CVE-2018-18804 in Bakeshop Inventory System
Summary
by MITRE
Bakeshop Inventory System 1.0 has SQL injection via the login screen, related to include/publicfunction.vb.
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Analysis
by VulDB Data Team • 03/21/2025
The vulnerability identified as CVE-2018-18804 affects the Bakeshop Inventory System version 1.0, specifically targeting the login screen functionality through a SQL injection attack vector. This flaw resides within the include/publicfunction.vb file, indicating a classic server-side SQL injection vulnerability that allows malicious actors to manipulate database queries through crafted input parameters. The system's authentication mechanism becomes compromised when user inputs are not properly sanitized or validated before being incorporated into SQL commands, creating an avenue for unauthorized database access and potential system compromise.
The technical implementation of this vulnerability stems from inadequate input validation and parameterized query handling within the application's public function library. When users attempt to log in through the system interface, their credentials are processed through the vulnerable include/publicfunction.vb component where SQL commands are constructed using string concatenation rather than prepared statements or parameterized queries. This design flaw enables attackers to inject malicious SQL code through login parameters, potentially allowing them to bypass authentication mechanisms, extract sensitive data, or even execute administrative commands on the underlying database system. The vulnerability directly maps to CWE-89 which categorizes SQL injection flaws as a critical security weakness in application code.
The operational impact of this vulnerability extends beyond simple authentication bypass, as successful exploitation could lead to complete database compromise including access to customer information, inventory records, financial data, and potentially system credentials. Attackers could leverage this vulnerability to perform unauthorized data manipulation, including data deletion, modification, or extraction of sensitive information. The attack surface is particularly concerning given that the vulnerability exists in the login screen functionality, which is one of the most frequently accessed components of any application, making it an attractive target for automated exploitation attempts. This weakness creates a persistent security risk that could be exploited by both internal and external threat actors without requiring elevated privileges.
Mitigation strategies for CVE-2018-18804 should focus on implementing proper input validation and parameterized queries throughout the application codebase, particularly within the include/publicfunction.vb file where the vulnerability originates. The recommended approach involves converting all dynamic SQL queries to use parameterized statements or prepared queries that separate SQL command structure from user input data. Additionally, implementing proper input sanitization routines, enforcing least privilege database access controls, and deploying web application firewalls can provide defense-in-depth measures. Organizations should also consider implementing multi-factor authentication mechanisms and regular security code reviews to identify similar vulnerabilities in other application components. The remediation aligns with ATT&CK technique T1190 which covers exploiting vulnerabilities in web applications, and the mitigation strategies should address the underlying root cause through secure coding practices as outlined in the OWASP Top Ten security framework.