CVE-2006-6218 in dev4u
Summary
by MITRE
Multiple SQL injection vulnerabilities in index.php in dev4u CMS allow remote attackers to execute arbitrary SQL commands via the (1) seite_id, (2) gruppe_id.php, and (3) go_target parameters.
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Analysis
by VulDB Data Team • 09/27/2017
The vulnerability identified as CVE-2006-6218 represents a critical SQL injection flaw within the dev4u content management system, specifically affecting the index.php script. This vulnerability exposes the system to remote code execution risks through three distinct parameter injection points that collectively undermine the application's database security posture. The affected parameters include seite_id, gruppe_id.php, and go_target, each providing potential attack vectors for malicious actors seeking to manipulate the underlying database infrastructure.
This SQL injection vulnerability stems from inadequate input validation and sanitization within the dev4u CMS framework, allowing attackers to inject malicious SQL commands through user-controllable parameters. The flaw operates under CWE-89, which classifies SQL injection as a direct consequence of insufficient input filtering and improper parameter handling in database query construction. When these parameters are manipulated by an attacker, the CMS fails to properly escape or validate user input before incorporating it into SQL statements, creating opportunities for unauthorized database access and manipulation.
The operational impact of this vulnerability extends beyond simple data theft, as it enables full database compromise through remote execution capabilities. Attackers can leverage these injection points to extract sensitive information, modify database content, create new user accounts with administrative privileges, or even execute system commands if the database server allows such operations. The vulnerability affects the entire CMS functionality since the index.php script serves as a core component for page rendering and user interaction, making the exploitation potentially widespread across the application's features. This type of vulnerability directly aligns with ATT&CK technique T1071.004, which describes application layer protocol manipulation, and T1190, which covers exploit public-facing applications.
Mitigation strategies for CVE-2006-6218 require immediate implementation of proper input validation and parameterized queries throughout the dev4u CMS codebase. Organizations should enforce strict parameter sanitization for all user inputs, particularly the identified vulnerable parameters, and implement prepared statements or stored procedures to prevent SQL injection attacks. Additionally, the CMS should be updated to a patched version that addresses these specific vulnerabilities, as the original codebase appears to lack proper security measures against such attacks. Network-level protections including web application firewalls and database access controls should also be implemented to reduce the attack surface and provide additional defense-in-depth measures. Regular security audits and code reviews focusing on input handling and database interaction patterns are essential to prevent similar vulnerabilities from emerging in future versions of the CMS.