CVE-2009-3501 in BPStudents
Summary
by MITRE
SQL injection vulnerability in students.php in BPowerHouse BPStudents 1.0 allows remote attackers to execute arbitrary SQL commands via the test parameter in a preview action.
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Analysis
by VulDB Data Team • 01/22/2019
The vulnerability identified as CVE-2009-3501 represents a critical SQL injection flaw within the BPowerHouse BPStudents 1.0 web application. This vulnerability specifically targets the students.php script and affects the preview functionality when processing the test parameter. The flaw enables remote attackers to inject malicious SQL commands directly into the application's database layer, potentially compromising the entire backend system. The vulnerability falls under the common weakness enumeration CWE-89 which categorizes SQL injection as a fundamental web application security flaw where untrusted data is directly incorporated into SQL queries without proper sanitization or parameterization.
The technical implementation of this vulnerability occurs when the application fails to properly validate or escape user input received through the test parameter in the preview action. When a malicious actor submits crafted SQL payload through this parameter, the application processes the input directly within the SQL query structure without adequate input filtering or prepared statement usage. This allows attackers to manipulate the intended database query execution flow, potentially gaining unauthorized access to sensitive data, modifying database contents, or even executing administrative commands on the underlying database system. 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 in networked environments.
The operational impact of this vulnerability extends beyond simple data theft, as it provides attackers with potential pathways for persistent access and further system compromise. Successful exploitation could result in complete database compromise, leading to unauthorized data modification, deletion of critical student information, or exposure of confidential academic records. The vulnerability also creates opportunities for attackers to escalate privileges within the application, potentially gaining administrative control over the entire BPStudents system. According to the attack technique framework, this vulnerability maps to ATT&CK technique T1071.004 which covers application layer protocol manipulation, and T1046 which involves network service scanning to identify vulnerable systems.
Mitigation strategies for CVE-2009-3501 must focus on implementing proper input validation and parameterized queries to prevent SQL injection attacks. Organizations should immediately apply the vendor-supplied patch if available, or implement proper input sanitization techniques that escape or validate all user-supplied data before processing. The implementation of prepared statements or parameterized queries should be mandatory for all database interactions within the application. Additionally, the principle of least privilege should be enforced by ensuring database accounts used by the web application have minimal required permissions. Network segmentation and intrusion detection systems should monitor for suspicious SQL injection patterns, while regular security audits and code reviews should be conducted to identify similar vulnerabilities in other application components. The vulnerability highlights the importance of following secure coding practices and adhering to the OWASP Top Ten security guidelines, particularly those addressing injection flaws and input validation.