CVE-2005-2330 in osCommerce
Summary
by MITRE
Directory traversal vulnerability in extras/update.php in osCommerce 2.2 allows remote attackers to read arbitrary files via (1) .. sequences or (2) a full pathname in the readme_file parameter.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 09/10/2025
The vulnerability identified as CVE-2005-2330 represents a critical directory traversal flaw within the osCommerce 2.2 e-commerce platform, specifically affecting the extras/update.php component. This weakness enables malicious actors to access arbitrary files on the server by manipulating the readme_file parameter through two distinct attack vectors. The vulnerability stems from insufficient input validation and improper sanitization of user-supplied data, creating an exploitable path traversal condition that fundamentally compromises the application's file access controls. Such flaws are particularly dangerous in web applications where user input directly influences file system operations, as they can lead to complete system compromise through unauthorized data access.
The technical implementation of this vulnerability resides in the improper handling of the readme_file parameter within the update.php script. When an attacker supplies a crafted payload containing directory traversal sequences such as .. or full pathnames, the application fails to properly validate or sanitize these inputs before using them in file operations. This allows the attacker to navigate outside the intended directory structure and access files that should remain protected, potentially including configuration files, database credentials, or other sensitive system components. The vulnerability operates at the application layer and can be exploited remotely without requiring authentication, making it particularly attractive to threat actors seeking to gather intelligence or escalate privileges within compromised systems. According to CWE classification, this represents a direct instance of CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal').
The operational impact of CVE-2005-2330 extends far beyond simple information disclosure, as successful exploitation can lead to complete system compromise and unauthorized access to sensitive data. Attackers can leverage this vulnerability to read critical system files including database configuration files that may contain administrative credentials, application source code that reveals additional attack surfaces, and potentially even system configuration files that could provide insights into network topology or security controls. The vulnerability also enables attackers to potentially execute arbitrary code if they can manipulate writable directories or upload malicious files, as the directory traversal capability often serves as a stepping stone for more sophisticated attacks. From an ATT&CK framework perspective, this vulnerability maps to T1083: File and Directory Discovery and T1566: Phishing, as it facilitates reconnaissance activities and can be used to gather intelligence for further exploitation phases. The vulnerability affects not just individual files but entire directory structures, potentially exposing sensitive information that could be used for privilege escalation, lateral movement, or data exfiltration. Organizations running vulnerable osCommerce installations face significant risk of data breaches, regulatory compliance violations, and potential legal consequences due to the exposure of sensitive customer information and system configurations that could be accessed through this flaw.
Mitigation strategies for CVE-2005-2330 require immediate implementation of input validation and sanitization measures to prevent directory traversal attacks. Organizations should ensure that all user-supplied inputs are properly validated and sanitized before being used in file system operations, implementing strict parameter validation that rejects any input containing directory traversal sequences. The recommended approach includes implementing a whitelist-based validation system that only accepts known good file paths and rejecting any input that attempts to navigate outside the intended directory structure. Additionally, implementing proper access controls and privilege separation can limit the damage from successful exploitation attempts. The most effective long-term solution involves upgrading to a supported version of osCommerce that addresses this vulnerability, as the original 2.2 version is no longer maintained and likely contains additional unpatched security flaws. System administrators should also implement web application firewalls and intrusion detection systems to monitor for exploitation attempts, while conducting regular security assessments to identify and remediate similar vulnerabilities in other applications. According to industry best practices, this type of vulnerability should be addressed through comprehensive security coding practices that emphasize input validation, proper error handling, and defense-in-depth strategies to prevent similar issues from occurring in other components of the application stack.