CVE-2009-3356 in Image voting
Summary
by MITRE
SQL injection vulnerability in index.php in Image voting 1.0 allows remote attackers to execute arbitrary SQL commands via the show parameter.
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Analysis
by VulDB Data Team • 12/14/2024
The CVE-2009-3356 vulnerability represents a critical sql injection flaw in the Image voting 1.0 web application that exposes a fundamental weakness in input validation and query construction. This vulnerability specifically targets the index.php script where the show parameter is processed without proper sanitization, creating an exploitable entry point for malicious actors to manipulate database queries. The flaw resides in the application's failure to implement proper parameterized queries or input filtering mechanisms, allowing attackers to inject malicious sql code directly through the web interface.
This vulnerability operates at the application layer and falls under the common weakness enumeration category of cwe-89 sql injection, which is classified as a high severity issue in the owasp top ten security risks. The attack vector is particularly dangerous because it enables remote code execution without requiring authentication or specialized privileges, making it accessible to any attacker who can interact with the vulnerable web application. The show parameter serves as the primary attack surface where user-supplied data is directly concatenated into sql statements without proper escaping or validation, creating a direct path for sql command injection attacks.
The operational impact of this vulnerability extends beyond simple data theft, as successful exploitation can lead to complete database compromise, unauthorized access to sensitive information, and potential system takeover. Attackers can leverage this vulnerability to extract confidential data, modify database contents, create new user accounts, or even escalate privileges within the affected system. The vulnerability affects the integrity and confidentiality of the application's data, potentially exposing personal information, voting records, or other sensitive data stored in the backend database. This represents a significant threat to the availability and authenticity of the image voting system's data.
Mitigation strategies for CVE-2009-3356 must focus on implementing proper input validation and parameterized queries to prevent sql injection attacks. The recommended approach involves replacing direct string concatenation with prepared statements or parameterized queries that separate sql code from user input. Organizations should also implement proper input sanitization techniques, including character encoding, length validation, and whitelist-based input filtering to ensure that only expected data formats are processed. Additionally, regular security code reviews, web application firewalls, and database access controls should be implemented to provide defense-in-depth measures. The vulnerability demonstrates the critical importance of following secure coding practices and adhering to established security frameworks such as the owasp secure coding practices to prevent such widespread and dangerous flaws in web applications.