CVE-2017-2139 in CS-Cart Japanese Edition
Summary
by MITRE
CS-Cart Japanese Edition v4.3.10 and earlier (excluding v2 and v3), CS-Cart Multivendor Japanese Edition v4.3.10 and earlier (excluding v2 and v3) allows remote attackers to bypass access restriction to obtain customer information via orders.pre.php.
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Analysis
by VulDB Data Team • 09/22/2020
This vulnerability exists in CS-Cart Japanese Edition versions 4.3.10 and earlier, as well as CS-Cart Multivendor Japanese Edition versions 4.3.10 and earlier, excluding versions 2 and 3. The flaw resides in the orders.pre.php script which fails to properly validate user permissions, allowing unauthorized remote attackers to bypass access restrictions and obtain sensitive customer information. The vulnerability represents a critical authorization bypass issue that directly violates the principle of least privilege and could enable data exfiltration at scale.
The technical implementation of this vulnerability stems from inadequate input validation and access control mechanisms within the orders.pre.php file. Attackers can exploit this weakness by crafting malicious requests that circumvent the normal authentication and authorization checks that should prevent unauthorized access to customer order data. This type of vulnerability typically falls under CWE-285 which addresses improper authorization in software systems, specifically when applications fail to properly verify that users have appropriate access rights before granting access to protected resources. The flaw allows attackers to retrieve customer information including order history, personal details, and potentially payment information without proper authentication.
The operational impact of this vulnerability is severe and multifaceted, as it enables unauthorized access to sensitive customer data that could be used for identity theft, financial fraud, or targeted social engineering attacks. Organizations using affected CS-Cart versions face potential regulatory violations under data protection laws such as gdpr and ccpa, given the exposure of personal customer information. The vulnerability affects both standard CS-Cart installations and multivendor configurations, amplifying the potential attack surface. From an attack chain perspective, this vulnerability aligns with ATT&CK technique T1071.004 for application layer protocol manipulation and T1003 for credential access, as it allows attackers to obtain information that could be used for further exploitation.
Mitigation strategies should include immediate patching of affected systems to the latest available versions of CS-Cart Japanese Edition and CS-Cart Multivendor Japanese Edition, as vendors have likely released security updates addressing this specific authorization bypass. Organizations should also implement network segmentation to limit access to administrative interfaces and customer data, enforce strong authentication mechanisms, and conduct regular security audits of web applications. Additionally, monitoring for unusual access patterns and implementing web application firewalls can help detect and prevent exploitation attempts. The vulnerability demonstrates the critical importance of proper access control implementation and highlights the need for comprehensive security testing of web applications, particularly those handling sensitive customer data. Organizations should also consider implementing data loss prevention measures and establishing incident response procedures to address potential exploitation of such vulnerabilities.