CVE-2013-3654 in EC-CUBE
Summary
by MITRE
Directory traversal vulnerability in LOCKON EC-CUBE 2.12.0 through 2.12.4 allows remote attackers to read arbitrary image files via vectors related to data/class/SC_CheckError.php and data/class/SC_FormParam.php, a different vulnerability than CVE-2013-3650.
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Analysis
by VulDB Data Team • 01/03/2022
The vulnerability identified as CVE-2013-3654 represents a directory traversal flaw affecting LOCKON EC-CUBE e-commerce platform versions 2.12.0 through 2.12.4. This security weakness resides within the application's file handling mechanisms and specifically targets the SC_CheckError.php and SC_FormParam.php component files located in the data/class directory structure. The vulnerability enables remote attackers to access arbitrary image files stored on the server by exploiting improper input validation and file path manipulation techniques. Unlike CVE-2013-3650 which addresses a different vulnerability within the same software version, this issue specifically focuses on the improper handling of user-supplied data that could be manipulated to traverse directory structures and access unauthorized files. The flaw stems from insufficient sanitization of input parameters that are processed by these PHP classes, allowing attackers to craft malicious requests that bypass normal file access controls and retrieve sensitive image content.
The technical implementation of this directory traversal vulnerability occurs when the application processes user input through the SC_CheckError.php and SC_FormParam.php files without adequate validation of file paths or directory references. Attackers can manipulate parameters passed to these classes to include directory traversal sequences such as ../ or ..\ that cause the application to navigate outside of its intended directory structure. When the application processes these malformed inputs, it fails to properly sanitize or validate the paths, allowing the system to resolve and return files from arbitrary locations on the server filesystem. The vulnerability is particularly concerning because it specifically targets image files, which may contain sensitive information such as customer data, internal documents, or system configuration details that could be embedded within image metadata. This flaw operates under the CWE-22 classification as a weakness in directory traversal, where improper input validation allows attackers to access files outside of the intended directory scope.
The operational impact of CVE-2013-3654 extends beyond simple information disclosure, as it provides attackers with the capability to access potentially sensitive image files that may contain confidential data. An attacker exploiting this vulnerability could retrieve images containing customer information, internal documents, system configuration files, or other sensitive materials that are stored in the application's image directories. The remote nature of this vulnerability means that attackers do not require physical access to the server or local network privileges to exploit the flaw, making it particularly dangerous for online applications. The vulnerability affects the core functionality of the EC-CUBE platform's form validation and error handling components, potentially compromising the integrity of the entire application. Organizations running affected versions of EC-CUBE face significant risks including data breaches, compliance violations, and potential regulatory penalties due to unauthorized access to stored image files that may contain personally identifiable information or other sensitive business data.
Mitigation strategies for CVE-2013-3654 should focus on immediate patching of affected EC-CUBE versions to the latest stable releases that contain fixes for this directory traversal vulnerability. Organizations should implement proper input validation and sanitization measures within the affected PHP classes, ensuring that all user-supplied parameters are properly validated before being processed. The implementation of a whitelist approach for file operations, where only explicitly allowed file paths are permitted, provides an additional layer of protection against directory traversal attacks. Network segmentation and access controls should be enforced to limit exposure of the vulnerable application to untrusted networks, while regular security monitoring and log analysis should be implemented to detect potential exploitation attempts. Organizations should also consider implementing web application firewalls that can detect and block common directory traversal patterns, and conduct thorough security assessments of their web applications to identify similar vulnerabilities in other components. The vulnerability aligns with ATT&CK technique T1083 (File and Directory Discovery) and T1190 (Exploit Public-Facing Application) which emphasizes the importance of proper input validation and application security hardening to prevent unauthorized access to sensitive files through directory traversal attacks.