CVE-2025-11104
📋 TL;DR
This SQL injection vulnerability in CodeAstro Electricity Billing System 1.0 allows attackers to manipulate database queries through the uid parameter in /admin/bill.php. Attackers can potentially access, modify, or delete sensitive billing data. All systems running the vulnerable version are affected.
💻 Affected Systems
- CodeAstro Electricity Billing System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, data manipulation, or system takeover via SQL injection to execute arbitrary commands.
Likely Case
Unauthorized access to sensitive billing data, customer information, and potential privilege escalation within the application.
If Mitigated
Limited impact with proper input validation and database permissions restricting damage to non-critical data.
🎯 Exploit Status
Exploit details are publicly available. Attack requires access to the admin interface but not necessarily authentication if other vulnerabilities exist.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not specified
Vendor Advisory: https://codeastro.com/
Restart Required: No
Instructions:
1. Check vendor website for security updates. 2. Apply any available patches. 3. Validate input sanitization in /admin/bill.php.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement parameterized queries or input validation for the uid parameter in bill.php
Modify /admin/bill.php to use prepared statements with parameterized queries
Web Application Firewall Rules
allBlock SQL injection patterns targeting the uid parameter
Configure WAF to block requests containing SQL keywords in uid parameter
🧯 If You Can't Patch
- Restrict access to /admin/bill.php using network ACLs or authentication requirements
- Implement database user with minimal privileges for the application
🔍 How to Verify
Check if Vulnerable:
Test the uid parameter in /admin/bill.php with SQL injection payloads like ' OR '1'='1Check Version:
Check application version in admin panel or configuration filesVerify Fix Applied:
Verify that SQL injection attempts no longer succeed and return proper error handling📡 Detection & Monitoring
Log Indicators:
- Unusual SQL errors in application logs
- Multiple failed login attempts followed by bill.php access
- UID parameter values containing SQL keywords
Network Indicators:
- HTTP requests to /admin/bill.php with SQL injection patterns in parameters
SIEM Query:
source="web_logs" AND uri="/admin/bill.php" AND (param="uid" AND value MATCHES "(?i)(union|select|insert|update|delete|drop|or|and)")