CVE-2022-25492 in HMS
Summary
by MITRE • 03/15/2022
HMS v1.0 was discovered to contain a SQL injection vulnerability via the medicineid parameter in ajaxmedicine.php.
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Analysis
by VulDB Data Team • 03/18/2022
The vulnerability identified as CVE-2022-25492 represents a critical SQL injection flaw within HMS v1.0 medical management software, specifically targeting the ajaxmedicine.php component. This issue arises from inadequate input validation and sanitization practices within the application's parameter handling mechanisms, creating an exploitable condition that allows malicious actors to manipulate database queries through the medicineid parameter. The vulnerability exists in the context of web applications that process user-supplied data without proper security controls, making it particularly dangerous in healthcare environments where sensitive patient information is stored and managed.
The technical exploitation of this vulnerability occurs when an attacker submits malicious input through the medicineid parameter in the ajaxmedicine.php script. This parameter is directly incorporated into SQL query construction without appropriate sanitization or parameterization, enabling attackers to inject arbitrary SQL commands that can be executed by the database server. The flaw aligns with CWE-89, which categorizes SQL injection vulnerabilities as a fundamental weakness in application security where untrusted data is concatenated into SQL queries without proper validation or escaping mechanisms. Attackers can leverage this vulnerability to extract confidential data, modify database records, or even gain unauthorized administrative access to the underlying database system.
The operational impact of CVE-2022-25492 extends beyond simple data theft, as it compromises the integrity and confidentiality of healthcare information systems. In medical environments, this vulnerability could enable attackers to access patient medical records, treatment histories, prescription information, and other sensitive health data that is protected by privacy regulations such as HIPAA. The attack surface is particularly concerning given that the vulnerability affects a medical management system where unauthorized access could lead to serious consequences including identity theft, medical fraud, or even life-threatening situations if treatment data is manipulated. The vulnerability also aligns with ATT&CK technique T1071.004 which describes application layer protocol manipulation, specifically targeting web application interfaces for data exfiltration and system compromise.
Mitigation strategies for this vulnerability should prioritize immediate implementation of input validation and parameterized queries within the application code. Developers must ensure that all user-supplied parameters, particularly those used in database operations, are properly sanitized and validated before being incorporated into SQL statements. The recommended approach includes implementing prepared statements or parameterized queries that separate SQL command structure from data values, effectively preventing malicious input from altering the intended query execution. Additionally, implementing proper access controls, input filtering mechanisms, and regular security testing including automated vulnerability scanning and manual penetration testing will help prevent exploitation of similar weaknesses. Organizations should also establish robust monitoring and logging procedures to detect suspicious database access patterns that may indicate attempted exploitation of SQL injection vulnerabilities, while maintaining compliance with healthcare security standards and regulatory requirements.