CVE-2023-28215
📋 TL;DR
This CVE describes a buffer overflow vulnerability in macOS that allows malicious applications to cause system crashes or write to kernel memory. It affects macOS systems running versions before Ventura 13.3. The vulnerability could lead to denial of service or potential privilege escalation.
💻 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
Kernel memory corruption leading to system compromise, privilege escalation to kernel level, or persistent malware installation.
Likely Case
Application-induced system crashes (kernel panics) causing denial of service and potential data loss from unsaved work.
If Mitigated
Limited to denial of service if proper application sandboxing and least privilege principles are enforced.
🎯 Exploit Status
Requires local application execution. No public exploit code available at time of analysis.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: macOS Ventura 13.3
Vendor Advisory: https://support.apple.com/en-us/HT213670
Restart Required: Yes
Instructions:
1. Open System Settings 2. Click General 3. Click Software Update 4. Install macOS Ventura 13.3 or later 5. Restart when prompted
🔧 Temporary Workarounds
Application Restriction
allRestrict installation and execution of untrusted applications using MDM or parental controls
🧯 If You Can't Patch
- Implement strict application allowlisting to prevent execution of untrusted applications
- Enforce least privilege principles and application sandboxing where possible
🔍 How to Verify
Check if Vulnerable:
Check macOS version: If running macOS Ventura and version is less than 13.3, system is vulnerableCheck Version:
sw_versVerify Fix Applied:
Verify macOS version is 13.3 or higher in System Settings > General > About📡 Detection & Monitoring
Log Indicators:
- Kernel panic logs in /Library/Logs/DiagnosticReports
- Unexpected application crashes with memory access errors
Network Indicators:
- No network indicators - local exploitation only
SIEM Query:
source="macos" AND (event="kernel_panic" OR event="panic" OR message="*buffer overflow*")