CVE-2025-43332

5.2 MEDIUM

📋 TL;DR

This CVE describes a file quarantine bypass vulnerability in macOS that allows applications to escape their sandbox restrictions. It affects macOS systems before Sonoma 14.8 and Sequoia 15.7. The vulnerability could enable malicious apps to access restricted system resources.

💻 Affected Systems

Products:
  • macOS
Versions: Versions before macOS Sonoma 14.8 and macOS Sequoia 15.7
Operating Systems: macOS
Default Config Vulnerable: ⚠️ Yes
Notes: All default macOS installations with affected versions are vulnerable. Requires user to run an application.

📦 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 →

⚠️ Risk & Real-World Impact

🔴

Worst Case

A malicious application could completely escape sandbox restrictions, access sensitive user data, modify system files, or install persistent malware.

🟠

Likely Case

Targeted attacks using specially crafted applications could access files outside their designated sandbox, potentially stealing documents or credentials.

🟢

If Mitigated

With proper application vetting and user caution, risk is limited to untrusted applications that users intentionally install and run.

🌐 Internet-Facing: LOW - This requires local application execution, not directly exploitable over network.
🏢 Internal Only: MEDIUM - Requires user to run malicious application, but could be used in targeted attacks or via social engineering.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Requires user interaction to run malicious application. No public exploit code identified in references.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: macOS Sonoma 14.8 or macOS Sequoia 15.7

Vendor Advisory: https://support.apple.com/en-us/125111

Restart Required: No

Instructions:

1. Open System Settings 2. Click General 3. Click Software Update 4. Install available updates 5. Restart if prompted

🔧 Temporary Workarounds

Restrict Application Sources

macOS

Only allow applications from App Store and identified developers in Security & Privacy settings

Enable Gatekeeper

macOS

Ensure Gatekeeper is enabled to verify applications before running

sudo spctl --master-enable

🧯 If You Can't Patch

  • Only install applications from trusted sources and the App Store
  • Use application allowlisting to restrict which applications can run

🔍 How to Verify

Check if Vulnerable:

Check macOS version in System Settings > General > About. If version is earlier than Sonoma 14.8 or Sequoia 15.7, system is vulnerable.

Check Version:

sw_vers

Verify Fix Applied:

Verify macOS version shows Sonoma 14.8 or Sequoia 15.7 or later in System Settings > General > About.

📡 Detection & Monitoring

Log Indicators:

  • Unusual application behavior in Console logs
  • Applications accessing files outside expected sandbox paths

Network Indicators:

  • None - local vulnerability only

SIEM Query:

source="macos" AND (event="sandbox_violation" OR process_access="*outside_sandbox*")

🔗 References

📤 Share & Export