CVE-2022-43350 in Sanitization Management System
Summary
by MITRE • 11/07/2022
Sanitization Management System v1.0 was discovered to contain a SQL injection vulnerability via the id parameter at /php-sms/classes/Master.php?f=delete_inquiry.
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Analysis
by VulDB Data Team • 12/05/2022
The vulnerability identified as CVE-2022-43350 resides within the Sanitization Management System version 1.0, specifically targeting the SQL injection flaw in the Master.php file. This system appears to be a web-based application designed for managing sanitization processes, likely within industrial or environmental monitoring contexts. The vulnerability manifests through improper input validation in the id parameter which is processed through the delete_inquiry function at the specified endpoint. The attack vector involves manipulation of the id parameter to inject malicious SQL commands into the backend database query execution chain.
The technical implementation of this vulnerability stems from insufficient sanitization of user-supplied input before incorporating it into database queries. When the application processes the id parameter in the delete_inquiry function, it fails to properly escape or parameterize the input, allowing attackers to craft malicious payloads that can manipulate the SQL execution flow. This represents a classic SQL injection vulnerability classified under CWE-89, which specifically addresses improper neutralization of special elements used in SQL commands. The vulnerability exists at the application layer where user inputs directly influence database operations without adequate security controls.
The operational impact of this vulnerability extends beyond simple data theft, as it provides attackers with the capability to perform unauthorized database operations including data modification, deletion, and potentially unauthorized access to sensitive information. An attacker could exploit this vulnerability to escalate privileges, extract confidential data related to sanitization processes, or even compromise the entire database infrastructure. The implications are particularly concerning for systems managing environmental monitoring data, industrial processes, or any sensitive operational information where such vulnerabilities could lead to operational disruption or security breaches. The vulnerability's location within a management system suggests potential access to administrative functions that could enable more extensive system compromise.
Mitigation strategies for this vulnerability should focus on implementing proper input validation and parameterized queries throughout the application codebase. The recommended approach involves replacing direct input concatenation in SQL queries with prepared statements or parameterized queries that separate the SQL command structure from the data being processed. Additionally, implementing proper input sanitization measures, including whitelisting acceptable input values and implementing comprehensive error handling that does not expose database structure information to end users. The system should also incorporate proper access controls and authentication mechanisms to limit the impact of potential exploitation attempts. This vulnerability aligns with ATT&CK technique T1190 which covers exploitation of remote services and T1071.004 which addresses application layer protocol manipulation. Organizations should conduct comprehensive code reviews and implement automated security testing to identify similar vulnerabilities in other application components.