CVE-2022-30012 in HMS
Summary
by MITRE • 05/16/2022
In the POST request of the appointment.php page of HMS v.0, there are SQL injection vulnerabilities in multiple parameters, and database information can be obtained through injection.
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Analysis
by VulDB Data Team • 05/18/2022
The vulnerability identified as CVE-2022-30012 represents a critical SQL injection flaw within the Hospital Management System version 0.0, specifically affecting the appointment.php web page. This vulnerability resides in the handling of POST requests where multiple parameters are susceptible to malicious input manipulation. The flaw allows attackers to execute unauthorized database queries through crafted input, potentially leading to complete database compromise and unauthorized data access. The vulnerability is classified under CWE-89, which specifically addresses SQL injection weaknesses in software applications. This type of vulnerability falls within the ATT&CK technique T1071.004, which covers application layer protocol manipulation, and more specifically targets the database access and data extraction phase of cyber attacks.
The technical implementation of this vulnerability stems from inadequate input validation and sanitization within the appointment.php script. When the application processes user-submitted data through POST requests, it fails to properly escape or parameterize database queries, allowing malicious SQL code to be executed within the database context. Attackers can exploit this by injecting malicious SQL payloads into various parameters of the appointment form, potentially gaining access to sensitive patient information, administrative credentials, or other confidential data stored within the database. The vulnerability is particularly dangerous because it affects multiple parameters, increasing the attack surface and providing attackers with multiple potential entry points for exploitation.
The operational impact of this vulnerability extends beyond simple data theft, as it can enable attackers to manipulate the entire database structure and content. Successful exploitation could result in data modification, deletion of critical patient records, or even complete system compromise through database privilege escalation. The vulnerability affects the confidentiality, integrity, and availability of the hospital management system, potentially disrupting critical healthcare operations and violating patient privacy regulations. Organizations using this system face significant risk of regulatory penalties under HIPAA, GDPR, and other healthcare data protection standards due to the potential exposure of sensitive medical information.
Mitigation strategies for CVE-2022-30012 should prioritize immediate implementation of parameterized queries and input validation mechanisms throughout the application. The system should employ proper SQL injection prevention techniques including prepared statements, stored procedures, and input sanitization filters. Security patches should be applied immediately to update the vulnerable HMS version to a secure release that addresses these injection vulnerabilities. Network-level protections such as web application firewalls and intrusion detection systems can provide additional defense-in-depth measures. Regular security assessments and code reviews should be conducted to identify similar vulnerabilities in other application components, ensuring comprehensive protection against SQL injection attacks. Access controls and database permissions should be strictly enforced to limit potential damage from successful exploitation attempts.