CVE-2025-24087

5.5 MEDIUM

📋 TL;DR

This CVE describes a macOS vulnerability where applications could bypass permission checks to access protected user data. It affects macOS systems before Sequoia 15.3. The issue was addressed through improved permission validation mechanisms.

💻 Affected Systems

Products:
  • macOS
Versions: Versions before macOS Sequoia 15.3
Operating Systems: macOS
Default Config Vulnerable: ⚠️ Yes
Notes: Affects standard macOS installations. Requires application execution capability.

📦 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

Malicious applications could access sensitive user data including documents, photos, contacts, or other protected information without user consent.

🟠

Likely Case

Malware or compromised applications could exfiltrate user data they shouldn't have access to, potentially leading to data theft or privacy violations.

🟢

If Mitigated

With proper application sandboxing and user permission controls, the impact would be limited to specific data types the app already has partial access to.

🌐 Internet-Facing: LOW - This requires local application execution, not directly exploitable over network.
🏢 Internal Only: MEDIUM - Requires user to install/run malicious applications, but could be exploited through social engineering or compromised legitimate apps.

🎯 Exploit Status

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

Requires malicious application to be installed and executed on target system. No public exploit details available.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: macOS Sequoia 15.3

Vendor Advisory: https://support.apple.com/en-us/122068

Restart Required: Yes

Instructions:

1. Open System Settings 2. Click General 3. Click Software Update 4. Install macOS Sequoia 15.3 update 5. Restart when prompted

🔧 Temporary Workarounds

Application Sandbox Enforcement

all

Ensure all applications run with proper sandboxing and minimal required permissions

Application Source Control

all

Only install applications from trusted sources (App Store or verified developers)

🧯 If You Can't Patch

  • Restrict application installation to App Store only via System Settings > Privacy & Security
  • Implement application allowlisting to control which applications can run on the system

🔍 How to Verify

Check if Vulnerable:

Check macOS version: If version is earlier than 15.3, system is vulnerable

Check Version:

sw_vers

Verify Fix Applied:

Verify macOS version is 15.3 or later in System Settings > General > About

📡 Detection & Monitoring

Log Indicators:

  • Unusual file access patterns by applications
  • Permission denial logs followed by successful access

Network Indicators:

  • Unexpected outbound data transfers from applications

SIEM Query:

source="macos" (event="file_access" OR event="permission_denied") app NOT IN allowed_apps_list

🔗 References

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