CVE-2024-54506
📋 TL;DR
This critical vulnerability in macOS DCP firmware allows attackers to execute arbitrary code or cause system crashes through out-of-bounds memory access. It affects macOS systems before Sequoia 15.2 and could lead to complete system compromise. Attackers could potentially gain kernel-level privileges.
💻 Affected Systems
- macOS
📦 What is this software?
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 →⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with kernel-level privileges, allowing persistent backdoor installation, data theft, and system destruction.
Likely Case
System crashes (kernel panics) leading to denial of service, with potential for privilege escalation and limited code execution.
If Mitigated
No impact if patched; unpatched systems remain vulnerable to remote or local exploitation depending on attack vector.
🎯 Exploit Status
CVSS 9.8 indicates network-accessible, unauthenticated attack vector. No public exploit code confirmed as of analysis date.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: macOS Sequoia 15.2
Vendor Advisory: https://support.apple.com/en-us/121839
Restart Required: Yes
Instructions:
1. Open System Settings 2. Click General 3. Click Software Update 4. Install macOS Sequoia 15.2 update 5. Restart when prompted
🔧 Temporary Workarounds
Network Segmentation
allIsolate vulnerable macOS systems from untrusted networks to reduce attack surface
🧯 If You Can't Patch
- Disconnect vulnerable systems from internet and untrusted networks
- Implement strict application control to prevent unauthorized code execution
🔍 How to Verify
Check if Vulnerable:
Check macOS version: if earlier than Sequoia 15.2, system is vulnerableCheck Version:
sw_versVerify Fix Applied:
Verify macOS version is 15.2 or later in System Settings > General > About📡 Detection & Monitoring
Log Indicators:
- Kernel panics related to DCP
- Unexpected system restarts
- Unusual firmware access patterns
Network Indicators:
- Unexpected network connections from macOS systems
- Anomalous traffic to/from port 443 or other services
SIEM Query:
source="macos" AND (event="kernel_panic" OR process="dcp")