CVE-2009-0332 in Avbooklibrary
Summary
by MITRE
Multiple SQL injection vulnerabilities in AV Book Library before 1.1 allow remote attackers to execute arbitrary SQL commands via unspecified parameters to (1) admin/edit.php, (2) admin/add.php, (3) lib/book_search.php, and possibly other components.
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Analysis
by VulDB Data Team • 10/27/2018
The vulnerability identified as CVE-2009-0332 represents a critical security flaw in the AV Book Library software version 1.0 and earlier, exposing multiple pathways for remote attackers to execute malicious SQL commands through SQL injection techniques. This vulnerability specifically affects the administrative components and book search functionality of the library management system, creating a significant risk for unauthorized access and data manipulation. The flaw stems from inadequate input validation and sanitization within the application's database interaction layers, particularly in the admin/edit.php, admin/add.php, and lib/book_search.php files where user-supplied parameters are directly incorporated into SQL queries without proper escaping or parameterization.
The technical implementation of this vulnerability aligns with CWE-89, which categorizes SQL injection as a weakness where untrusted data is incorporated into SQL commands without proper validation or escaping mechanisms. Attackers can exploit these entry points by crafting malicious input that alters the intended SQL query structure, potentially allowing them to bypass authentication mechanisms, extract sensitive database information, modify or delete records, or even gain shell access to the underlying database server. The unspecified parameters mentioned in the vulnerability description suggest that the flaw exists across multiple components of the application, indicating a systemic issue in how the software handles user input throughout its codebase rather than isolated instances of poor coding practices.
The operational impact of this vulnerability extends beyond simple data theft, as it provides attackers with potential persistence mechanisms within the application environment. Successful exploitation could enable attackers to escalate privileges, create backdoor accounts, or manipulate the library's catalog data to hide malicious activities. The vulnerability affects not only the integrity of the book database but also the overall security posture of systems running this software, particularly in environments where the library management system might be integrated with other sensitive applications or where it contains personally identifiable information. Given that this vulnerability affects administrative functions, attackers could potentially modify access controls or disable security features, creating long-term security implications for the organization.
Mitigation strategies for this vulnerability should focus on implementing proper input validation and parameterized queries across all database interaction points within the application. Organizations should immediately upgrade to AV Book Library version 1.1 or later, which contains the necessary patches to address these SQL injection flaws. Additionally, implementing web application firewalls, database activity monitoring, and regular security code reviews can help detect and prevent similar vulnerabilities in other components. The remediation process should include thorough input sanitization, use of prepared statements or stored procedures, and implementation of the principle of least privilege for database accounts. This vulnerability demonstrates the critical importance of secure coding practices and regular vulnerability assessments as outlined in the ATT&CK framework's application security categories, where such flaws can serve as initial access vectors for broader compromise operations.