CVE-2023-32364
📋 TL;DR
This CVE describes a sandbox escape vulnerability in macOS where a sandboxed process can bypass security restrictions. It affects macOS systems running versions before Ventura 13.5, potentially allowing malicious applications to access resources they shouldn't.
💻 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 →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 →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
A malicious sandboxed application could escape its sandbox and access sensitive system resources, user data, or execute arbitrary code with elevated privileges.
Likely Case
Malicious applications distributed through app stores or other channels could bypass macOS sandbox protections to access files, network resources, or system functions they're normally restricted from.
If Mitigated
With proper application vetting and user caution about installing untrusted software, the risk is reduced as exploitation requires user interaction to run malicious code.
🎯 Exploit Status
Exploitation requires a malicious sandboxed application to be executed on the target system. Apple has not disclosed technical details to prevent exploitation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: macOS Ventura 13.5
Vendor Advisory: https://support.apple.com/en-us/HT213843
Restart Required: Yes
Instructions:
1. Open System Settings 2. Click General 3. Click Software Update 4. Install macOS Ventura 13.5 or later 5. Restart when prompted
🔧 Temporary Workarounds
Restrict application installation
macosOnly allow installation of applications from trusted sources like the Mac App Store
sudo spctl --master-enable
sudo spctl --enable --label "Mac App Store"
🧯 If You Can't Patch
- Implement application allowlisting to prevent execution of untrusted applications
- Use endpoint detection and response (EDR) tools to monitor for sandbox escape attempts
🔍 How to Verify
Check if Vulnerable:
Check macOS version: If running macOS Ventura and version is less than 13.5, system is vulnerableCheck Version:
sw_vers -productVersionVerify Fix Applied:
Verify macOS version is 13.5 or higher after update📡 Detection & Monitoring
Log Indicators:
- Unusual sandbox violation logs
- Applications attempting to access resources outside their sandbox
Network Indicators:
- None specific - local privilege escalation
SIEM Query:
source="macos" AND (event="sandbox_violation" OR process_access="unauthorized")