CVE-2022-32394 in Prison Management System
Summary
by MITRE • 06/24/2022
Prison Management System v1.0 was discovered to contain a SQL injection vulnerability via the 'id' parameter at /pms/admin/inmates/view_inmate.php:3
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Analysis
by VulDB Data Team • 07/14/2022
The vulnerability identified as CVE-2022-32394 affects the Prison Management System version 1.0, specifically targeting the administrative component responsible for inmate management. This system, designed to handle sensitive prison operations including inmate records, visitor logs, and facility management, contains a critical SQL injection flaw that undermines its data integrity and security posture. The vulnerability manifests through the 'id' parameter within the view_inmate.php script, which processes administrative requests to retrieve inmate information from the database. This particular endpoint represents a high-value target within the system's attack surface as it handles direct database queries for sensitive personal and operational data.
The technical implementation flaw resides in the insufficient input validation and sanitization of the 'id' parameter, which allows malicious actors to inject arbitrary SQL commands into the database query execution process. When an attacker submits a malformed id parameter, the system fails to properly escape or validate the input before incorporating it into the SQL statement, creating a condition where database commands can be executed with the privileges of the application's database user. This vulnerability directly maps to CWE-89, which classifies SQL injection as a weakness that occurs when an application uses user-supplied data to construct SQL queries without proper sanitization or parameterization. The attack vector demonstrates a classic insecure direct object reference pattern where the system directly uses user input to determine which database records to access without proper authorization checks or input filtering mechanisms.
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 extraction of sensitive prisoner information. An attacker could potentially escalate privileges to gain access to the entire database, including administrative accounts, inmate records, security logs, and operational data that may contain personal health information, behavioral assessments, and facility access records. The vulnerability also creates opportunities for privilege escalation attacks where an attacker might attempt to access other administrative functions within the system, potentially compromising the entire prison management infrastructure. This represents a significant risk to both operational security and prisoner safety, as unauthorized access could enable manipulation of inmate records or even facilitate escape scenarios through access to security system data.
Mitigation strategies for this vulnerability should include immediate implementation of parameterized queries or prepared statements to ensure that user input is properly separated from SQL command execution. The system should enforce strict input validation on the 'id' parameter, implementing whitelisting mechanisms that only accept expected data formats and ranges. Additionally, the application should implement proper error handling that prevents database-specific error messages from being exposed to users, as these can aid in further exploitation attempts. Security measures should include regular input sanitization, database user privilege minimization, and implementation of web application firewalls to detect and block malicious SQL injection attempts. The system should also be updated to follow secure coding practices aligned with OWASP Top Ten and NIST guidelines for web application security. Organizations should conduct regular security assessments and penetration testing to identify similar vulnerabilities within their prison management systems and ensure that all database interactions follow secure coding standards to prevent unauthorized access to critical infrastructure data.