CVE-2025-9421
📋 TL;DR
CVE-2025-9421 is a SQL injection vulnerability in itsourcecode Apartment Management System 1.0 that allows attackers to execute arbitrary SQL commands via the ID parameter in /complain/addcomplain.php. This affects all users running the vulnerable version of this apartment management software. Successful exploitation could lead to data theft, modification, or deletion.
💻 Affected Systems
- itsourcecode Apartment Management System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including sensitive tenant data, financial records, and system credentials, potentially leading to full system takeover.
Likely Case
Unauthorized access to tenant information, complaint records, and potentially administrative credentials stored in the database.
If Mitigated
Limited impact if proper input validation and parameterized queries are implemented, restricting SQL injection attempts.
🎯 Exploit Status
Exploit details are publicly available on GitHub, making this easily exploitable by attackers with basic SQL injection knowledge.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://itsourcecode.com/
Restart Required: No
Instructions:
No official patch available. Consider migrating to alternative software or implementing custom fixes with parameterized queries and input validation.
🔧 Temporary Workarounds
Web Application Firewall (WAF)
allDeploy a WAF with SQL injection protection rules to block malicious requests.
Input Validation Filter
allImplement server-side input validation to sanitize the ID parameter before processing.
🧯 If You Can't Patch
- Isolate the system from the internet and restrict access to internal networks only.
- Implement strict network segmentation and monitor all database queries for suspicious patterns.
🔍 How to Verify
Check if Vulnerable:
Test the /complain/addcomplain.php endpoint with SQL injection payloads in the ID parameter (e.g., ID=1' OR '1'='1).Check Version:
Check the software version in the admin panel or configuration files.Verify Fix Applied:
Verify that SQL injection attempts no longer succeed and that parameterized queries are implemented.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in application logs
- Multiple failed login attempts from single IP
- Requests to /complain/addcomplain.php with SQL keywords
Network Indicators:
- Unusual database connection patterns
- SQL error messages in HTTP responses
SIEM Query:
source="web_logs" AND uri="/complain/addcomplain.php" AND (query="*OR*" OR query="*UNION*" OR query="*SELECT*" OR query="*INSERT*")