CVE-2024-27812
📋 TL;DR
A denial-of-service vulnerability in visionOS file handling protocol allows attackers to crash devices by processing malicious web content. This affects visionOS devices before version 1.2. Users visiting compromised websites or opening malicious content could experience system instability.
💻 Affected Systems
- Apple Vision Pro
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete device crash requiring reboot, potential data loss if system becomes unresponsive during critical operations.
Likely Case
Temporary application or system instability when processing malicious web content, requiring user intervention to restore functionality.
If Mitigated
Minimal impact with proper web content filtering and updated systems, potentially causing only temporary performance degradation.
🎯 Exploit Status
Exploitation requires user to process malicious web content, but no authentication is needed once content is loaded.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: visionOS 1.2
Vendor Advisory: https://support.apple.com/en-us/HT214108
Restart Required: Yes
Instructions:
1. Open Settings app on Vision Pro. 2. Navigate to General > Software Update. 3. Download and install visionOS 1.2. 4. Restart device when prompted.
🔧 Temporary Workarounds
Web Content Filtering
allImplement web filtering to block potentially malicious content and restrict access to untrusted websites.
Browser Security Settings
allConfigure browsers to disable automatic content processing and enable strict security settings.
🧯 If You Can't Patch
- Implement network-level web content filtering and URL reputation services
- Restrict web browsing to trusted sites only and disable automatic content loading
🔍 How to Verify
Check if Vulnerable:
Check visionOS version in Settings > General > About. If version is below 1.2, device is vulnerable.Check Version:
Not applicable - check via device Settings interfaceVerify Fix Applied:
Confirm visionOS version is 1.2 or higher in Settings > General > About.📡 Detection & Monitoring
Log Indicators:
- Unexpected application crashes when processing web content
- System logs showing file handling errors
Network Indicators:
- Requests to known malicious domains delivering web content
- Unusual patterns in web traffic to visionOS devices
SIEM Query:
source="visionos" AND (event="crash" OR event="error") AND process="webcontent"