CVE-2025-24282

5.5 MEDIUM

📋 TL;DR

This CVE describes a library injection vulnerability in macOS that allows applications to bypass file system protections and modify restricted areas. It affects macOS systems before Sequoia 15.4. The vulnerability could enable malicious apps to tamper with system files or sensitive data.

💻 Affected Systems

Products:
  • macOS
Versions: Versions before macOS Sequoia 15.4
Operating Systems: macOS
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects macOS systems running vulnerable versions; requires malicious or compromised application execution.

📦 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 application could modify critical system files, install persistent malware, or compromise system integrity leading to complete system takeover.

🟠

Likely Case

Malware or compromised applications could modify user data, install backdoors, or tamper with application files to enable further attacks.

🟢

If Mitigated

With proper application sandboxing and security controls, impact would be limited to the specific compromised application's context.

🌐 Internet-Facing: LOW
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Requires user to execute a malicious application; no known public exploits at this time.

🛠️ 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

Application Sandboxing Enforcement

all

Ensure all applications run with appropriate sandboxing restrictions

Application Whitelisting

all

Restrict application execution to trusted, signed applications only

🧯 If You Can't Patch

  • Implement strict application control policies to prevent untrusted application execution
  • Use endpoint protection solutions that can detect and block library injection attempts

🔍 How to Verify

Check if Vulnerable:

Check macOS version in System Settings > General > About. If version is earlier than 15.4, system is vulnerable.

Check Version:

sw_vers

Verify Fix Applied:

Verify macOS version shows 15.4 or later in System Settings > General > About.

📡 Detection & Monitoring

Log Indicators:

  • Unusual library loading events
  • File modification attempts in protected directories
  • Application sandbox violation logs

Network Indicators:

  • None - this is a local privilege escalation vulnerability

SIEM Query:

source="macos" AND (event_type="library_injection" OR file_path="/System/*" OR file_path="/Library/*")

🔗 References

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