CVE-2010-4929 in Com Ezautos
Summary
by MITRE
SQL injection vulnerability in the Joostina (com_ezautos) component for Joomla! allows remote attackers to execute arbitrary SQL commands via the firstCode parameter in a helpers action to index.php.
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Analysis
by VulDB Data Team • 08/04/2025
The CVE-2010-4929 vulnerability represents a critical SQL injection flaw within the Joostina content management system, specifically affecting the com_ezautos component. This vulnerability exists in the Joomla! platform and creates a significant security risk for organizations relying on this software stack. The flaw manifests when the application fails to properly sanitize user input before incorporating it into SQL queries, allowing malicious actors to manipulate database operations through crafted input parameters.
The technical implementation of this vulnerability occurs within the helpers action of the index.php file where the firstCode parameter is processed without adequate input validation or sanitization. When an attacker submits malicious SQL commands through this parameter, the application incorporates these commands directly into database queries without proper escaping or parameterization. This design flaw aligns with CWE-89, which categorizes SQL injection vulnerabilities as a direct consequence of inadequate input validation and improper query construction. The vulnerability specifically targets the com_ezautos component, which is a third-party extension for Joomla! that provides auto-related functionality, making it a common target for exploitation due to its widespread installation.
The operational impact of this vulnerability extends far beyond simple data theft, as it enables complete database compromise and potential system takeover. Remote attackers can execute arbitrary SQL commands, which may include data extraction, modification, or deletion operations, potentially leading to full system compromise. The vulnerability's remote exploitability means that attackers do not require physical access or local credentials to leverage this flaw, significantly expanding the attack surface. According to ATT&CK framework, this vulnerability maps to T1190 - Exploit Public-Facing Application, as it targets publicly accessible web applications through well-known attack vectors. The consequences include unauthorized data access, data corruption, privilege escalation, and potential backdoor installation, making it a high-priority security concern for any organization using affected versions of Joostina or Joomla! with the vulnerable component.
Mitigation strategies for CVE-2010-4929 require immediate action to address the root cause through proper input validation and parameterized queries. Organizations should implement comprehensive patch management procedures to upgrade to patched versions of both Joostina and the com_ezautos component, as vendors typically release security updates to address such vulnerabilities. Input sanitization measures should include proper escaping of special characters, implementation of prepared statements, and validation of parameter types before database interaction. Network-level protections such as web application firewalls can provide additional defense-in-depth, though they should not replace proper code-level fixes. Security monitoring should include detection of unusual database query patterns and unauthorized access attempts. The vulnerability demonstrates the importance of secure coding practices and regular security assessments, particularly for third-party components that may not receive the same level of security scrutiny as core platform components. Organizations should also consider implementing principle of least privilege access controls and regular database audits to minimize potential damage from successful exploitation attempts.