CVE-2025-24112

5.5 MEDIUM

📋 TL;DR

A vulnerability in macOS file parsing can cause unexpected application termination when processing malicious files. This affects users running macOS versions before Sequoia 15.3 or Sonoma 14.7.3. The issue could be triggered by opening specially crafted files.

💻 Affected Systems

Products:
  • macOS
Versions: macOS versions before Sequoia 15.3 and Sonoma 14.7.3
Operating Systems: macOS
Default Config Vulnerable: ⚠️ Yes
Notes: All default configurations of affected macOS versions are vulnerable. No special configuration required for exploitation.

📦 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

Denial of service through application crashes, potentially leading to data loss or service disruption if critical applications are affected.

🟠

Likely Case

Application crashes when processing malicious files, causing temporary disruption to user workflows.

🟢

If Mitigated

Minimal impact with proper patching and user awareness about opening untrusted files.

🌐 Internet-Facing: LOW - Requires user interaction to open malicious files, not directly exploitable over network.
🏢 Internal Only: MEDIUM - Internal users could be targeted with malicious files via email or shared drives.

🎯 Exploit Status

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

Exploitation requires user interaction to open malicious files. No public exploit code identified in references.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: macOS Sequoia 15.3 or macOS Sonoma 14.7.3

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 available updates 5. Restart when prompted

🔧 Temporary Workarounds

Avoid untrusted files

all

Do not open files from untrusted sources until systems are patched

🧯 If You Can't Patch

  • Implement application whitelisting to restrict which applications can open files
  • Use endpoint protection with file scanning capabilities

🔍 How to Verify

Check if Vulnerable:

Check macOS version in System Settings > General > About. If version is earlier than Sequoia 15.3 or Sonoma 14.7.3, system is vulnerable.

Check Version:

sw_vers

Verify Fix Applied:

Verify macOS version shows Sequoia 15.3 or Sonoma 14.7.3 or later in System Settings > General > About.

📡 Detection & Monitoring

Log Indicators:

  • Application crash logs showing unexpected termination
  • Console logs with application crash reports

Network Indicators:

  • File downloads followed by application crashes

SIEM Query:

source="macOS" AND (event="crash" OR event="termination") AND process_name IN ["affected_applications"]

🔗 References

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