CVE-2009-4701 in Myth download
Summary
by MITRE
SQL injection vulnerability in the Myth download (myth_download) extension 0.1.0 for TYPO3 allows remote attackers to execute arbitrary SQL commands via unspecified vectors.
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Analysis
by VulDB Data Team • 05/02/2026
The CVE-2009-4701 vulnerability represents a critical sql injection flaw within the myth_download extension version 0.1.0 for the TYPO3 content management system. This vulnerability resides in the extension's handling of user input parameters that are directly incorporated into sql query construction without proper sanitization or parameterization. The flaw allows remote attackers to manipulate database operations by injecting malicious sql code through unspecified input vectors within the extension's functionality. The vulnerability specifically affects the myth_download extension which is designed to manage file downloads and related operations within TYPO3 environments.
The technical implementation of this vulnerability stems from improper input validation and sanitization practices within the extension's codebase. When user-supplied parameters are directly concatenated into sql statements without appropriate escaping or parameter binding mechanisms, attackers can craft malicious input that alters the intended sql query execution flow. This creates a condition where database commands can be executed with the privileges of the web application's database user account. The unspecified vectors suggest that multiple input points within the extension may be susceptible to this manipulation, making the attack surface broader than initially apparent. According to the common weakness enumeration framework, this vulnerability maps directly to CWE-89 sql injection, which is classified as a high-severity weakness that consistently ranks among the top ten web application security risks.
The operational impact of this vulnerability extends beyond simple data theft or modification, as it provides attackers with the capability to execute arbitrary sql commands on the underlying database server. This can result in complete database compromise, data exfiltration, privilege escalation within the application, and potential lateral movement within the network infrastructure. The myth_download extension's functionality as a file download manager means that successful exploitation could provide attackers with access to sensitive files, user credentials, and other confidential data stored within the database. The remote nature of this vulnerability means that attackers do not require local system access or physical proximity to exploit the flaw, making it particularly dangerous for publicly accessible web applications. This vulnerability aligns with several techniques documented in the attack tactics and techniques framework, specifically those related to command execution and data manipulation.
Mitigation strategies for CVE-2009-4701 must address both immediate remediation and long-term security hardening measures. The primary recommendation involves upgrading to a patched version of the myth_download extension or implementing proper input validation and parameterization techniques within the existing codebase. Database access should be restricted to the minimum required privileges for the web application, and all user inputs should be properly sanitized using prepared statements or parameterized queries. Additionally, implementing web application firewalls and intrusion detection systems can help detect and prevent exploitation attempts. Organizations should also conduct comprehensive security assessments of their TYPO3 installations to identify other potentially vulnerable extensions or components. The vulnerability highlights the critical importance of maintaining up-to-date software versions and implementing proper code review processes that focus on sql injection prevention techniques. Regular security monitoring and vulnerability scanning should be employed to identify similar issues across the entire application infrastructure.