CVE-2025-8924 Overview
A SQL Injection vulnerability has been identified in Campcodes Online Water Billing System version 1.0. This vulnerability affects the /viewbill.php file, where improper handling of the ID parameter allows attackers to inject malicious SQL queries. The attack can be initiated remotely without authentication, potentially compromising the integrity and confidentiality of the billing system's database.
Critical Impact
Remote attackers can exploit this SQL injection vulnerability to manipulate database queries, potentially accessing sensitive customer billing information, modifying records, or extracting confidential data from the water billing system.
Affected Products
- Campcodes Online Water Billing System 1.0
- Web applications using the vulnerable /viewbill.php endpoint
- Systems with network-accessible deployments of the billing application
Discovery Timeline
- 2025-08-13 - CVE-2025-8924 published to NVD
- 2025-08-14 - Last updated in NVD database
Technical Details for CVE-2025-8924
Vulnerability Analysis
This SQL Injection vulnerability exists in the /viewbill.php file of the Campcodes Online Water Billing System. The application fails to properly sanitize user-supplied input passed through the ID parameter before incorporating it into SQL queries. This lack of input validation allows attackers to inject arbitrary SQL commands that are then executed by the database server.
The vulnerability can be exploited remotely without requiring authentication, making it accessible to any attacker with network access to the application. Successful exploitation could lead to unauthorized access to the billing database, data exfiltration, data modification, or potential further compromise of the underlying system. Additional technical information is available in the GitHub CVE Issue Tracker and the VulDB Resource #319883.
Root Cause
The root cause of this vulnerability is improper input validation (CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component). The application directly incorporates user-controlled input from the ID parameter into SQL queries without proper sanitization or parameterization. This allows specially crafted input containing SQL syntax to alter the intended query logic.
Attack Vector
The attack vector is network-based, requiring no authentication or user interaction. An attacker can craft malicious HTTP requests to the /viewbill.php endpoint with a manipulated ID parameter containing SQL injection payloads. The vulnerability allows for various SQL injection techniques including union-based, error-based, and blind SQL injection attacks.
The exploit has been publicly disclosed, and detailed information regarding the attack methodology can be found in the referenced security advisories at VulDB CTI ID #319883.
Detection Methods for CVE-2025-8924
Indicators of Compromise
- Unusual or malformed requests to /viewbill.php containing SQL metacharacters such as single quotes, double dashes, or UNION keywords in the ID parameter
- Database error messages appearing in application logs or web responses indicating SQL syntax errors
- Unexpected database queries or access patterns in database audit logs
- Evidence of data exfiltration attempts or unauthorized data access in system logs
Detection Strategies
- Implement Web Application Firewall (WAF) rules to detect and block SQL injection patterns targeting the ID parameter
- Monitor HTTP request logs for requests to /viewbill.php containing suspicious characters or SQL keywords
- Enable database query logging and alert on queries with unusual patterns or syntax
- Deploy intrusion detection systems (IDS) with SQL injection signature detection capabilities
Monitoring Recommendations
- Configure real-time alerting for any requests to /viewbill.php containing SQL injection indicators
- Monitor database connection logs for unusual query volumes or query patterns from the web application
- Implement application-level logging to capture all parameter values passed to the vulnerable endpoint
- Review access logs regularly for reconnaissance activity targeting the billing system
How to Mitigate CVE-2025-8924
Immediate Actions Required
- Restrict network access to the Online Water Billing System to trusted IP addresses only until a patch is applied
- Implement input validation and parameterized queries for the ID parameter in /viewbill.php
- Deploy a Web Application Firewall (WAF) with SQL injection protection rules in front of the application
- Consider taking the application offline if it contains sensitive data and cannot be adequately protected
Patch Information
No official vendor patch has been released at the time of publication. Organizations using Campcodes Online Water Billing System 1.0 should contact the vendor at Camp Codes for remediation guidance and monitor the VulDB Submission #631543 for updates on patch availability.
Workarounds
- Implement parameterized queries or prepared statements for all database interactions involving the ID parameter
- Apply strict input validation to accept only numeric values for the ID parameter
- Deploy network-level access controls to limit exposure of the vulnerable endpoint
- Consider implementing a reverse proxy with SQL injection filtering capabilities as an interim measure
# Example Apache ModSecurity rule to block SQL injection attempts
SecRule ARGS:ID "@rx (?i)(\b(union|select|insert|update|delete|drop|create|alter|truncate)\b|--|;|'|\")" \
"id:1001,phase:2,deny,status:403,msg:'SQL Injection attempt blocked on viewbill.php ID parameter'"
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
