CVE-2022-33880 in Hospital Management System
Summary
by MITRE • 09/29/2022
hms-staff.php in Projectworlds Hospital Management System Mini-Project through 2018-06-17 allows SQL injection via the type parameter.
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Analysis
by VulDB Data Team • 10/26/2022
The CVE-2022-33880 vulnerability resides within the hms-staff.php component of the Projectworlds Hospital Management System Mini-Project, a web application designed for healthcare administrative tasks. This particular version of the system, released on or before June 17, 2018, contains a critical SQL injection flaw that directly impacts the application's database security posture. The vulnerability specifically manifests through the type parameter within the staff management functionality, which processes user inputs without proper sanitization or validation mechanisms.
The technical exploitation of this vulnerability occurs when an attacker manipulates the type parameter in the hms-staff.php script to inject malicious SQL commands. The application fails to implement proper input validation or parameterized queries, allowing malicious SQL code to be executed within the database context. This flaw falls under the Common Weakness Enumeration category CWE-89, which specifically addresses SQL injection vulnerabilities where untrusted data is incorporated into SQL commands without proper escaping or parameterization. The vulnerability represents a classic example of insufficient input validation where user-supplied data flows directly into database queries without adequate sanitization measures.
The operational impact of this vulnerability extends far beyond simple data retrieval, as it provides attackers with the capability to perform unauthorized database operations including data exfiltration, modification, or deletion. An attacker could potentially extract sensitive patient information, manipulate staff records, or even escalate privileges within the database system. The hospital management context amplifies the severity since such systems typically contain highly sensitive personal health information, financial records, and administrative data that would be valuable to threat actors. The vulnerability could enable attackers to gain persistent access to the system, potentially leading to extended breaches or lateral movement within the healthcare network infrastructure.
Mitigation strategies for this vulnerability should focus on implementing proper input validation and parameterized queries throughout the application codebase. The most effective remediation involves replacing direct SQL query construction with prepared statements or parameterized queries that separate SQL logic from user data. Additionally, implementing proper input sanitization and output encoding mechanisms will prevent malicious payloads from being executed. Organizations should also consider implementing web application firewalls and intrusion detection systems to monitor for exploitation attempts. The vulnerability demonstrates the importance of following secure coding practices as outlined in the OWASP Top Ten and the ATT&CK framework's T1190 technique for SQL injection attacks. Regular security assessments and code reviews should be conducted to identify similar vulnerabilities in other components of the system, as the presence of one SQL injection vulnerability often indicates potential for similar issues throughout the application codebase.