CVE-2023-48688 in Railway Reservation System
Summary
by MITRE • 12/21/2023
Railway Reservation System v1.0 is vulnerable to multiple Unauthenticated SQL Injection vulnerabilities. The 'to' parameter of the reservation.php resource does not validate the characters received and they are sent unfiltered to the database.
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Analysis
by VulDB Data Team • 12/22/2023
The Railway Reservation System v1.0 presents a critical security vulnerability through its unauthenticated SQL injection flaw in the reservation.php resource. This vulnerability specifically targets the 'to' parameter which fails to implement proper input validation mechanisms, allowing malicious actors to inject arbitrary SQL commands directly into the database query execution pipeline. The absence of input sanitization creates a direct pathway for attackers to manipulate database operations without requiring authentication credentials, fundamentally compromising the system's data integrity and confidentiality. This vulnerability falls under the Common Weakness Enumeration category CWE-89 which specifically addresses SQL injection weaknesses in software applications.
The technical exploitation of this vulnerability occurs when an attacker submits malicious input through the 'to' parameter field in the reservation.php endpoint. The system processes this unfiltered input directly within SQL queries without proper parameterization or input validation, enabling attackers to construct malicious SQL statements that can execute arbitrary commands on the underlying database server. This flaw allows for unauthorized data access, modification, or deletion operations that can compromise passenger information, reservation records, and potentially sensitive financial data stored within the system's database infrastructure. The vulnerability's impact extends beyond simple data theft as it can enable attackers to escalate privileges and gain deeper access to the system's underlying architecture.
The operational impact of this vulnerability is severe and multifaceted for railway reservation systems that rely on database integrity for their core functionality. Attackers can exploit this weakness to extract sensitive passenger information including personal identification details, contact information, and travel history. The system's inability to validate input parameters creates an environment where unauthorized users can manipulate reservation data, potentially leading to double booking scenarios, fraudulent reservations, or complete disruption of the reservation service. This vulnerability directly violates fundamental security principles outlined in the ATT&CK framework under the T1190 technique for exploitation of remote services, where attackers leverage unvalidated inputs to gain unauthorized access to database systems. The lack of authentication requirements for exploitation makes this particularly dangerous as it requires no prior access credentials to initiate attacks.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term security improvements within the railway reservation system architecture. The primary solution involves implementing proper input validation and parameterized queries to ensure that all user-supplied data is properly sanitized before database interaction. This includes implementing strict character validation for the 'to' parameter field and employing prepared statements that separate SQL command structure from data values. Organizations should also implement comprehensive logging and monitoring of database access patterns to detect potential exploitation attempts. Additionally, regular security assessments and penetration testing should be conducted to identify similar vulnerabilities within the system's codebase. The implementation of web application firewalls and input filtering mechanisms can provide additional layers of protection against similar injection attacks, while adherence to security standards such as OWASP Top Ten and NIST guidelines should be maintained throughout the remediation process to ensure comprehensive protection against future exploitation attempts.