CVE-2025-24185

5.5 MEDIUM

📋 TL;DR

This CVE describes an out-of-bounds write vulnerability in macOS file parsing that could allow an attacker to cause unexpected application termination. The vulnerability affects macOS Ventura, Sonoma, and Sequoia users who open maliciously crafted files. Apple has addressed this with improved input validation in security updates.

💻 Affected Systems

Products:
  • macOS
Versions: macOS Ventura before 13.7.3, macOS Sonoma before 14.7.3, macOS Sequoia before 15.3
Operating Systems: macOS
Default Config Vulnerable: ⚠️ Yes
Notes: All default configurations of affected macOS versions are vulnerable when parsing malicious files.

📦 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 →

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

Potential arbitrary code execution leading to full system compromise if combined with other vulnerabilities, though Apple's description suggests only app termination.

🟠

Likely Case

Denial of service through application crashes when parsing malicious files.

🟢

If Mitigated

No impact if systems are patched to the fixed versions.

🌐 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 has been disclosed.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: macOS Sequoia 15.3, macOS Ventura 13.7.3, macOS Sonoma 14.7.3

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

Restart Required: Yes

Instructions:

1. Open System Settings > General > Software Update. 2. Install available security updates. 3. Restart your Mac when prompted.

🔧 Temporary Workarounds

Restrict file types

all

Configure applications to only open trusted file types from verified sources

User education

all

Train users to avoid opening files from untrusted sources

🧯 If You Can't Patch

  • Implement application whitelisting to restrict which applications can open files
  • Use network segmentation to isolate vulnerable systems from untrusted networks

🔍 How to Verify

Check if Vulnerable:

Check macOS version in System Settings > General > About. If version is Ventura <13.7.3, Sonoma <14.7.3, or Sequoia <15.3, system is vulnerable.

Check Version:

sw_vers

Verify Fix Applied:

Verify macOS version is Ventura 13.7.3, Sonoma 14.7.3, or Sequoia 15.3 or later.

📡 Detection & Monitoring

Log Indicators:

  • Application crash logs related to file parsing
  • Console logs showing unexpected process termination

Network Indicators:

  • File downloads from untrusted sources followed by application crashes

SIEM Query:

source="macos" AND (event="process_crash" OR event="application_terminated") AND process_name IN ("Preview", "Finder", "TextEdit")

🔗 References

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