CVE-2022-30403 in Merchandise Online Store
Summary
by MITRE • 05/13/2022
Merchandise Online Store v1.0 is vulnerable to SQL Injection via /vloggers_merch/?p=products&c=.
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Analysis
by VulDB Data Team • 05/16/2022
The vulnerability identified as CVE-2022-30403 affects Merchandise Online Store version 1.0 and represents a critical SQL injection flaw that could enable unauthorized access to backend database systems. This vulnerability specifically manifests through the parameterized URL endpoint /vloggers_merch/?p=products&c= which processes user input without adequate sanitization or validation. The affected application appears to be a web-based e-commerce platform designed for merchandise sales, where the vulnerability exists within the product catalog functionality that handles category-based product display operations.
The technical exploitation of this SQL injection vulnerability occurs when an attacker submits malicious SQL payload through the c parameter in the URL. The application fails to properly escape or validate user-supplied input before incorporating it into database queries, allowing attackers to manipulate the underlying SQL execution logic. This flaw falls under CWE-89 which specifically addresses SQL injection vulnerabilities, where improper input handling leads to unauthorized database access. The vulnerability represents a classic case of unfiltered user input being directly concatenated into SQL commands, enabling attackers to execute arbitrary database operations including data retrieval, modification, or deletion.
The operational impact of this vulnerability extends beyond simple data theft to encompass complete database compromise and potential system infiltration. An attacker could leverage this vulnerability to extract sensitive customer information, including personal details, payment information, and login credentials stored within the database. The vulnerability also permits privilege escalation attacks where attackers might gain administrative access to the application, enabling them to modify product listings, manipulate pricing structures, or even delete entire product catalogs. This type of vulnerability aligns with ATT&CK technique T1213.002 which involves data from information repositories, and T1078.004 which covers valid accounts with elevated privileges.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term security hardening measures. The primary fix involves implementing proper input validation and parameterized queries throughout the application codebase, ensuring that all user-supplied input undergoes strict sanitization before database processing. Database access controls should be reviewed and implemented with the principle of least privilege, limiting application database accounts to only necessary permissions. Additionally, implementing web application firewalls and input filtering mechanisms can provide additional defense layers against exploitation attempts. Regular security testing including automated vulnerability scanning and manual penetration testing should be conducted to identify similar issues in other application components. The vulnerability demonstrates the critical importance of secure coding practices and input validation as outlined in OWASP Top Ten category A03:2021 - Injection, which emphasizes the necessity of proper data validation and sanitization in all user-facing application interfaces.