CVE-2009-4925 in e-commerce content manager
Summary
by MITRE
Multiple SQL injection vulnerabilities in Portale e-commerce Creasito (aka creasito e-commerce content manager) 1.3.16, when magic_quotes_gpc is disabled, allow remote attackers to execute arbitrary SQL commands via the username parameter to (1) admin/checkuser.php and (2) checkuser.php.
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Analysis
by VulDB Data Team • 03/22/2025
The vulnerability CVE-2009-4925 represents a critical SQL injection flaw in the Creasito e-commerce content management system version 1.3.16. This vulnerability specifically targets the authentication mechanism of the system where user credentials are processed through the username parameter in two key files: admin/checkuser.php and checkuser.php. The flaw occurs under specific server configurations where the magic_quotes_gpc directive is disabled, creating an exploitable condition that allows attackers to manipulate database queries through crafted input.
The technical implementation of this vulnerability stems from improper input validation and sanitization within the authentication routines of the e-commerce platform. When magic_quotes_gpc is disabled, the system fails to automatically escape special characters in incoming data, leaving the application susceptible to malicious SQL payloads. Attackers can construct specially formatted username inputs that, when processed by the vulnerable scripts, get directly incorporated into SQL queries without proper sanitization. This creates a direct pathway for attackers to manipulate the underlying database structure and execute arbitrary commands with the privileges of the web application.
The operational impact of this vulnerability extends beyond simple data theft, as it provides attackers with complete control over the database layer of the e-commerce system. Successful exploitation could lead to unauthorized access to customer information, transaction data, product catalogs, and administrative credentials. The vulnerability affects the authentication mechanism specifically, meaning that attackers could potentially bypass user authentication entirely or escalate privileges within the system. This represents a severe compromise of the system's integrity and confidentiality, as database-level access enables attackers to modify or delete critical business data.
Security practitioners should note that this vulnerability aligns with CWE-89, which categorizes SQL injection as a fundamental weakness in software design. The flaw demonstrates poor input handling practices and highlights the importance of proper database query construction. From an ATT&CK framework perspective, this vulnerability maps to T1190 (Exploit Public-Facing Application) and T1071.004 (Application Layer Protocol: DNS) as attackers may use various techniques to probe and exploit the vulnerable endpoints. The vulnerability also relates to T1046 (Network Service Scanning) and T1566 (Phishing) as attackers might first scan for vulnerable systems before attempting exploitation.
Mitigation strategies for CVE-2009-4925 require immediate implementation of multiple defensive measures. The most critical remediation involves enabling magic_quotes_gpc or implementing proper input sanitization and parameterized queries in the affected scripts. System administrators should also consider implementing web application firewalls to detect and block malicious SQL injection attempts. Additionally, the affected e-commerce system should be updated to a patched version of Creasito, as version 1.3.16 is known to contain this vulnerability. Database access controls should be reviewed to limit the privileges of web application accounts, ensuring that even if exploitation occurs, the damage is contained. Regular security audits and input validation testing should be implemented to prevent similar vulnerabilities from emerging in other parts of the application stack.