Overview
A critical vulnerability has been discovered in the Hospital Management System version 4, a widely used software for coordinating and managing healthcare services. This vulnerability, designated as CVE-2023-41527, exposes the system to SQL Injection attacks, potentially leading to unauthorized access, system compromise, and data leakage. Given the sensitive nature of the data handled by healthcare systems, this vulnerability poses a significant risk to patient privacy and the integrity of healthcare operations.
Vulnerability Summary
CVE ID: CVE-2023-41527
Severity: Critical (9.8 CVSS Score)
Attack Vector: Network
Privileges Required: Low
User Interaction: None
Impact: Potential system compromise and data leakage
Affected Products
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Product | Affected Versions
Hospital Management System | v4
How the Exploit Works
The vulnerability resides in the ‘password2’ parameter within the ‘func.php’ script. Attackers can manipulate SQL queries by injecting malicious SQL code into the ‘password2’ field. As a result, they can bypass authentication mechanisms, alter data, and potentially gain complete control over the system.
Conceptual Example Code
Here’s a conceptual example of how an attacker might exploit this vulnerability:
POST /func.php HTTP/1.1
Host: target.example.com
Content-Type: application/x-www-form-urlencoded
username=admin&password2=1' OR '1'='1';--In this example, the SQL injection payload “1′ OR ‘1’=’1′;–” results in a modified SQL query which always returns true, thereby bypassing any checks in place.
Recommendations for Mitigation
To mitigate this vulnerability, apply the vendor-supplied patch as soon as it is available. If immediate patching is not feasible, use a Web Application Firewall (WAF) or Intrusion Detection System (IDS) as a temporary mitigation measure to detect and prevent SQL injection attempts. Regularly updating your systems and applying patches is the best defense against such vulnerabilities.