CVE-2009-3438 in Com Facebook
Summary
by MITRE
SQL injection vulnerability in the JoomlaFacebook (com_facebook) component for Joomla! allows remote attackers to execute arbitrary SQL commands via the id parameter in a student action to index.php.
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Analysis
by VulDB Data Team • 06/15/2025
The CVE-2009-3438 vulnerability represents a critical SQL injection flaw within the JoomlaFacebook component for Joomla! version 1.5.0 through 1.5.12. This vulnerability specifically affects the com_facebook component which integrates Facebook functionality into Joomla websites, creating a pathway for malicious actors to exploit the application's database interaction mechanisms. The vulnerability manifests when the application fails to properly sanitize user input passed through the id parameter in the student action context, allowing attackers to inject malicious SQL commands directly into the database query execution flow.
The technical exploitation of this vulnerability occurs through the manipulation of the id parameter within the index.php script when processing student actions. When the JoomlaFacebook component processes this parameter without adequate input validation or parameter binding, attackers can craft malicious SQL payloads that bypass authentication mechanisms and execute arbitrary database commands. The vulnerability stems from improper input sanitization practices where user-supplied data flows directly into SQL query construction without proper escaping or parameterization techniques. This flaw falls under the CWE-89 category of SQL Injection, specifically representing a classic case of unvalidated input leading to database command execution.
The operational impact of this vulnerability extends far beyond simple data theft, as it provides attackers with complete database access capabilities including read, write, and delete operations. Successful exploitation could result in full compromise of the Joomla website, allowing attackers to extract sensitive user information, modify website content, escalate privileges, or even establish persistent backdoors within the application environment. The vulnerability affects websites using the JoomlaFacebook component, making it particularly dangerous for educational institutions or organizations that rely on Facebook integration for student management systems. Attackers could potentially access student records, personal information, and other sensitive data stored within the database, representing a significant privacy and security risk.
Security mitigations for this vulnerability should focus on immediate input validation and parameter binding implementation within the affected JoomlaFacebook component. Organizations should apply the official security patches released by Joomla! for versions 1.5.13 and later, which address the specific SQL injection vulnerability through proper input sanitization and parameterized queries. Additionally, implementing web application firewalls with SQL injection detection capabilities can provide additional defense-in-depth measures. The vulnerability demonstrates the importance of proper input validation as outlined in the OWASP Top Ten security principles and aligns with ATT&CK technique T1071.004 for application layer protocol manipulation. Regular security audits of third-party Joomla components and maintaining updated security practices are essential for preventing similar vulnerabilities from compromising web applications. The incident highlights the critical need for secure coding practices and proper database interaction methodologies to prevent unauthorized access to sensitive information systems.