
🔍 How to Verify
Check if Vulnerable:
Check the operating system version against the affected versions listed above.Check Version:
On macOS: sw_vers -productVersion. On iOS/iPadOS: Settings > General > About > Version. On watchOS/tvOS: Settings > General > About > Version.Verify Fix Applied:
Verify the device is running macOS Sequoia 15.2 or later, watchOS 11.2 or later, tvOS 18.2 or later, iOS 18.2 or later, or iPadOS 18.2 or later.📡 Detection & Monitoring
Log Indicators:
- Unexpected application crashes, kernel panics, or memory corruption errors in system logs.
Network Indicators:
- Unusual outbound connections from Apple devices to unknown destinations.
SIEM Query:
source="apple_system_logs" AND (event="kernel_panic" OR event="memory_corruption")