CVE-2011-4811 in BestShopPro
Summary
by MITRE
SQL injection vulnerability in pokaz_podkat.php in BestShopPro allows remote attackers to execute arbitrary SQL commands via the str parameter.
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Analysis
by VulDB Data Team • 12/07/2024
The vulnerability identified as CVE-2011-4811 represents a critical SQL injection flaw within the BestShopPro e-commerce platform, specifically affecting the pokaz_podkat.php script. This vulnerability resides in the handling of user-supplied input through the str parameter, which is processed without adequate sanitization or validation mechanisms. The flaw enables remote attackers to manipulate the underlying database queries by injecting malicious SQL code through the affected parameter, potentially compromising the entire database infrastructure.
The technical exploitation of this vulnerability follows the classic SQL injection attack pattern where malicious input is directly incorporated into SQL query construction without proper escaping or parameterization. When an attacker submits specially crafted input through the str parameter, the application fails to validate or sanitize this input before incorporating it into database queries. This creates an opportunity for attackers to execute unauthorized database operations, including data retrieval, modification, or deletion, depending on the privileges of the database user account used by the application.
From an operational perspective, this vulnerability poses significant risks to the confidentiality, integrity, and availability of the BestShopPro system. Attackers could potentially extract sensitive customer information, including personal details, payment information, and order histories, leading to data breaches and regulatory compliance violations. The impact extends beyond mere data theft, as attackers might also be able to modify or delete critical business data, disrupt operations, or establish persistent access through database-level backdoors. The remote nature of the attack means that exploitation can occur from anywhere on the internet without requiring physical access to the target system.
The vulnerability aligns with CWE-89, which specifically addresses SQL injection weaknesses in software applications, and demonstrates characteristics consistent with the attack patterns documented in the MITRE ATT&CK framework under the T1190 technique for exploitation of remote services. Organizations affected by this vulnerability should immediately implement input validation measures, including parameterized queries, proper input sanitization, and output encoding to prevent malicious SQL code execution. Additionally, regular security assessments, web application firewalls, and database access controls should be deployed to minimize the attack surface and protect against similar vulnerabilities in other components of the system.
The remediation approach should focus on implementing proper input validation and sanitization mechanisms, transitioning from dynamic query construction to parameterized queries, and conducting comprehensive code reviews to identify similar patterns throughout the application codebase. Security patches should be applied immediately, and the system should undergo thorough penetration testing to verify the effectiveness of implemented mitigations. Regular security training for development teams is essential to prevent similar vulnerabilities from being introduced during future development cycles, ensuring that secure coding practices are consistently applied throughout the software development lifecycle.