CVE-2025-57631
📋 TL;DR
A critical SQL injection vulnerability in TDuckCloud v5.1 allows remote attackers to execute arbitrary SQL commands via the file upload module. This can lead to complete system compromise, data theft, or service disruption. All organizations using TDuckCloud v5.1 are affected.
💻 Affected Systems
- TDuckCloud
📦 What is this software?
Tduck by Tduckcloud
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise leading to data exfiltration, ransomware deployment, or complete system takeover
Likely Case
Database compromise allowing data theft, privilege escalation, and lateral movement within the network
If Mitigated
Limited impact with proper input validation, parameterized queries, and network segmentation in place
🎯 Exploit Status
Proof of concept available in GitHub issues, exploitation requires minimal technical skill
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: Not available
Restart Required: No
Instructions:
No official patch available. Check GitHub repository for updates and consider temporary workarounds.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement strict input validation and parameterized queries for all file upload functionality
Not applicable - requires code changes
WAF Rule Implementation
allDeploy web application firewall rules to block SQL injection patterns
WAF specific configuration required
🧯 If You Can't Patch
- Isolate TDuckCloud instance behind a reverse proxy with strict input filtering
- Disable or restrict access to the vulnerable file upload module if not essential
🔍 How to Verify
Check if Vulnerable:
Check if running TDuckCloud v5.1 and test file upload functionality with SQL injection payloads
Check Version:
Check application configuration or admin panel for version information
Verify Fix Applied:
Verify that parameterized queries are implemented and input validation prevents SQL injection
📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in application logs
- Multiple failed file upload attempts with SQL syntax
Network Indicators:
- Unusual database connections from web server
- SQL error messages in HTTP responses
SIEM Query:
source="tdduckcloud.log" AND ("SQL syntax" OR "UNION SELECT" OR "' OR '1'='1")