CVE-2022-43329 in Canteen Management System
Summary
by MITRE • 11/01/2022
Canteen Management System v1.0 was discovered to contain a SQL injection vulnerability via the id parameter at /print.php.
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Analysis
by VulDB Data Team • 05/03/2025
The canteen management system version 1.0 presents a critical sql injection vulnerability that fundamentally compromises the integrity and confidentiality of sensitive data within the application. This vulnerability exists due to inadequate input validation and sanitization mechanisms within the system's database interaction layer. The flaw specifically manifests through the id parameter in the print.php endpoint, where user-supplied input is directly concatenated into sql query strings without proper escaping or parameterization. This design oversight creates an exploitable condition that allows malicious actors to inject arbitrary sql commands into the backend database through crafted input values.
The technical nature of this vulnerability aligns with common weakness enumeration 89, which describes sql injection flaws where untrusted data is incorporated into sql queries without proper validation or escaping. The attack surface is particularly concerning as it targets a print functionality that likely handles sensitive transactional data including meal orders, user information, and financial records. When an attacker exploits this vulnerability, they can execute unauthorized database operations such as data extraction, modification, or deletion, potentially gaining access to personal user information, payment details, and canteen inventory records. The vulnerability's impact is amplified by the fact that it affects a core business function that likely requires user authentication, making successful exploitation potentially devastating for both data confidentiality and system integrity.
The operational implications of this vulnerability extend beyond simple data theft, as it represents a fundamental breakdown in the application's security architecture that could lead to complete system compromise. Attackers could leverage this weakness to escalate privileges, create backdoor accounts, or manipulate the canteen's operational data to cause financial loss or service disruption. The vulnerability also poses significant compliance risks for organizations that must adhere to data protection regulations such as gdpr or pci dss, as unauthorized data access or modification could result in regulatory penalties and reputational damage. Additionally, this flaw could serve as a foothold for further attacks within the network, as compromised database credentials or access patterns might be used to pivot to other systems within the organization's infrastructure.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term architectural improvements to prevent similar issues from occurring in the future. The primary fix involves implementing proper input validation and parameterized queries throughout the application, ensuring that all user-supplied data is properly sanitized before being incorporated into database operations. This approach directly addresses the underlying cause of the vulnerability by preventing malicious sql code from being executed within the database context. Organizations should also implement comprehensive web application firewalls and input filtering mechanisms to detect and block suspicious sql injection attempts. Regular security testing including automated sql injection scanning and manual penetration testing should be conducted to identify and remediate similar vulnerabilities across the entire application stack. Additionally, implementing proper access controls and database privilege management ensures that even if exploitation occurs, the attacker's capabilities are limited to predefined permissions. The remediation process should follow established security frameworks such as owasp top ten and iso 27001 guidelines to ensure comprehensive protection against sql injection threats.