CVE-2025-57631

9.8 CRITICAL

📋 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

Products:
  • TDuckCloud
Versions: v5.1
Operating Systems: All platforms running TDuckCloud
Default Config Vulnerable: ⚠️ Yes
Notes: The vulnerability exists in the file upload module specifically

📦 What is this software?

⚠️ 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

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

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

all

Implement strict input validation and parameterized queries for all file upload functionality

Not applicable - requires code changes

WAF Rule Implementation

all

Deploy 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")

🔗 References

📤 Share & Export