CVE-2012-5800 in eBay module
Summary
by MITRE
The eBay module in PrestaShop does not verify that the server hostname matches a domain name in the subject s Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.
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Analysis
by VulDB Data Team • 02/09/2018
The vulnerability identified as CVE-2012-5800 resides within the eBay module of PrestaShop, a widely used open-source e-commerce platform. This flaw represents a critical SSL certificate validation weakness that fundamentally undermines the security of secure communications between the e-commerce platform and eBay's servers. The issue specifically affects how the module handles SSL certificate verification during HTTPS connections, creating a significant attack surface for malicious actors seeking to intercept or manipulate sensitive transaction data.
The technical flaw manifests in the module's failure to properly validate SSL certificates through hostname verification. According to industry standards such as CWE-295, this represents a certificate validation vulnerability where the system does not adequately check that the server's certificate matches the expected domain name. The eBay module in PrestaShop bypasses the standard certificate validation process by not verifying that the server hostname matches either the Common Name (CN) field or the Subject Alternative Name (SAN) fields of the X.509 certificate. This omission allows attackers to perform man-in-the-middle attacks by presenting a valid certificate for a different domain, effectively deceiving the system into trusting fraudulent connections.
The operational impact of this vulnerability is severe and multifaceted. Attackers can exploit this weakness to intercept sensitive customer data, including personal information, payment details, and transaction records that flow between the PrestaShop store and eBay's servers. This compromise directly affects the integrity and confidentiality of e-commerce transactions, potentially leading to financial fraud, identity theft, and reputational damage for affected businesses. The vulnerability is particularly dangerous because it operates at the SSL/TLS layer, meaning that even if customers believe they are connecting securely, their communications may be silently intercepted and modified by attackers. This weakness can be leveraged through various attack vectors including network-based interception, DNS spoofing, or compromised intermediate network nodes.
The security implications extend beyond simple data interception to encompass broader trust model violations within the e-commerce ecosystem. This vulnerability aligns with ATT&CK technique T1041, which describes techniques for data manipulation and interception during network communications. Organizations using affected PrestaShop versions may experience unauthorized access to their e-commerce operations, potentially leading to inventory manipulation, pricing alterations, or complete compromise of transaction processing. The vulnerability also creates opportunities for attackers to inject malicious content or redirect users to fraudulent sites, further expanding the potential attack surface. Mitigation efforts should focus on immediate module updates or patches provided by PrestaShop developers, along with comprehensive security reviews of all SSL/TLS implementations within e-commerce platforms. Organizations should also implement additional monitoring for suspicious network activity and consider deploying network security controls to detect and prevent unauthorized certificate usage patterns. The vulnerability demonstrates the critical importance of proper SSL certificate validation in maintaining secure communications and highlights the need for thorough security testing of third-party modules in open-source platforms.