CVE-2009-4889 in Book Panel
Summary
by MITRE
SQL injection vulnerability in books.php in the Book Panel (book_panel) module for PHP-Fusion allows remote attackers to execute arbitrary SQL commands via the bookid parameter.
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Analysis
by VulDB Data Team • 11/24/2024
The CVE-2009-4889 vulnerability represents a critical sql injection flaw within the book_panel module of PHP-Fusion content management system. This vulnerability specifically affects the books.php script which handles book management functionalities within the module. The flaw occurs when the application fails to properly sanitize user input before incorporating it into sql query constructions, creating an avenue for malicious actors to manipulate database operations through crafted input parameters.
The technical implementation of this vulnerability stems from improper input validation and sanitization practices within the bookid parameter handling mechanism. When an attacker submits malicious input through the bookid parameter, the application directly incorporates this unvalidated data into sql queries without appropriate escaping or parameterization techniques. This allows attackers to inject arbitrary sql commands that execute with the privileges of the web application's database user, potentially enabling complete database compromise.
Operationally, this vulnerability poses significant risks to systems running affected versions of PHP-Fusion with the book_panel module installed. Remote attackers can exploit this flaw to extract sensitive data from the database, modify or delete records, create new database users, or even escalate privileges within the database environment. The impact extends beyond simple data theft as attackers may use this vulnerability as a stepping stone for further system compromise, potentially leading to full system takeover. The vulnerability affects all versions of PHP-Fusion that include the book_panel module, making it particularly widespread in environments where legacy systems remain operational.
The vulnerability aligns with CWE-89 which specifically addresses sql injection flaws in software applications. From an attack perspective, this weakness maps to several ATT&CK techniques including T1071.004 for application layer protocol usage and T1566 for phishing with links. Organizations should implement immediate mitigations including input validation, parameterized queries, and proper output encoding. The most effective remediation involves upgrading to patched versions of PHP-Fusion, implementing web application firewalls, and conducting comprehensive security reviews of all sql query execution points within the application. Additionally, database access should be restricted to minimum required privileges and regular security audits should be performed to identify similar vulnerabilities in other application components.