CVE-2018-20715 in eSales
Summary
by MITRE
The DB abstraction layer of OXID eSales 4.10.6 is vulnerable to SQL injection via the oxid or synchoxid parameter to the oxConfig::getRequestParameter() method in core/oxconfig.php.
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Analysis
by VulDB Data Team • 05/01/2020
The vulnerability identified as CVE-2018-20715 resides within the database abstraction layer of OXID eSales version 4.10.6, representing a critical security flaw that exposes the platform to unauthorized data access and manipulation. This issue specifically targets the oxConfig::getRequestParameter() method located in the core/oxconfig.php file, which serves as a central point for handling user input parameters within the e-commerce platform. The vulnerability manifests when the application processes the oxid or synchoxid parameters, which are commonly used for object identification and synchronization operations within the OXID framework.
The technical flaw stems from inadequate input validation and sanitization within the database abstraction layer, allowing malicious actors to inject malicious SQL commands through carefully crafted parameter values. When the oxid or synchoxid parameters are passed to the oxConfig::getRequestParameter() method, the application fails to properly escape or validate these inputs before incorporating them into SQL queries. This oversight creates a direct pathway for SQL injection attacks, where attackers can manipulate the database queries to extract sensitive information, modify records, or even execute administrative commands within the database. The vulnerability is classified under CWE-89 as SQL injection, a well-documented weakness that consistently ranks among the top cybersecurity threats due to its potential for severe data breaches and system compromise.
The operational impact of this vulnerability extends beyond simple data theft, as it provides attackers with the capability to fully compromise the underlying database infrastructure. Successful exploitation could lead to unauthorized access to customer information, transaction records, product catalogs, and administrative credentials stored within the OXID eSales platform. The attack surface is particularly concerning given that the vulnerability affects a core configuration method that is likely invoked throughout the application's lifecycle, making it a prime target for exploitation. Attackers could potentially leverage this vulnerability to perform data exfiltration, modify pricing information, or even gain persistence within the system through database-level backdoors. The implications are especially severe for e-commerce platforms where customer data protection and transaction integrity are paramount.
Organizations utilizing OXID eSales 4.10.6 should immediately implement comprehensive mitigation strategies to address this vulnerability. The primary remediation involves upgrading to a patched version of the OXID eSales platform where the input validation and sanitization have been properly implemented within the oxConfig::getRequestParameter() method. Additionally, implementing proper parameter validation and escaping mechanisms within the application code can serve as interim protective measures. Security configurations should include input filtering at multiple layers, including the web application firewall level, to prevent malicious payloads from reaching the vulnerable database abstraction layer. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities within the application's codebase, while adherence to OWASP Top Ten security guidelines and ATT&CK framework principles should guide overall security hardening efforts. The vulnerability also underscores the importance of maintaining current security patches and implementing robust application security monitoring to detect and respond to potential exploitation attempts in real-time.