CVE-2009-2339 in Rentventory
Summary
by MITRE
SQL injection vulnerability in index.php in Rentventory allows remote attackers to execute arbitrary SQL commands via the product parameter.
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Analysis
by VulDB Data Team • 12/02/2024
The CVE-2009-2339 vulnerability represents a critical sql injection flaw within the Rentventory web application that affects the index.php script. This vulnerability specifically targets the product parameter handling mechanism, creating an exploitable entry point for remote attackers to execute arbitrary sql commands against the underlying database system. The flaw exists due to insufficient input validation and sanitization of user-supplied data, allowing malicious actors to inject sql payloads that bypass normal application security controls.
This vulnerability falls under the common weakness enumeration CWE-89 which specifically addresses sql injection vulnerabilities where untrusted data is incorporated into sql commands without proper escaping or parameterization. The attack vector operates through the web interface where the product parameter is processed, enabling attackers to manipulate the sql query execution flow. The vulnerability is classified as remote because no authentication or local system access is required to exploit it, making it particularly dangerous for web applications that are publicly accessible.
The operational impact of this vulnerability extends beyond simple data theft, as it allows attackers to perform complete database manipulation including data insertion, modification, and deletion operations. Remote code execution capabilities may also be achieved depending on the database system configuration and the privileges of the database user account. This vulnerability enables attackers to bypass application-level security controls and directly interact with the database backend, potentially leading to complete system compromise or data breaches. The affected Rentventory application likely stores sensitive information including user credentials, rental records, and business data that could be accessed or modified by unauthorized parties.
Mitigation strategies for this vulnerability must address the fundamental input validation and sanitization issues that enable the attack. The primary remediation involves implementing proper parameterized queries or prepared statements that separate sql code from data, ensuring that user input cannot alter the intended sql command structure. Input validation should be implemented at multiple levels including client-side and server-side filtering to prevent malicious data from reaching the database layer. Additionally, the application should employ proper error handling that does not expose database information to end users, and access controls should be strengthened to limit database privileges for application accounts. Security monitoring and intrusion detection systems should be configured to identify suspicious sql patterns that may indicate attempted exploitation of similar vulnerabilities. Organizations should also conduct regular security assessments and penetration testing to identify and remediate similar sql injection vulnerabilities across their web applications, following established security frameworks such as the owasp top ten project recommendations for preventing sql injection attacks.