CVE-2022-39808
📋 TL;DR
CVE-2022-39808 is a memory corruption vulnerability in SAP 3D Visual Enterprise Author that allows remote code execution when a user opens a malicious Wavefront Object (.obj) file. Attackers can exploit improper memory management to trigger stack-based buffer overflows or use dangling pointers. This affects users of SAP 3D Visual Enterprise Author version 9 who open untrusted .obj files.
💻 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, ransomware deployment, or lateral movement within the network.
Likely Case
Malicious code execution in the context of the current user, allowing file system access, credential harvesting, and installation of additional malware.
If Mitigated
Limited impact if proper application whitelisting and file validation are implemented, potentially resulting in application crash only.
🎯 Exploit Status
Exploitation requires user interaction to open malicious file. No public exploit code has been identified, but the vulnerability is well-documented in security advisories.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Apply SAP Security Note 3245929
Vendor Advisory: https://launchpad.support.sap.com/#/notes/3245929
Restart Required: Yes
Instructions:
1. Download the patch from SAP Support Portal using note 3245929. 2. Apply the patch according to SAP's installation instructions. 3. Restart the system to ensure changes take effect.
🔧 Temporary Workarounds
File Type Association Removal
windowsRemove .obj file association with SAP 3D Visual Enterprise Author to prevent automatic opening
Control Panel > Default Programs > Set Associations > Remove .obj association with ObjTranslator.exe
Application Control
windowsUse application whitelisting to prevent execution of ObjTranslator.exe
Using Windows AppLocker or similar: Create rule to block ObjTranslator.exe
🧯 If You Can't Patch
- Implement strict file validation for .obj files before opening in SAP 3D Visual Enterprise Author
- Use sandboxed environments or virtual machines for processing untrusted .obj files
🔍 How to Verify
Check if Vulnerable:
Check if SAP 3D Visual Enterprise Author version 9 is installed and if Security Note 3245929 has been applied
Check Version:
Check application properties or SAP system information for version details
Verify Fix Applied:
Verify that Security Note 3245929 is listed as applied in SAP system or check application version after patch
📡 Detection & Monitoring
Log Indicators:
- Application crashes of ObjTranslator.exe
- Unusual process creation from ObjTranslator.exe
- Multiple failed attempts to open .obj files
Network Indicators:
- Unusual outbound connections from systems running SAP 3D Visual Enterprise Author
- File downloads of .obj files from untrusted sources
SIEM Query:
Process Creation where Image contains 'ObjTranslator.exe' AND CommandLine contains '.obj'