CVE-2016-1199 in EC-CUBE
Summary
by MITRE
The login page in the management screen in LOCKON EC-CUBE 3.0.0 through 3.0.9 allows remote attackers to bypass intended IP address restrictions via unspecified vectors, a different vulnerability than CVE-2016-1200.
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Analysis
by VulDB Data Team • 11/04/2018
The vulnerability identified as CVE-2016-1199 affects LOCKON EC-CUBE version 3.0.0 through 3.0.9, specifically targeting the management screen login page implementation. This represents a critical access control flaw that undermines the intended security measures designed to restrict administrative access based on IP address boundaries. The vulnerability allows remote attackers to circumvent IP address restrictions that should have limited access to the administrative interface, potentially enabling unauthorized individuals to gain administrative privileges from remote locations.
The technical nature of this flaw involves unspecified vectors that enable attackers to bypass the IP address filtering mechanisms implemented within the application's authentication system. This type of vulnerability typically falls under the category of improper access control as defined by CWE-284, where the application fails to properly enforce access restrictions that should limit administrative access to specific IP addresses or ranges. The vulnerability demonstrates a weakness in the application's authorization logic, where the system does not adequately validate or enforce the IP-based access controls that are critical for protecting administrative interfaces.
From an operational impact perspective, this vulnerability creates a significant risk for organizations using affected EC-CUBE versions, as it allows remote attackers to potentially access administrative functions without proper authorization. The implications extend beyond simple unauthorized access, as administrative privileges typically provide full control over the application's functionality, user management, data manipulation, and system configuration. This vulnerability could enable attackers to modify product catalogs, alter user accounts, access sensitive customer data, or perform other malicious activities that would be restricted under normal circumstances.
The attack surface for this vulnerability is particularly concerning given that it affects the management screen login page, which represents the primary interface for administrative operations within the EC-CUBE platform. Attackers exploiting this vulnerability could potentially leverage it as a stepping stone for further attacks, using the administrative access to gain deeper system insights, escalate privileges, or establish persistence within the application environment. This aligns with ATT&CK technique T1078.004 which covers legitimate credentials usage through unauthorized access to administrative accounts.
Security professionals should prioritize patching this vulnerability as it represents a direct bypass of network-based access controls that are fundamental to application security. The recommended mitigation strategy involves applying the vendor-supplied patches or updates that address the IP restriction bypass mechanism. Organizations should also consider implementing additional security controls such as multi-factor authentication, network segmentation, and monitoring for suspicious login attempts from unauthorized IP addresses. The vulnerability highlights the importance of comprehensive security testing, particularly around access control mechanisms, and demonstrates why layered security approaches are essential for protecting critical application interfaces.
Additional considerations include the potential for this vulnerability to be combined with other attack vectors, such as credential theft or session hijacking, to create more sophisticated attack scenarios. Organizations should conduct thorough security assessments to identify any other access control weaknesses that may exist within their EC-CUBE implementations. The vulnerability also underscores the importance of proper input validation and access control enforcement in web applications, as the flaw likely stems from insufficient validation of IP address information or improper handling of authentication requests that should have been restricted by IP-based rules.