CVE-2024-55193
📋 TL;DR
CVE-2024-55193 is a NULL pointer dereference vulnerability in OpenImageIO's string_view.h component that can cause segmentation faults. This allows attackers to crash applications or potentially execute arbitrary code by providing malicious input. Users of OpenImageIO v3.1.0.0dev are affected.
💻 Affected Systems
- OpenImageIO
📦 What is this software?
Openimageio by Openimageio
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete system compromise, data theft, or ransomware deployment.
Likely Case
Application crashes causing denial of service, potentially leading to data corruption in image processing pipelines.
If Mitigated
Controlled crash with minimal impact if proper input validation and sandboxing are implemented.
🎯 Exploit Status
Exploitation requires triggering the specific string_view.h parsing vulnerability with crafted input.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Update to stable release or later development version
Vendor Advisory: https://github.com/AcademySoftwareFoundation/OpenImageIO/issues/4551
Restart Required: Yes
Instructions:
1. Check current OpenImageIO version
2. If running v3.1.0.0dev, upgrade to stable release
3. Rebuild any applications using OpenImageIO
4. Restart affected services
🔧 Temporary Workarounds
Input validation wrapper
allImplement strict input validation for all image files processed by OpenImageIO
Sandbox execution
linuxRun OpenImageIO processes in isolated containers or sandboxes with limited privileges
docker run --read-only --cap-drop=ALL -v /input:/input:ro openimageio-app
🧯 If You Can't Patch
- Isolate OpenImageIO instances from critical systems and networks
- Implement strict network segmentation and monitor for crash events
🔍 How to Verify
Check if Vulnerable:
Check OpenImageIO version string for 'v3.1.0.0dev'Check Version:
oiiotool --version | grep -i versionVerify Fix Applied:
Verify version no longer contains 'v3.1.0.0dev' and test with known problematic inputs📡 Detection & Monitoring
Log Indicators:
- Segmentation fault errors
- OpenImageIO process crashes
- Core dumps in application directories
Network Indicators:
- Unusual image file uploads to processing endpoints
- Repeated connection attempts to image processing services
SIEM Query:
process_name:"oiiotool" AND (event_type:crash OR error_message:"segmentation fault")