CVE-2023-45019 in Online Bus Booking System
Summary
by MITRE • 11/02/2023
Online Bus Booking System v1.0 is vulnerable to multiple Unauthenticated SQL Injection vulnerabilities. The 'category' parameter of the category.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 • 11/02/2023
The Online Bus Booking System v1.0 presents a critical security weakness that exposes organizations to unauthorized data access through multiple unauthenticated SQL injection vulnerabilities. This vulnerability specifically targets the category parameter within the category.php resource, where input validation mechanisms fail to properly sanitize user-supplied data before processing. The absence of proper input filtering creates an exploitable entry point that allows attackers to manipulate database queries through crafted malicious input. This flaw operates at the application layer and represents a fundamental failure in data sanitization practices that directly violates established security principles.
The technical implementation of this vulnerability stems from the application's failure to employ proper parameterized queries or input validation controls when processing the category parameter. Attackers can construct malicious SQL payloads that bypass authentication mechanisms and directly interact with the underlying database system. The vulnerability's unauthenticated nature means that any user with access to the application can exploit this flaw without requiring valid credentials, making it particularly dangerous for systems that handle sensitive booking information. This weakness aligns with CWE-89 which specifically addresses SQL injection vulnerabilities where improper input validation allows malicious SQL code execution.
The operational impact of this vulnerability extends beyond simple data theft to encompass potential system compromise and business disruption. An attacker could extract sensitive customer information including personal details, booking records, and payment information stored within the database. The vulnerability also enables data modification and deletion operations that could result in service availability issues and financial losses. Organizations relying on this system face significant risk of regulatory compliance violations, particularly under data protection frameworks such as gdpr and pci dss that mandate proper security controls for handling personal information. The attack surface is further expanded as this vulnerability can serve as a foothold for additional attacks within the network infrastructure.
Mitigation strategies must address both immediate remediation and long-term security improvements to protect against similar vulnerabilities. The primary solution involves implementing proper input validation and parameterized queries to prevent malicious SQL code from executing within the database context. Organizations should deploy web application firewalls to monitor and filter suspicious traffic patterns targeting the vulnerable parameter. Regular security testing including automated scanning and manual penetration testing should be conducted to identify similar issues throughout the application codebase. The implementation of principle of least privilege access controls for database connections and regular security updates form essential components of a comprehensive defense strategy. This vulnerability demonstrates the critical importance of input validation and proper database access controls in maintaining application security.