CVE-2007-3909 in Bandersnatch
Summary
by MITRE
Multiple SQL injection vulnerabilities in Bandersnatch 0.4 allow remote attackers to execute arbitrary SQL commands via the (1) date and (2) limit parameters to index.php, and other unspecified vectors.
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Analysis
by VulDB Data Team • 06/15/2025
The vulnerability described in CVE-2007-3909 represents a critical security flaw in the Bandersnatch 0.4 web application that exposes multiple SQL injection attack vectors. This vulnerability affects the application's handling of user input parameters, specifically targeting the date and limit parameters within the index.php file. The flaw allows remote attackers to inject malicious SQL code that can be executed on the underlying database server, potentially leading to complete system compromise and unauthorized data access. The vulnerability's classification as a SQL injection issue places it squarely within the scope of CWE-89, which specifically addresses improper neutralization of special elements used in SQL commands, making it a well-documented and dangerous class of vulnerability in web applications.
The technical exploitation of this vulnerability occurs when user-supplied input from the date and limit parameters is directly incorporated into SQL query construction without proper sanitization or parameterization. This primitive input handling allows attackers to manipulate the SQL execution flow by injecting malicious payloads that can bypass authentication, extract sensitive data, modify database contents, or even execute system commands on the database server. The unspecified vectors mentioned in the description suggest that additional attack surfaces within the application may also be susceptible to similar injection flaws, indicating a broader architectural weakness in input validation and query construction practices. This type of vulnerability typically aligns with ATT&CK technique T1190, which covers exploitation of remote services through injection attacks, and represents a classic example of poor input validation that can be leveraged for data exfiltration and system compromise.
The operational impact of CVE-2007-3909 extends far beyond simple data theft, as successful exploitation can enable attackers to gain persistent access to the database infrastructure and potentially escalate privileges within the application environment. Attackers can leverage this vulnerability to perform unauthorized data manipulation, including creating new user accounts, modifying existing records, deleting critical information, or extracting sensitive personal data that may be stored in the database. The remote nature of the attack means that exploitation can occur from any location without requiring physical access to the system, making it particularly dangerous for web applications handling sensitive information. Organizations using Bandersnatch 0.4 are at significant risk of data breaches and regulatory compliance violations, especially if the application processes personal identifiable information or financial data. The vulnerability's age and the specific version affected suggest that this represents a legacy application security issue that was likely not properly addressed during the application's development lifecycle, highlighting the importance of secure coding practices and regular security assessments.
Mitigation strategies for this vulnerability must focus on implementing proper input validation and parameterized queries throughout the application codebase. The most effective immediate solution involves replacing direct string concatenation of user input with prepared statements or parameterized queries that separate SQL command structure from data values. This approach directly addresses the root cause of the vulnerability by ensuring that user input cannot alter the intended structure of SQL commands. Organizations should also implement comprehensive input sanitization measures, including character filtering, length restrictions, and regular expression validation for all parameters that interact with database systems. Additionally, the application should be updated to a newer version of Bandersnatch that addresses this vulnerability, or the affected code should be rewritten with secure coding practices. Network-level protections such as web application firewalls and intrusion detection systems can provide additional layers of defense, while regular security audits and penetration testing should be conducted to identify and remediate similar vulnerabilities throughout the application infrastructure. The implementation of proper access controls and database privilege management can further limit the potential damage from successful exploitation attempts, ensuring that even if an attacker gains access, they cannot perform unauthorized operations on the database.