CVE-2022-32028 in Car Rental Management System
Summary
by MITRE • 06/02/2022
Car Rental Management System v1.0 is vulnerable to SQL Injection via /car-rental-management-system/admin/manage_user.php?id=.
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Analysis
by VulDB Data Team • 06/05/2022
The Car Rental Management System version 1.0 contains a critical sql injection vulnerability that affects the administrative user management functionality. This vulnerability exists in the manage_user.php script where the application fails to properly sanitize user input passed through the id parameter in the url query string. The flaw allows an attacker to inject malicious sql commands directly into the database query execution flow, potentially gaining unauthorized access to sensitive user data and system resources. This vulnerability represents a classic improper input validation issue that violates fundamental security principles and exposes the system to various attack vectors.
The technical exploitation of this vulnerability occurs when an attacker crafts a malicious payload and appends it to the id parameter in the url path. The application processes this unvalidated input directly within the sql query without proper parameterization or input sanitization mechanisms. This creates an environment where sql commands can be executed with the privileges of the database user account used by the web application. The vulnerability falls under the category of cwe-89 sql injection as defined by the common weakness enumeration, which specifically addresses improper neutralization of special elements used in sql commands. Attackers can leverage this weakness to extract, modify, or delete sensitive data including user credentials, personal information, and system configuration details.
The operational impact of this vulnerability extends beyond simple data theft and encompasses potential system compromise and unauthorized administrative access. An attacker could escalate privileges by exploiting the sql injection to gain database administrator level access, enabling them to manipulate user accounts, modify system configurations, or even execute operating system commands if the database server allows such operations. The vulnerability affects the confidentiality, integrity, and availability of the system as outlined in the cia triad, potentially leading to complete system takeover. Additionally, this weakness aligns with attack techniques described in the mitre att&ck framework under initial access and privilege escalation tactics, where attackers can establish persistent access through database compromise.
Mitigation strategies for this vulnerability should include immediate implementation of proper input validation and parameterized queries throughout the application codebase. The system administrators must ensure that all user-supplied input undergoes strict sanitization and that prepared statements or parameterized queries are utilized for database interactions. The application should implement proper access controls and authentication mechanisms to limit the scope of potential damage. Regular security code reviews and penetration testing should be conducted to identify similar vulnerabilities throughout the application. Additionally, implementing web application firewalls and database activity monitoring systems can provide additional layers of protection and detection capabilities. The vulnerability demonstrates the critical importance of following secure coding practices and adhering to established security standards to prevent such widespread exploitation opportunities.