CVE-2023-39187
📋 TL;DR
This vulnerability in Solid Edge SE2023 allows attackers to execute arbitrary code by exploiting an out-of-bounds read when parsing malicious DFT files. Users who open specially crafted DFT files with vulnerable versions of Solid Edge are affected. The attack occurs within the current process context, potentially compromising the system.
💻 Affected Systems
- Solid Edge SE2023
📦 What is this software?
Solid Edge by Siemens
Solid Edge by Siemens
Solid Edge by Siemens
Solid Edge by Siemens
Solid Edge by Siemens
Solid Edge by Siemens
Solid Edge by Siemens
Solid Edge by Siemens
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise through remote code execution leading to data theft, ransomware deployment, or lateral movement within the network.
Likely Case
Local privilege escalation or system compromise when a user opens a malicious DFT file, potentially leading to data exfiltration or malware installation.
If Mitigated
Limited impact with proper application sandboxing, file validation, and user awareness preventing malicious file execution.
🎯 Exploit Status
Exploitation requires user interaction to open a malicious DFT file. No public exploit code is currently available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: V223.0 Update 7 or later
Vendor Advisory: https://cert-portal.siemens.com/productcert/pdf/ssa-811403.pdf
Restart Required: Yes
Instructions:
1. Download Solid Edge SE2023 V223.0 Update 7 or later from Siemens support portal
2. Run the installer with administrative privileges
3. Restart the system after installation completes
4. Verify the update was applied successfully
🔧 Temporary Workarounds
Block DFT file extensions
windowsPrevent DFT files from being opened by Solid Edge through file association changes or application control policies
User awareness training
allTrain users to only open DFT files from trusted sources and verify file integrity
🧯 If You Can't Patch
- Implement application whitelisting to prevent unauthorized Solid Edge execution
- Use network segmentation to isolate engineering workstations from critical systems
🔍 How to Verify
Check if Vulnerable:
Check Solid Edge version in Help > About. If version is earlier than V223.0 Update 7, the system is vulnerable.Check Version:
Not applicable - check via Solid Edge GUI Help > About menuVerify Fix Applied:
Verify Solid Edge version shows V223.0 Update 7 or later in Help > About menu.📡 Detection & Monitoring
Log Indicators:
- Solid Edge crash logs with memory access violations
- Unexpected process creation from Solid Edge
- Multiple failed DFT file parsing attempts
Network Indicators:
- Unusual outbound connections from engineering workstations
- DFT file downloads from untrusted sources
SIEM Query:
Process creation events where parent process is 'sedge.exe' followed by suspicious child processes