CVE-2025-43315

5.5 MEDIUM

📋 TL;DR

This CVE describes a macOS vulnerability where applications could access sensitive user data without proper authorization. It affects macOS systems before Sonoma 14.8 and Sequoia 15.7. The issue was resolved by removing the vulnerable code in Apple's security updates.

💻 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 running affected versions are vulnerable. The vulnerability requires an application to be running on the system.

📦 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

Malicious applications could exfiltrate sensitive user data including passwords, personal documents, or authentication tokens, leading to data breaches or identity theft.

🟠

Likely Case

Malware or compromised applications could access user data they shouldn't have permission to read, potentially exposing personal information.

🟢

If Mitigated

With proper application sandboxing and security controls, the impact would be limited to data accessible within the application's normal permissions.

🌐 Internet-Facing: LOW
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires a malicious or compromised application to be installed and executed on the target system. No public exploit code has been disclosed.

🛠️ 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: Yes

Instructions:

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

🔧 Temporary Workarounds

Application Sandboxing Enforcement

macOS

Ensure all applications run with appropriate sandboxing restrictions to limit data access

🧯 If You Can't Patch

  • Restrict installation of untrusted applications through MDM or parental controls
  • Implement application allowlisting to prevent unauthorized software execution

🔍 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, the system is vulnerable.

Check Version:

sw_vers

Verify Fix Applied:

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

📡 Detection & Monitoring

Log Indicators:

  • Unusual application data access patterns in system logs
  • Security framework violations

Network Indicators:

  • Unexpected outbound data transfers from applications

SIEM Query:

source="macos" AND (event_type="file_access" OR event_type="process_access") AND user_data="sensitive"

🔗 References

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