CVE-2007-1167 in deV!L`z Clanportal
Summary
by MITRE
inc/filebrowser/browser.php in deV!L`z Clanportal (DZCP) 1.4.5 and earlier allows remote attackers to obtain MySQL data via the inc/mysql.php value of the file parameter.
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Analysis
by VulDB Data Team • 08/25/2024
The vulnerability identified as CVE-2007-1167 affects deV!l`z Clanportal version 1.4.5 and earlier, representing a critical path traversal flaw that enables remote attackers to access sensitive MySQL database information. This vulnerability exists within the filebrowser component of the application, specifically in the inc/filebrowser/browser.php script which processes user-supplied file parameters without adequate input validation or sanitization. The flaw allows malicious actors to manipulate the file parameter to traverse the filesystem and access the inc/mysql.php file, which typically contains database connection credentials and configuration details.
The technical implementation of this vulnerability stems from improper parameter handling within the filebrowser functionality. When the application processes the file parameter, it directly incorporates user input into file system operations without sufficient validation or sanitization measures. This creates an arbitrary file access condition where attackers can specify any file path within the application's directory structure, potentially leading to exposure of database credentials, configuration files, and other sensitive system information. The vulnerability is classified as a path traversal issue that aligns with CWE-22, which specifically addresses improper limitation of a pathname to a restricted directory. The flaw operates at the application layer where user input is not properly filtered before being used in file system operations.
The operational impact of this vulnerability extends beyond simple information disclosure, as it provides attackers with critical database access information that could enable further exploitation of the system. Once attackers obtain the MySQL connection details, they can potentially access, modify, or exfiltrate all data stored within the database. This vulnerability represents a significant security risk for clan portals and community websites that rely on deV!l`z Clanportal, as it undermines the fundamental security assumptions of database isolation and access control. The remote nature of the attack means that no local system access is required, making the vulnerability particularly dangerous for publicly accessible web applications. From an attacker's perspective, this vulnerability maps to several techniques in the MITRE ATT&CK framework, including T1083 (File and Directory Discovery) and T1566 (Phishing), as it enables initial access to database credentials that can be used for more sophisticated attacks.
Mitigation strategies for this vulnerability require immediate implementation of input validation and parameter sanitization within the application code. The most effective approach involves implementing strict whitelisting of acceptable file paths and rejecting any user input that attempts to traverse directories or access system files. Additionally, the application should be updated to a patched version that addresses this specific path traversal vulnerability, as deV!l`z Clanportal version 1.4.5 and earlier are no longer supported. System administrators should also implement proper access controls and file permissions to limit the exposure of sensitive configuration files. Network-level protections such as web application firewalls can provide additional defense in depth, though they should not be relied upon as the sole mitigation. Regular security audits and penetration testing should be conducted to identify similar vulnerabilities in other components of the web application infrastructure. The vulnerability also highlights the importance of following secure coding practices and implementing proper input validation as outlined in the OWASP Top Ten security principles, particularly focusing on preventing path traversal attacks and ensuring proper access control mechanisms are in place to protect sensitive system resources.