CVE-2025-31231

5.5 MEDIUM

📋 TL;DR

A permissions vulnerability in macOS allows applications to access sensitive location information without proper authorization. This affects macOS systems before version 15.4 (Sequoia). Users who haven't updated are vulnerable to location data exposure.

💻 Affected Systems

Products:
  • macOS
Versions: Versions before macOS Sequoia 15.4
Operating Systems: macOS
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects macOS systems; requires local app execution with some level of permissions.

📦 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...

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⚠️ Risk & Real-World Impact

🔴

Worst Case

Malicious app could continuously track user's precise location without consent, enabling physical surveillance or location-based attacks.

🟠

Likely Case

Legitimate but poorly secured apps could inadvertently leak location data to third parties through analytics or telemetry.

🟢

If Mitigated

With proper app vetting and permissions management, risk is limited to apps that have location permissions but shouldn't access certain sensitive location data.

🌐 Internet-Facing: LOW - This is a local app permission issue, not directly exploitable over network.
🏢 Internal Only: MEDIUM - Malicious or compromised local apps could exploit this to gather sensitive location information.

🎯 Exploit Status

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

Requires user to install/run a malicious or vulnerable application; not a remote code execution vulnerability.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: macOS Sequoia 15.4

Vendor Advisory: https://support.apple.com/en-us/122373

Restart Required: Yes

Instructions:

1. Open System Settings 2. Click General 3. Click Software Update 4. Install macOS Sequoia 15.4 update 5. Restart when prompted

🔧 Temporary Workarounds

Restrict App Permissions

all

Review and restrict location permissions for all applications

Open System Settings > Privacy & Security > Location Services

Use App Sandboxing

all

Only install apps from App Store or trusted developers with proper sandboxing

🧯 If You Can't Patch

  • Review and disable location permissions for all non-essential applications
  • Only install applications from trusted sources and verify they don't request unnecessary location access

🔍 How to Verify

Check if Vulnerable:

Check macOS version: If version is earlier than 15.4, system is vulnerable

Check Version:

sw_vers

Verify Fix Applied:

Verify macOS version is 15.4 or later after update

📡 Detection & Monitoring

Log Indicators:

  • Unusual location service access patterns in system logs
  • Apps accessing location data without user interaction

Network Indicators:

  • Outbound connections transmitting location coordinates or geolocation data

SIEM Query:

process:locationd AND event_type:permission_violation OR app:* AND action:location_access AND user_consent:false

🔗 References

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