CVE-2009-0403 in Chipmunk Blogger
Summary
by MITRE
SQL injection vulnerability in admin/authenticate.php in Chipmunk Blogger Script allows remote attackers to execute arbitrary SQL commands via the (1) username and (2) password parameters.
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Analysis
by VulDB Data Team • 11/23/2024
The CVE-2009-0403 vulnerability represents a critical sql injection flaw in the Chipmunk Blogger Script administration authentication module. This vulnerability exists within the admin/authenticate.php file where user credentials are processed during the login procedure. The flaw manifests when the application fails to properly sanitize or escape user input provided through the username and password parameters, creating an exploitable condition that allows malicious actors to inject arbitrary sql commands into the underlying database query execution flow.
This vulnerability operates at the application layer and directly impacts the authentication mechanism of the blogging platform. The sql injection occurs because the application constructs database queries by directly concatenating user-supplied input without proper input validation or parameterization. When an attacker supplies malicious sql payloads in either the username or password fields, these inputs are seamlessly incorporated into the sql query structure, potentially allowing complete database access, data manipulation, or unauthorized administrative privileges. The vulnerability is classified under cwe-89 as a sql injection weakness, specifically affecting the authentication system where user credentials are verified against stored database records.
The operational impact of this vulnerability extends beyond simple unauthorized access. Attackers can leverage this flaw to escalate privileges, extract sensitive user information including hashed passwords, modify or delete content, and potentially compromise the entire blogging platform. The vulnerability affects the confidentiality, integrity, and availability of the system by enabling unauthorized data access and manipulation. Organizations running this version of Chipmunk Blogger Script face significant risk of data breaches, content tampering, and potential system compromise. The attack vector is particularly dangerous as it requires no prior authentication and can be executed remotely, making it highly attractive to threat actors seeking to exploit web applications.
Mitigation strategies for this vulnerability include immediate implementation of input validation and parameterized queries to prevent sql injection attacks. The recommended approach involves updating the application code to utilize prepared statements or stored procedures that separate sql command structure from data input. Organizations should also implement proper authentication mechanisms including account lockout policies, input sanitization, and regular security audits of web applications. According to the mitre attack framework, this vulnerability would be categorized under initial access and privilege escalation techniques. The fix requires developers to review and restructure the authentication code to ensure all user inputs are properly escaped or parameterized before database query execution, aligning with secure coding practices and industry standards for web application security.