CVE-2009-4734 in Movies Library
Summary
by MITRE
SQL injection vulnerability in login.php in Allomani Movies Library (Movies & Clips) 2.7.0 allows remote attackers to execute arbitrary SQL commands via the username parameter in a login action.
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Analysis
by VulDB Data Team • 05/02/2026
The vulnerability identified as CVE-2009-4734 represents a critical sql injection flaw within the Allomani Movies Library version 2.7.0 application. This weakness specifically manifests in the login.php script where user input is not properly sanitized before being incorporated into sql query constructions. The vulnerability occurs when the application processes the username parameter during login operations, creating an opportunity for malicious actors to manipulate the underlying database queries through crafted input sequences. The flaw exists due to insufficient input validation and improper parameter handling mechanisms that fail to distinguish between legitimate user data and potentially harmful sql commands.
The technical exploitation of this vulnerability enables remote attackers to execute arbitrary sql commands against the affected database system. When an attacker submits malicious input through the username parameter, the application incorporates this data directly into sql statements without adequate sanitization or parameterization. This allows threat actors to inject sql code that can manipulate database contents, extract sensitive information, modify user accounts, or even escalate privileges within the database environment. The vulnerability operates at the application layer and requires no special privileges to exploit, making it particularly dangerous for web applications that handle user authentication and data storage. This type of flaw falls under the common weakness enumeration category CWE-89, which specifically addresses sql injection vulnerabilities where untrusted data is directly included in sql commands without proper validation or escaping.
The operational impact of CVE-2009-4734 extends beyond simple data theft to encompass complete system compromise potential. Attackers can leverage this vulnerability to gain unauthorized access to user credentials, personal information, and potentially sensitive database structures. The consequences include unauthorized data modification, complete database enumeration, and the possibility of establishing persistent access through backdoor creation or privilege escalation. Organizations using this version of Allomani Movies Library face significant risk of data breaches, regulatory compliance violations, and potential legal ramifications. The vulnerability affects the core authentication mechanism of the application, meaning that successful exploitation could lead to full system compromise and unauthorized administrative access.
Mitigation strategies for this vulnerability require immediate implementation of input validation and parameterized query approaches. The most effective remediation involves implementing proper sql parameterization techniques that separate sql commands from user data, ensuring that all input undergoes rigorous sanitization before database processing. Organizations should also implement web application firewalls and input filtering mechanisms to detect and prevent malicious sql injection attempts. Regular security updates and patches should be applied to eliminate known vulnerabilities, while comprehensive code reviews should be conducted to identify similar patterns in other application components. Additionally, implementing principle of least privilege access controls and database monitoring can help detect unauthorized access attempts. This vulnerability demonstrates the critical importance of following secure coding practices and adheres to defense-in-depth strategies outlined in cybersecurity frameworks, as it represents a fundamental failure in input validation that can be prevented through proper security development lifecycle implementation and adherence to established security standards such as those defined by owasp and nist.