CVE-2005-4039 in Portal Solutions
Summary
by MITRE
Directory traversal vulnerability in arhiva.php in Web4Future Portal Solutions News Portal allows remote attackers to read arbitrary files via the dir parameter.
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Analysis
by VulDB Data Team • 07/28/2017
The directory traversal vulnerability identified in CVE-2005-4039 affects the arhiva.php component of Web4Future Portal Solutions News Portal, representing a critical security flaw that enables remote attackers to access arbitrary files on the affected system. This vulnerability resides within the parameter handling mechanism of the web application, specifically targeting the dir parameter which processes directory navigation requests. The flaw stems from insufficient input validation and sanitization, allowing malicious actors to manipulate file path references through crafted directory traversal sequences such as ../ or ..\ that can bypass normal access controls and escalate privileges.
The technical implementation of this vulnerability aligns with CWE-22, which describes improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal. Attackers can exploit this weakness by injecting malicious directory traversal sequences into the dir parameter, thereby gaining unauthorized access to sensitive files including configuration files, database credentials, application source code, and other system resources that should remain protected. The vulnerability operates at the application layer and can be exploited through simple http requests, making it particularly dangerous as it requires minimal technical expertise to execute successfully.
The operational impact of CVE-2005-4039 extends beyond simple unauthorized file access, as it can lead to complete system compromise and data breaches. Successful exploitation allows attackers to retrieve sensitive information that may include database connection strings, administrative credentials, application logic, and potentially system-level files that could reveal network architecture details. This vulnerability can facilitate further attacks within the network infrastructure, as stolen credentials might enable lateral movement and privilege escalation. The risk is compounded by the fact that this vulnerability was present in a news portal solution, which typically handles user-generated content and may store sensitive data about visitors, publishers, and editorial staff.
Security professionals should implement multiple layers of mitigation for this vulnerability, beginning with immediate patching of the affected Web4Future Portal Solutions News Portal installations. Input validation and sanitization measures must be strengthened to ensure all user-supplied directory parameters are properly validated against a whitelist of acceptable values. The principle of least privilege should be enforced by restricting file system access permissions for the web application and implementing proper access controls. Network segmentation and intrusion detection systems can help monitor for suspicious directory traversal attempts, while regular security audits and code reviews should be conducted to identify similar vulnerabilities. Organizations should also consider implementing web application firewalls to filter malicious requests and maintain comprehensive logging of all file access attempts for forensic analysis. This vulnerability demonstrates the critical importance of secure coding practices and proper input validation as outlined in the OWASP Top Ten security risks, particularly in applications that handle user input and file system operations.