CVE-2007-1126 in Xt-commerce Community Made Shopping
Summary
by MITRE
Directory traversal vulnerability in index.php in xtcommerce allows remote attackers to read arbitrary files via a .. (dot dot) in the template parameter.
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Analysis
by VulDB Data Team • 10/13/2017
The vulnerability identified as CVE-2007-1126 represents a classic directory traversal flaw within the xtcommerce e-commerce platform's index.php script. This weakness specifically manifests in the handling of the template parameter where the application fails to properly validate or sanitize user-supplied input before using it to construct file paths. The vulnerability stems from the application's insufficient input validation mechanisms that allow malicious actors to manipulate the template parameter by injecting ../ sequences, thereby enabling unauthorized access to files outside the intended directory structure.
From a technical perspective, this directory traversal vulnerability operates by exploiting the lack of proper input sanitization in the template parameter processing logic. When an attacker supplies a crafted template parameter containing directory traversal sequences, the application processes these inputs without adequate filtering, allowing the traversal to occur. The vulnerability specifically affects the index.php file in xtcommerce, which serves as the primary entry point for the platform's web interface. This flaw creates a path traversal condition where the application's file access routines can be manipulated to access arbitrary files on the server filesystem, potentially exposing sensitive configuration files, database credentials, or other critical system resources.
The operational impact of this vulnerability extends beyond simple file access, as it can enable attackers to escalate their privileges and gain deeper system access. An attacker who successfully exploits this vulnerability could potentially read sensitive files such as database configuration files, administrative credentials, or other system files that contain confidential information. The vulnerability also poses risks to data integrity and confidentiality, as it may allow attackers to access or modify files that should remain protected. The attack vector is particularly concerning because it requires no special privileges or authentication, making it accessible to any remote attacker who can interact with the xtcommerce web interface.
Security professionals should consider this vulnerability in relation to CWE-22, which specifically addresses improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal. The flaw aligns with the ATT&CK framework's technique T1083, which covers the discovery of system information through directory listing and file access techniques. Organizations using xtcommerce systems should implement immediate mitigations including input validation and sanitization of all user-supplied parameters, particularly those used in file path construction. The recommended approach involves implementing strict parameter validation that rejects or filters out directory traversal sequences before they can be processed by the application. Additionally, the principle of least privilege should be enforced by ensuring that web application processes run with minimal required permissions and that file access is restricted to only necessary directories. Regular security audits and input validation testing should be conducted to prevent similar vulnerabilities from emerging in other components of the application stack.