SQL Injection in Insurance Management System

Executive Summary

This vulnerability is an unauthenticated SQL injection flaw in the Insurance-Management-System. It exists in the file Agent/ManagePolicy/EditPolicyHolder.php where user-controlled inputs Policy_no and Name are directly concatenated into a SQL query without validation or sanitization. Attackers can exploit this remotely to inject malicious SQL commands, potentially accessing, modifying, or deleting database records.

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Detection Guidance

To detect this SQL injection vulnerability, inspect the file Agent/ManagePolicy/EditPolicyHolder.php for improper handling of Policy_no and Name GET parameters. Check if user inputs are directly concatenated into SQL queries without validation or prepared statements. Use tools like sqlmap to test for SQL injection by sending crafted requests to the vulnerable endpoint.

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Impact Analysis

An attacker could exploit this to extract sensitive data like customer records, modify or delete policies, or gain full control of the application. Since no authentication is required, anyone with network access could launch attacks. The public availability of exploit code increases the risk of real-world attacks.

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Compliance Impact

This vulnerability likely violates GDPR and HIPAA requirements for data protection and access controls. GDPR mandates strict data security measures, while HIPAA requires safeguards for protected health information. The flaw could lead to unauthorized data exposure, resulting in regulatory penalties and legal consequences.

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Mitigation Strategies

Immediately apply input validation and sanitization for Policy_no and Name parameters. Replace direct SQL query concatenation with prepared statements. Ensure session checks in Agent/header.php terminate script execution when no agent session exists. Monitor network traffic for suspicious SQL query patterns or unauthorized data access attempts.

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