CVE-2022-30399 in Merchandise Online Store
Summary
by MITRE • 05/13/2022
Merchandise Online Store v1.0 is vulnerable to SQL Injection via /vloggers_merch/admin/?page=maintenance/manage_category&id=.
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Analysis
by VulDB Data Team • 05/16/2022
The vulnerability identified as CVE-2022-30399 affects Merchandise Online Store version 1.0 and represents a critical SQL injection flaw that can be exploited through the administrative interface. This vulnerability specifically targets the URL endpoint /vloggers_merch/admin/?page=maintenance/manage_category&id= which processes user input without proper sanitization or validation. The flaw allows authenticated attackers with administrative privileges to manipulate database queries by injecting malicious SQL code through the id parameter, potentially leading to unauthorized data access, modification, or deletion. The vulnerability resides in the application's handling of user-supplied input within the category management functionality, making it a direct instance of CWE-89 SQL Injection. This type of vulnerability is particularly dangerous in administrative interfaces where attackers can leverage elevated privileges to execute malicious database commands.
The technical implementation of this vulnerability demonstrates poor input validation and inadequate parameter sanitization within the application's backend processing. When the application receives the id parameter through the URL, it directly incorporates this value into SQL queries without proper escaping or parameterization. This creates an opportunity for attackers to inject malicious SQL payloads that can manipulate the database structure, extract sensitive information, or even execute administrative commands on the underlying database system. The vulnerability is classified under the ATT&CK technique T1071.004 Application Layer Protocol: DNS where attackers can leverage SQL injection to establish persistence and escalate privileges. The attack vector requires an authenticated administrative user session, making it a privilege escalation vulnerability that can be exploited by insiders or compromised administrators.
The operational impact of this vulnerability extends beyond simple data theft, as it can enable complete database compromise and potential system takeover. An attacker could extract all user credentials, product information, customer data, and administrative configurations from the database. The vulnerability also poses risks for data integrity manipulation, allowing attackers to modify or delete critical business information. Additionally, successful exploitation could lead to denial of service conditions by corrupting database structures or consuming excessive system resources through malicious query execution. Organizations using this application face potential regulatory compliance violations under data protection frameworks such as GDPR, HIPAA, or PCI DSS due to unauthorized data access and potential data breaches. The vulnerability affects all systems running version 1.0 of the Merchandise Online Store, regardless of the underlying database technology, making it a widespread concern for businesses relying on this platform.
Mitigation strategies for CVE-2022-30399 should prioritize immediate application patching and input validation implementation. Organizations must ensure that all user-supplied input is properly sanitized and parameterized before being incorporated into database queries. The recommended approach involves implementing prepared statements or parameterized queries to prevent SQL injection attacks, which aligns with the OWASP Top Ten security controls. Network segmentation and access control measures should be enforced to limit administrative access to only authorized personnel, reducing the attack surface for privilege escalation. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in the application codebase. The implementation of web application firewalls and input validation rules can provide additional protection layers. Organizations should also establish incident response procedures specifically addressing SQL injection attacks and maintain comprehensive backup strategies to recover from potential database corruption or data loss scenarios. Regular security updates and vulnerability management processes should be implemented to prevent similar issues in future releases of the application.