CVE-2009-3112 in OXID eShop
Summary
by MITRE
Unspecified vulnerability in OXID eShop Professional, Enterprise, and Community Edition before 4.1.0 allows remote attackers to gain administrator privileges and access the shop backend via a crafted parameter.
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Analysis
by VulDB Data Team • 09/03/2017
The vulnerability identified as CVE-2009-3112 represents a critical authentication bypass flaw within the OXID eShop platform, affecting multiple editions including Professional, Enterprise, and Community versions prior to 4.1.0. This issue stems from insufficient input validation and improper parameter handling within the administrative backend authentication mechanism. The vulnerability allows remote attackers to escalate their privileges without legitimate authorization, effectively granting them full administrative control over the affected eShop installations. The unspecified nature of the flaw suggests a fundamental weakness in the parameter processing logic that governs access control decisions within the application's security framework.
Technical exploitation of this vulnerability occurs through the manipulation of specific parameters that are processed during the authentication flow. Attackers can craft malicious requests containing specially formatted parameters that bypass the normal authentication checks and directly grant administrative access to the backend interface. The flaw likely resides in how the application validates user credentials and session management, potentially allowing parameter injection or manipulation of authentication tokens that should normally be protected. This type of vulnerability typically falls under CWE-287 which addresses improper handling of authentication tokens and credential management failures, aligning with the broader category of authentication bypass vulnerabilities that threat actors frequently target in e-commerce platforms.
The operational impact of CVE-2009-3112 is severe and far-reaching for organizations utilizing affected OXID eShop versions. Successful exploitation enables attackers to completely compromise the administrative backend, allowing them to modify product catalogs, alter pricing structures, access customer data, and potentially execute arbitrary code on the server. The vulnerability creates a persistent backdoor that can be exploited repeatedly, making it particularly dangerous for online retailers handling sensitive financial and personal information. Organizations may face significant financial losses, regulatory penalties, and reputational damage if customer data is compromised or if the platform is used as a launching point for further attacks against their network infrastructure. The attack vector being remote means that adversaries can exploit this vulnerability from anywhere on the internet without requiring physical access to the target system.
Mitigation strategies for CVE-2009-3112 should prioritize immediate patching of affected systems to version 4.1.0 or later, which contains the necessary security fixes. Organizations should implement network-level controls including firewall rules that restrict access to administrative interfaces to trusted IP addresses only, and deploy intrusion detection systems to monitor for suspicious authentication attempts. Additional defensive measures include regular security audits of application parameters, implementing robust input validation mechanisms, and establishing multi-factor authentication for administrative access. From an ATT&CK framework perspective, this vulnerability maps to techniques involving privilege escalation and credential access, and organizations should ensure their defensive strategies address these threat patterns through proper access controls and monitoring. The vulnerability also highlights the importance of maintaining up-to-date software versions and implementing comprehensive security testing procedures to identify and remediate similar authentication bypass issues before they can be exploited by malicious actors.