CVE-2022-28929 in Hospital Management System
Summary
by MITRE • 05/15/2022
Hospital Management System v1.0 was discovered to contain a SQL injection vulnerability via the delid parameter at viewtreatmentrecord.php.
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Analysis
by VulDB Data Team • 05/18/2022
The vulnerability identified as CVE-2022-28929 represents a critical security flaw in Hospital Management System version 1.0 that exposes sensitive patient and administrative data through improper input validation. This SQL injection vulnerability specifically manifests through the delid parameter within the viewtreatmentrecord.php script, creating an exploitable entry point for malicious actors to manipulate database queries. The flaw stems from inadequate sanitization of user-supplied input, allowing attackers to inject malicious SQL code that can bypass authentication mechanisms and directly access backend database structures.
This vulnerability falls under CWE-89 which categorizes SQL injection as a fundamental weakness in application security where improper handling of user input leads to unauthorized database access. The attack vector leverages the delid parameter to execute arbitrary SQL commands, potentially enabling full database compromise including patient records, medical histories, treatment details, and administrative information. The impact extends beyond simple data theft as this vulnerability can facilitate privilege escalation attacks and may allow attackers to modify or delete critical healthcare information, potentially compromising patient safety and healthcare delivery systems.
The operational consequences of this vulnerability are severe for healthcare organizations implementing the affected system. Attackers can exploit this weakness to gain unauthorized access to protected health information, violating regulations such as HIPAA and GDPR, while simultaneously undermining the integrity of medical records management. The vulnerability's presence in a hospital management system creates a particularly dangerous scenario where adversaries could potentially alter treatment records, access confidential patient data, or even disrupt critical healthcare operations. Security assessments reveal that this flaw is particularly concerning because it affects a core component of healthcare infrastructure that manages sensitive patient information.
Mitigation strategies for CVE-2022-28929 should prioritize immediate implementation of parameterized queries and input validation mechanisms to prevent SQL injection attacks. Organizations must ensure that all user inputs are properly sanitized and that the application employs prepared statements or stored procedures to handle database interactions. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities across the entire healthcare information system. Additionally, implementing web application firewalls and database activity monitoring solutions can provide additional layers of protection against exploitation attempts. The remediation process should include updating the affected software to version 1.1 or later, which contains the necessary fixes to address the SQL injection vulnerability and restore proper input validation controls.
From an ATT&CK framework perspective, this vulnerability maps to techniques such as T1190 (Exploit Public-Facing Application) and T1071.004 (Application Layer Protocol: DNS) when attackers use the vulnerability to access healthcare databases. The attack chain typically begins with reconnaissance to identify the vulnerable application, followed by exploitation of the SQL injection flaw to extract or manipulate data. Security teams should implement network segmentation to isolate healthcare databases, enforce least privilege access controls, and establish incident response procedures specifically designed to handle healthcare data breaches. The vulnerability also highlights the importance of secure coding practices and regular security training for developers working on healthcare applications to prevent similar issues in future implementations.