CVE-2010-4902 in Clantools
Summary
by MITRE
Multiple SQL injection vulnerabilities in the Clantools (com_clantools) component 1.2.3 for Joomla! allow remote attackers to execute arbitrary SQL commands via the (1) squad or (2) showgame parameter to index.php.
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Analysis
by VulDB Data Team • 07/13/2025
The CVE-2010-4902 vulnerability represents a critical SQL injection flaw within the Clantools component version 1.2.3 for Joomla! platforms. This vulnerability stems from inadequate input validation and sanitization mechanisms within the component's handling of user-supplied parameters. The flaw specifically affects two parameter fields in the index.php script where the squad and showgame parameters are processed without proper security measures, creating exploitable entry points for malicious actors. The vulnerability resides in the component's database interaction logic where user input directly influences SQL query construction without appropriate escaping or parameterization techniques.
The technical exploitation of this vulnerability occurs when remote attackers submit malicious input through the affected parameters to the index.php script. When the component processes these parameters, it incorporates them directly into SQL queries without sanitization, allowing attackers to manipulate the database query structure. This enables attackers to inject arbitrary SQL commands that execute with the privileges of the web application's database user. The vulnerability can be leveraged to extract sensitive data, modify database contents, or potentially escalate privileges within the affected Joomla! installation. The flaw demonstrates a classic lack of input validation that aligns with CWE-89, which specifically addresses SQL injection vulnerabilities.
The operational impact of CVE-2010-4902 extends beyond simple data theft, as it can enable full database compromise and potentially lead to complete system takeover. Attackers can exploit this vulnerability to access sensitive user information, including login credentials, personal data, and administrative details. The vulnerability affects Joomla! installations using the specific Clantools component version, making it particularly dangerous for gaming communities and organizations that rely on clan management features. The remote nature of the attack means that exploitation can occur from anywhere on the internet, without requiring local access or authentication to the target system. This vulnerability directly maps to attack techniques described in the MITRE ATT&CK framework under the T1071.004 sub-technique for Application Layer Protocol: Web Protocols, and T1190 for Exploit Public-Facing Application.
Mitigation strategies for CVE-2010-4902 require immediate action to address the root cause through proper input sanitization and parameter validation. Organizations should upgrade to the latest version of the Clantools component where the vulnerability has been patched, as version 1.2.3 contained the exploitable flaw. Security measures should include implementing proper input validation that filters or escapes all user-supplied data before database interaction, employing prepared statements or parameterized queries to prevent SQL injection, and applying the principle of least privilege to database accounts used by the web application. Additionally, network-level protections such as web application firewalls and intrusion detection systems should be configured to monitor for suspicious parameter patterns. Regular security audits and vulnerability assessments should be conducted to identify similar flaws in other components of the Joomla! installation, as this vulnerability demonstrates the importance of proper input handling in web applications. The remediation process should also include monitoring database logs for unusual query patterns and implementing proper access controls to limit the potential damage from any successful exploitation attempts.