CVE-2009-4968 in Event Registr
Summary
by MITRE
SQL injection vulnerability in the Event Registration (event_registr) extension 1.0.0 and earlier for TYPO3 allows remote attackers to execute arbitrary SQL commands via unspecified vectors.
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Analysis
by VulDB Data Team • 01/02/2018
The CVE-2009-4968 vulnerability represents a critical SQL injection flaw within the Event Registration extension for TYPO3 content management system. This vulnerability affects versions 1.0.0 and earlier of the event_registr extension, creating a significant security risk for TYPO3 installations that utilize this particular module. The flaw enables remote attackers to execute arbitrary SQL commands against the underlying database, potentially leading to complete system compromise and data exfiltration. The vulnerability stems from insufficient input validation and sanitization within the extension's database interaction mechanisms, allowing malicious actors to inject malicious SQL code through unspecified attack vectors.
The technical nature of this vulnerability aligns with CWE-89, which specifically addresses SQL injection weaknesses in software applications. This classification indicates that the extension fails to properly escape or validate user-supplied input before incorporating it into SQL queries, creating an avenue for attackers to manipulate database operations. The attack vectors remain unspecified in the original description, suggesting that multiple entry points within the extension could be exploited, potentially including form submissions, URL parameters, or API endpoints that process user data for event registration purposes. The vulnerability's remote exploitability means that attackers can leverage this flaw without requiring physical access to the system or local network privileges.
From an operational impact perspective, this vulnerability presents severe consequences for organizations using affected TYPO3 installations. Successful exploitation could allow attackers to extract sensitive information from the database, including user credentials, personal data, and system configuration details. The attacker might also gain the ability to modify or delete database records, potentially corrupting event registration data or even escalating privileges within the application. Furthermore, the compromise of the database could lead to additional attacks such as data poisoning, privilege escalation, or the establishment of persistent backdoors. The impact extends beyond immediate data loss to potential service disruption and regulatory compliance violations, particularly in environments handling sensitive personal or financial information.
Organizations affected by this vulnerability should immediately implement mitigations including updating to the latest version of the Event Registration extension where available, applying any vendor-provided patches, and implementing proper input validation measures. Network-level protections such as web application firewalls can provide additional defense-in-depth, though they should not be considered a complete solution. The remediation process should include thorough code review of the extension to identify and address similar input validation issues, along with comprehensive testing to ensure that the applied fixes do not introduce new functionality problems. Security monitoring should be enhanced to detect potential exploitation attempts, and access controls should be reviewed to minimize the potential impact of any successful attacks. The vulnerability also underscores the importance of maintaining up-to-date software components and following secure coding practices to prevent similar issues in other parts of the application stack, aligning with ATT&CK technique T1071.004 for application layer attacks and T1566 for credential access through application vulnerabilities.