CVE-2022-30817 in Simple Bus Ticket Booking System
Summary
by MITRE • 06/02/2022
Simple Bus Ticket Booking System 1.0 is vulnerable to SQL Injection via /SimpleBusTicket/index.php.
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Analysis
by VulDB Data Team • 06/04/2022
The Simple Bus Ticket Booking System version 1.0 contains a critical SQL injection vulnerability that affects the index.php file within the application's web interface. This vulnerability stems from inadequate input validation and sanitization mechanisms that fail to properly escape or filter user-supplied data before incorporating it into database queries. The flaw exists in the application's handling of parameters passed through the web interface, creating an avenue for malicious actors to manipulate the underlying database structure and execute unauthorized commands. The vulnerability specifically manifests when the application processes user input through the index.php endpoint, which serves as the primary entry point for booking and managing bus tickets. Attackers can exploit this weakness by crafting malicious SQL payloads that bypass authentication mechanisms and gain unauthorized access to sensitive data stored within the database.
The technical implementation of this vulnerability aligns with CWE-89, which categorizes SQL injection as a direct result of insufficient input validation and sanitization. This weakness allows attackers to manipulate database queries through improper handling of user input, potentially leading to complete database compromise. The vulnerability operates at the application layer where user data flows directly into database execution contexts without proper parameterization or input filtering. According to ATT&CK framework, this represents a technique categorized under T1190 - Proxy Process, as attackers can leverage this vulnerability to establish persistent access to backend systems. The flaw enables unauthorized users to perform operations such as data extraction, modification, or deletion of critical information including passenger details, booking records, and potentially administrative credentials stored within the system's database infrastructure.
The operational impact of this vulnerability extends beyond simple data theft, as it provides attackers with the capability to escalate privileges and gain deeper system access. An attacker could potentially extract all passenger records, modify booking information, or even delete critical database entries that would disrupt business operations. The vulnerability's exposure through the publicly accessible index.php endpoint means that any user with basic web application knowledge can exploit this weakness without requiring advanced technical skills. This creates a significant risk for organizations relying on this system for transportation booking services, as sensitive personal information and financial data could be compromised. The vulnerability also poses a risk for credential theft, as attackers might be able to extract administrative login information to gain full control over the booking system. Organizations using this system face potential regulatory compliance violations under data protection laws such as GDPR or CCPA, given the exposure of personal information through unauthorized database access.
Mitigation strategies should focus on implementing proper input validation, parameterized queries, and web application firewalls to prevent malicious SQL payloads from reaching the database layer. The application should utilize prepared statements or parameterized queries to ensure that user input is never directly executed as database commands. Additionally, implementing proper access controls and authentication mechanisms will help limit the impact of successful exploitation attempts. Regular security audits and penetration testing should be conducted to identify similar vulnerabilities in other parts of the application. Organizations should also consider implementing database activity monitoring and intrusion detection systems to detect unauthorized database access attempts. The vulnerability highlights the importance of secure coding practices and input sanitization, particularly for applications handling sensitive user data. Regular updates and patches should be applied to ensure that known vulnerabilities are addressed, and comprehensive security training for developers should be implemented to prevent similar issues in future development cycles. The system should also implement proper error handling to prevent information disclosure that could aid attackers in understanding the database structure and further exploiting the vulnerability.