CVE-2024-44233

5.5 MEDIUM

📋 TL;DR

This vulnerability allows an attacker to cause a denial-of-service (system crash) by tricking a user into opening a maliciously crafted video file. It affects multiple Apple operating systems including macOS, iOS, iPadOS, visionOS, watchOS, and tvOS. The issue stems from improper bounds checking when parsing video files.

💻 Affected Systems

Products:
  • macOS
  • iOS
  • iPadOS
  • visionOS
  • watchOS
  • tvOS
Versions: Versions prior to macOS Sonoma 14.7.1, macOS Ventura 13.7.1, visionOS 2.1, watchOS 11.1, tvOS 18.1, iOS 17.7.1, iPadOS 17.7.1, iOS 18.1, and iPadOS 18.1
Operating Systems: Apple operating systems
Default Config Vulnerable: ⚠️ Yes
Notes: All default configurations of affected Apple operating systems are vulnerable. The vulnerability is in the video parsing component.

📦 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

Complete system crash requiring reboot, potentially leading to data loss or service disruption if critical systems are affected.

🟠

Likely Case

Application or system crash when processing malicious video files, causing temporary disruption.

🟢

If Mitigated

No impact if systems are patched or if malicious video files are prevented from reaching vulnerable systems.

🌐 Internet-Facing: MEDIUM - Attackers could embed malicious video in websites or emails, but requires user interaction to open the file.
🏢 Internal Only: LOW - Requires local file access or user interaction with malicious content.

🎯 Exploit Status

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

Exploitation requires user interaction to open a malicious video file. No public exploit code has been disclosed as of the advisory date.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: macOS Sonoma 14.7.1, macOS Ventura 13.7.1, visionOS 2.1, watchOS 11.1, tvOS 18.1, iOS 17.7.1, iPadOS 17.7.1, iOS 18.1, iPadOS 18.1

Vendor Advisory: https://support.apple.com/en-us/121563

Restart Required: Yes

Instructions:

1. Go to Settings > General > Software Update on iOS/iPadOS/watchOS/tvOS/visionOS. 2. Go to System Settings > General > Software Update on macOS. 3. Download and install the latest update. 4. Restart the device when prompted.

🔧 Temporary Workarounds

Restrict video file sources

all

Only open video files from trusted sources and avoid downloading video files from unknown websites or email attachments.

🧯 If You Can't Patch

  • Implement application whitelisting to prevent execution of video players from untrusted locations.
  • Use network filtering to block video file downloads from untrusted sources and educate users about the risks of opening unknown video files.

🔍 How to Verify

Check if Vulnerable:

Check the operating system version against the affected versions listed in the advisory.

Check Version:

On macOS: sw_vers -productVersion. On iOS/iPadOS: Settings > General > About > Version. On tvOS: Settings > General > About > Version. On watchOS: Settings > General > About > Version.

Verify Fix Applied:

Verify that the operating system version matches or exceeds the patched versions listed in the fix information.

📡 Detection & Monitoring

Log Indicators:

  • System crash logs (panic logs) related to video processing
  • Application crash reports from media players

Network Indicators:

  • Unusual downloads of video files from untrusted sources
  • Network traffic patterns indicating video file transfers to vulnerable systems

SIEM Query:

Search for system crash events with process names containing 'video', 'media', or related terms on Apple devices.

🔗 References

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