CVE-2021-44859
📋 TL;DR
An out-of-bounds read vulnerability in Open Design Alliance Drawings SDK allows attackers to execute arbitrary code by providing a malicious TGA file. This affects applications using the SDK to process TGA files before version 2022.12. The vulnerability enables remote code execution in the context of the application processing the file.
💻 Affected Systems
- Open Design Alliance Drawings SDK
📦 What is this software?
Drawings Sdk by Opendesign
⚠️ Risk & Real-World Impact
Worst Case
Full remote code execution leading to complete system compromise, data theft, or ransomware deployment.
Likely Case
Application crash leading to denial of service, with potential for code execution if exploit is refined.
If Mitigated
Application crash without code execution if memory protections are enabled.
🎯 Exploit Status
Exploitation requires user interaction to open a malicious TGA file. No public exploit code is known.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2022.12 or later
Vendor Advisory: https://www.opendesign.com/security-advisories
Restart Required: Yes
Instructions:
1. Download ODA Drawings SDK version 2022.12 or later from vendor portal. 2. Replace existing SDK installation. 3. Rebuild and redeploy applications using the SDK. 4. Restart affected services.
🔧 Temporary Workarounds
Block TGA file processing
allDisable TGA file support in applications using the SDK
File type restrictions
allImplement file type filtering to block TGA files at network perimeter or application level
🧯 If You Can't Patch
- Implement application sandboxing to limit impact of potential code execution
- Use endpoint protection with memory corruption detection capabilities
🔍 How to Verify
Check if Vulnerable:
Check SDK version in application dependencies or vendor documentationCheck Version:
Check application documentation or contact vendor for version verification methodVerify Fix Applied:
Verify SDK version is 2022.12 or later and test TGA file processing functionality📡 Detection & Monitoring
Log Indicators:
- Application crashes when processing TGA files
- Memory access violation errors in application logs
Network Indicators:
- Unusual TGA file transfers to design/CAD systems
SIEM Query:
source="application_logs" AND ("access violation" OR "segmentation fault") AND file_extension="tga"