CVE-2008-6907 in 2532gigs
Summary
by MITRE
Multiple SQL injection vulnerabilities in checkuser.php in 2532designs 2532|Gigs 1.2.2 Stable, when magic_quotes_gpc is disabled, allow remote attackers to execute arbitrary SQL commands via the (1) username and (2) password parameters, as accessible from a form generated by index.php.
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Analysis
by VulDB Data Team • 11/19/2024
The vulnerability identified as CVE-2008-6907 represents a critical SQL injection flaw within the 2532designs 2532|Gigs 1.2.2 Stable web application. This vulnerability specifically affects the checkuser.php script which serves as a user authentication component. The flaw occurs when the PHP configuration parameter magic_quotes_gpc is disabled, creating an environment where user input is not automatically escaped, thereby exposing the application to malicious SQL command injection attempts. The vulnerability is particularly dangerous because it affects parameters that are essential to the authentication process, making it a prime target for attackers seeking unauthorized access to the system.
The technical implementation of this vulnerability stems from improper input validation and sanitization within the checkuser.php script. When the magic_quotes_gpc directive is disabled, PHP does not automatically escape special characters in GET, POST, and COOKIE data, leaving the application susceptible to SQL injection attacks. Attackers can manipulate the username and password parameters through the form interface generated by index.php to inject malicious SQL code. This injection occurs because the application directly incorporates user-supplied data into SQL queries without proper sanitization or parameterization, allowing attackers to manipulate the database query execution flow. The vulnerability is classified under CWE-89 as a SQL injection weakness, specifically manifesting as an improper neutralization of special elements used in an SQL command.
The operational impact of this vulnerability extends beyond simple data theft, as it provides attackers with the capability to execute arbitrary SQL commands on the underlying database server. This access can result in complete database compromise, including data exfiltration, data modification, or even database destruction. Attackers can leverage this vulnerability to escalate privileges, bypass authentication mechanisms, or gain access to sensitive user information stored within the application's database. The remote nature of the attack means that exploitation does not require local system access, making the vulnerability particularly dangerous for web applications. According to ATT&CK framework, this vulnerability maps to T1190 (Exploit Public-Facing Application) and T1071.004 (Application Layer Protocol: DNS), as it represents a public-facing application vulnerability that can be exploited through standard web protocols.
Mitigation strategies for CVE-2008-6907 must address both immediate remediation and long-term security hardening measures. The primary recommendation involves implementing proper input validation and parameterized queries to prevent SQL injection attacks. Developers should ensure that all user inputs are properly sanitized before being incorporated into database queries, or better yet, utilize prepared statements with parameterized queries that separate SQL code from data. Additionally, system administrators should enable the magic_quotes_gpc directive or implement equivalent input sanitization mechanisms. The application should also enforce proper authentication controls and implement input length restrictions to minimize the attack surface. Security monitoring and intrusion detection systems should be configured to detect anomalous database query patterns that may indicate exploitation attempts, as outlined in the MITRE ATT&CK framework's methodology for identifying and mitigating application layer attacks.