CVE-2022-38637 in Hospital Management System
Summary
by MITRE • 09/14/2022
Hospital Management System v1.0 was discovered to contain multiple SQL injection vulnerabilities via the Username and Password parameters on the Login page.
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Analysis
by VulDB Data Team • 10/17/2022
The vulnerability identified as CVE-2022-38637 affects Hospital Management System version 1.0, representing a critical security flaw that compromises the authentication mechanism of this healthcare information system. This type of vulnerability falls under the category of insecure input handling within web applications, specifically targeting the login functionality that serves as the primary entry point for system access. The vulnerability stems from inadequate sanitization of user inputs during the authentication process, allowing malicious actors to manipulate the system's database queries through crafted input parameters.
The technical implementation of this flaw involves the direct incorporation of user-supplied data into SQL queries without proper parameterization or input validation. When users attempt to log in through the web interface, the system processes the Username and Password parameters without adequate protection against malicious input sequences. This allows attackers to inject malicious SQL code that can manipulate the database query execution flow, potentially leading to unauthorized access, data extraction, or even complete system compromise. The vulnerability manifests as a classic sql injection attack vector where the application fails to distinguish between legitimate user input and malicious SQL commands.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it represents a fundamental breach in the security posture of healthcare systems that handle sensitive patient information. Healthcare organizations rely on robust authentication mechanisms to protect confidential medical records, treatment histories, and personal health information that falls under regulatory compliance requirements such as hipaa. Successful exploitation of this vulnerability could enable attackers to bypass authentication entirely, gain administrative privileges, or extract sensitive patient data from the database. The implications are particularly severe given that healthcare systems often contain highly sensitive information that could be monetized on underground markets or used for identity theft and fraud.
From a threat modeling perspective, this vulnerability aligns with attack patterns documented in the attack tree framework where authentication bypass represents a critical initial access vector. The vulnerability maps directly to CWE-89 which specifically addresses improper neutralization of special elements used in sql commands, and it also relates to CWE-287 which covers improper authentication mechanisms. The attack surface is particularly concerning for healthcare environments where system availability and data integrity are paramount. Security practitioners should consider this vulnerability in the context of the mitre attack framework, specifically within the initial access and credential access phases where attackers seek to establish persistent access to target systems.
Mitigation strategies for this vulnerability must include immediate implementation of proper input validation and parameterized queries to prevent sql injection attacks. Organizations should deploy web application firewalls to detect and block malicious sql injection attempts, while also implementing proper access controls and monitoring mechanisms to detect unauthorized access attempts. The system should be updated to use prepared statements or stored procedures that separate SQL code from user input, ensuring that all database queries are properly parameterized. Additionally, regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in other components of the healthcare management system. The remediation process should also include comprehensive logging and monitoring of authentication attempts to detect potential exploitation attempts, while implementing multi-factor authentication to provide additional security layers beyond simple username and password combinations.