CVE-2024-28171
📋 TL;DR
CVE-2024-28171 is a path traversal vulnerability that allows attackers to write files outside intended directories and overwrite existing system files. This affects industrial control systems and related software that improperly validate file paths. Organizations using vulnerable ICS/SCADA systems are at risk.
💻 Affected Systems
- Industrial control systems and SCADA software (specific products not detailed in provided references)
📦 What is this software?
Diaenergie by Deltaww
⚠️ Risk & Real-World Impact
Worst Case
Critical system files could be overwritten, leading to system compromise, data loss, or disruption of industrial operations.
Likely Case
Attackers could overwrite configuration files, install malware, or disrupt normal system functionality.
If Mitigated
With proper file permission restrictions and input validation, impact would be limited to non-critical directories.
🎯 Exploit Status
Path traversal attacks typically require minimal technical skill when exploit details are known.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check vendor-specific updates
Vendor Advisory: https://www.cisa.gov/news-events/ics-advisories/icsa-24-074-12
Restart Required: Yes
Instructions:
1. Identify affected products using vendor documentation. 2. Apply vendor-provided patches. 3. Restart affected systems. 4. Verify patch application.
🔧 Temporary Workarounds
Restrict file system permissions
linuxLimit write permissions to only necessary directories and files
chmod 755 /path/to/restricted/directories
chown root:root /critical/files
Implement input validation
allAdd path validation to prevent directory traversal sequences
🧯 If You Can't Patch
- Implement network segmentation to isolate vulnerable systems
- Deploy file integrity monitoring to detect unauthorized file changes
🔍 How to Verify
Check if Vulnerable:
Check system logs for path traversal attempts or unauthorized file writes. Review application file handling code.Check Version:
Check with vendor-specific version commands or package managersVerify Fix Applied:
Test file upload/write functionality with malicious path inputs to ensure proper validation.📡 Detection & Monitoring
Log Indicators:
- File write operations with '../' sequences
- Unauthorized file modifications in system directories
- Failed file access attempts outside expected paths
Network Indicators:
- Unusual file transfer patterns to vulnerable systems
- HTTP requests containing path traversal sequences
SIEM Query:
source="application_logs" AND ("../" OR "..\" OR "%2e%2e%2f") AND action="write"