CVE-2009-4967 in Car
Summary
by MITRE
SQL injection vulnerability in the Car (car) extension before 0.1.1 for TYPO3 allows remote attackers to execute arbitrary SQL commands via unspecified vectors.
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Analysis
by VulDB Data Team • 02/06/2019
The CVE-2009-4967 vulnerability represents a critical SQL injection flaw within the Car extension for TYPO3 content management system, specifically affecting versions prior to 0.1.1. This vulnerability resides in the Car extension's handling of user input within database queries, creating a pathway for malicious actors to manipulate the underlying database infrastructure. The flaw manifests when the extension processes data through unsanitized input parameters, allowing attackers to inject malicious SQL commands that bypass normal authentication and authorization mechanisms. The vulnerability's impact extends beyond simple data theft, as it can enable complete database compromise and unauthorized administrative access to the TYPO3 installation.
The technical implementation of this vulnerability stems from improper input validation and query construction within the Car extension's database interaction code. Attackers can exploit this weakness by crafting malicious input that gets directly incorporated into SQL statements without adequate sanitization or parameterization. This allows for arbitrary SQL command execution, potentially enabling attackers to extract sensitive information, modify database records, or even delete entire database tables. The unspecified vectors suggest that multiple entry points within the extension could be exploited, making the vulnerability particularly dangerous as it may not be easily predictable or isolated. The vulnerability aligns with CWE-89, which specifically addresses SQL injection flaws where untrusted data is incorporated into SQL queries without proper validation or escaping mechanisms.
The operational impact of CVE-2009-4967 is severe and multifaceted, as it provides remote attackers with a direct pathway to compromise the entire TYPO3 installation. Successful exploitation can result in complete data breaches, where sensitive user information, configuration details, and business data become accessible to unauthorized parties. The vulnerability also enables attackers to escalate privileges within the system, potentially gaining administrative control over the CMS and all associated websites. Organizations using affected versions of the Car extension face significant risk of reputational damage, regulatory compliance violations, and potential financial losses due to data breaches. The remote nature of the attack means that exploitation can occur from anywhere on the internet without requiring physical access to the system or knowledge of internal network structures.
Mitigation strategies for CVE-2009-4967 must prioritize immediate remediation through the upgrade of the Car extension to version 0.1.1 or later, which contains the necessary patches to address the SQL injection vulnerability. Organizations should also implement comprehensive input validation and parameterized queries throughout their TYPO3 installations to prevent similar vulnerabilities from emerging in other extensions or custom code. Network segmentation and intrusion detection systems can provide additional layers of defense by monitoring for suspicious database query patterns and unauthorized access attempts. Regular security audits and penetration testing should be conducted to identify and remediate similar vulnerabilities within the broader TYPO3 ecosystem. The ATT&CK framework categorizes this vulnerability under T1190 - Exploit Public-Facing Application, highlighting the need for organizations to maintain up-to-date application security practices and implement proper access controls to minimize exposure to such threats.