CVE-2025-40624
📋 TL;DR
An unauthenticated SQL injection vulnerability in TCMAN's GIM v11 allows attackers to execute arbitrary SQL commands through the 'User' and 'email' parameters of the 'updatePassword' endpoint. This enables complete database compromise including data theft, modification, and deletion. All systems running the vulnerable software are affected.
💻 Affected Systems
- TCMAN GIM
📦 What is this software?
Gim by Tcman
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data destruction, credential theft, privilege escalation, and potential lateral movement to other systems.
Likely Case
Data exfiltration of sensitive information, credential harvesting, and unauthorized data modification.
If Mitigated
Limited impact if proper input validation and WAF rules are in place, though exploitation attempts may still occur.
🎯 Exploit Status
SQL injection vulnerabilities are commonly weaponized and this one requires no authentication, making exploitation straightforward.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-tcmans-gim
Restart Required: No
Instructions:
1. Monitor vendor website for security updates. 2. Apply patch when available. 3. Test in non-production environment first.
🔧 Temporary Workarounds
Web Application Firewall Rules
allImplement WAF rules to block SQL injection patterns targeting the updatePassword endpoint parameters.
Input Validation
allAdd server-side input validation for User and email parameters to reject suspicious characters.
🧯 If You Can't Patch
- Isolate the vulnerable system from internet access and restrict internal network access.
- Implement strict network segmentation and monitor all traffic to/from the affected system.
🔍 How to Verify
Check if Vulnerable:
Test the updatePassword endpoint with SQL injection payloads in User and email parameters.Check Version:
Check application version in admin interface or configuration files.Verify Fix Applied:
Retest with SQL injection payloads after applying mitigations to confirm they are blocked.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL error messages in application logs
- Multiple failed login attempts with SQL patterns
- Unexpected database queries from web application
Network Indicators:
- HTTP requests to updatePassword endpoint with SQL keywords in parameters
- Unusual database traffic patterns
SIEM Query:
source="web_logs" AND (uri="*updatePassword*" AND (param="*User*" OR param="*email*") AND (content="*SELECT*" OR content="*UNION*" OR content="*OR 1=1*"))