CVE-2006-6339 in Devilz Clanportal
Summary
by MITRE
SQL injection vulnerability in sites/index.php in deV!L`z Clanportal (DZCP) before 1.3.6.1 allows remote attackers to execute arbitrary SQL commands via the show element in a GET request.
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Analysis
by VulDB Data Team • 10/10/2025
The vulnerability identified as CVE-2006-6339 represents a critical SQL injection flaw within the deV!L`z Clanportal (DZCP) web application framework. This vulnerability specifically affects versions prior to 1.3.6.1 and resides in the sites/index.php file where the application fails to properly sanitize user input passed through the show element in GET requests. The flaw enables remote attackers to inject malicious SQL commands directly into the application's database query execution process, potentially compromising the entire backend database infrastructure.
The technical exploitation of this vulnerability occurs through improper input validation and sanitization mechanisms within the DZCP application's parameter handling system. When a user submits a GET request containing a malicious show parameter, the application directly incorporates this unvalidated input into SQL query construction without adequate escaping or parameterization. This design flaw falls under the Common Weakness Enumeration category CWE-89, which specifically addresses SQL injection vulnerabilities where insufficient validation of input data allows attackers to manipulate database queries. The vulnerability demonstrates a classic lack of input sanitization that violates fundamental secure coding practices.
The operational impact of this vulnerability extends beyond simple data theft, as remote attackers can execute arbitrary SQL commands with the privileges of the database user account. This capability allows for complete database compromise, including unauthorized data access, modification, or deletion of sensitive information. Attackers can potentially escalate privileges to gain administrative access to the application, extract user credentials, and perform unauthorized modifications to the clan portal's content management system. The vulnerability affects not only the database integrity but also the overall security posture of the web application, potentially exposing user accounts, clan member information, and other sensitive data stored within the system.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term security improvements. The primary solution involves updating to DZCP version 1.3.6.1 or later, which includes proper input validation and sanitization mechanisms. Organizations should implement comprehensive input filtering techniques, including parameterized queries and proper escaping of special characters in all database interactions. Additionally, the application should employ principle of least privilege for database connections, ensuring that the web application only has necessary permissions to perform its intended functions. Security measures should also include regular vulnerability scanning, input validation testing, and implementation of web application firewalls to detect and prevent malicious SQL injection attempts. The remediation process should follow established security frameworks such as those outlined in the ATT&CK framework's database access techniques, ensuring comprehensive protection against similar vulnerabilities in the future.