CVE-2022-41172
📋 TL;DR
This vulnerability allows remote code execution when a user opens a malicious AutoCAD DXF file in SAP 3D Visual Enterprise Author. Attackers can exploit improper memory management to trigger stack-based buffer overflows or use dangling pointers. Organizations using SAP 3D Visual Enterprise Author version 9 are affected.
💻 Affected Systems
- SAP 3D Visual Enterprise Author
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise with attacker gaining the same privileges as the user running the application, potentially leading to data theft, lateral movement, or ransomware deployment.
Likely Case
Malware installation or data exfiltration when users open malicious DXF files from phishing emails or compromised websites.
If Mitigated
No impact if users don't open untrusted DXF files or if the application is patched.
🎯 Exploit Status
Exploitation requires user interaction to open a malicious file. The vulnerability involves memory corruption which requires careful crafting of exploit payloads.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Apply SAP Note 3245929
Vendor Advisory: https://launchpad.support.sap.com/#/notes/3245929
Restart Required: Yes
Instructions:
1. Download the patch from SAP Note 3245929. 2. Apply the patch according to SAP's instructions. 3. Restart the application and any related services.
🔧 Temporary Workarounds
Restrict DXF file handling
windowsConfigure the system to open DXF files with alternative software or block DXF files from untrusted sources.
Application control
windowsUse application whitelisting to prevent execution of TeighaTranslator.exe from untrusted locations.
🧯 If You Can't Patch
- Implement strict email filtering to block DXF attachments from external sources.
- Educate users to never open DXF files from untrusted sources and use alternative CAD software for viewing.
🔍 How to Verify
Check if Vulnerable:
Check if SAP 3D Visual Enterprise Author version 9 is installed without SAP Note 3245929 applied.Check Version:
Check application version via Help > About in SAP 3D Visual Enterprise Author interface.Verify Fix Applied:
Verify that SAP Note 3245929 is applied and check the application version in About dialog.📡 Detection & Monitoring
Log Indicators:
- Process creation events for TeighaTranslator.exe with suspicious parent processes
- Application crash logs from SAP 3D Visual Enterprise Author
Network Indicators:
- Downloads of DXF files from suspicious sources followed by application execution
SIEM Query:
Process Creation where Image contains 'TeighaTranslator.exe' AND CommandLine contains '.dxf'