CVE-2024-54522
📋 TL;DR
This vulnerability allows malicious applications to corrupt coprocessor memory on Apple devices due to insufficient bounds checking. It affects macOS, iOS, iPadOS, watchOS, and tvOS systems running vulnerable versions. Successful exploitation could lead to arbitrary code execution or system instability.
💻 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
Full system compromise with kernel-level privileges, allowing attackers to execute arbitrary code, steal sensitive data, or create persistent backdoors.
Likely Case
Application crashes, system instability, or limited data corruption within the affected app's context.
If Mitigated
Minimal impact with proper application sandboxing and security controls limiting memory access.
🎯 Exploit Status
Exploitation requires a malicious application to be installed and executed on the target device. No public exploit code is currently available.
🛠️ 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 available update. 4. Restart the device when prompted.
🔧 Temporary Workarounds
Application Restriction
allRestrict installation of untrusted applications through MDM or parental controls
🧯 If You Can't Patch
- Implement strict application allowlisting policies
- Deploy network segmentation to isolate vulnerable devices
🔍 How to Verify
Check if Vulnerable:
Check the operating system version against affected versions listed in the advisory
Check Version:
On macOS: sw_vers -productVersion. On iOS/iPadOS: Settings > General > About > Version
Verify Fix Applied:
Verify the operating system version matches or exceeds the patched versions
📡 Detection & Monitoring
Log Indicators:
- Unexpected application crashes
- Kernel panic logs
- Memory access violation errors
Network Indicators:
- Unusual outbound connections from Apple devices
- Traffic to known malicious domains
SIEM Query:
source="apple_system_logs" AND (event="kernel_panic" OR event="memory_corruption")