CVE-2008-6626 in Quiz
Summary
by MITRE
SQL injection vulnerability in getin.php in WEBBDOMAIN Quiz 1.02 and earlier allows remote attackers to execute arbitrary SQL commands via the username parameter.
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Analysis
by VulDB Data Team • 11/10/2024
The CVE-2008-6626 vulnerability represents a critical sql injection flaw in the webbdomain quiz application version 1.02 and earlier. This vulnerability exists within the getin.php script which processes user input without proper sanitization or validation. The specific weakness occurs when the application accepts the username parameter directly from user input and incorporates it into sql query construction without adequate escaping or parameterization mechanisms. This design flaw enables malicious actors to inject arbitrary sql commands through carefully crafted input strings that manipulate the intended database query execution flow.
The technical implementation of this vulnerability aligns with common sql injection patterns classified under cwe-89 which specifically addresses improper neutralization of special elements used in sql commands. The flaw operates by exploiting the lack of input validation and sanitization in the username parameter handling within getin.php. When an attacker submits malicious input containing sql payload characters such as semicolons, comments, or union select statements, the application processes these inputs directly within the database query context. This creates opportunities for attackers to bypass authentication mechanisms, extract sensitive data, modify database contents, or even execute system commands depending on the underlying database system's capabilities and the application's configuration.
The operational impact of this vulnerability extends beyond simple data theft and encompasses complete system compromise potential. Remote attackers can leverage this weakness to gain unauthorized access to the underlying database, potentially accessing user credentials, personal information, and other sensitive data stored within the quiz application's database. The vulnerability's remote exploitability means attackers do not require physical access to the system, making it particularly dangerous in web-facing applications. Additionally, the vulnerability could enable attackers to escalate privileges within the database, modify quiz content, or even establish persistent backdoors through database-level command execution capabilities.
Mitigation strategies for CVE-2008-6626 must address both immediate remediation and long-term architectural improvements. The primary fix involves implementing proper input validation and parameterized queries throughout the application codebase, specifically within the getin.php script and related components. Database access should utilize prepared statements or parameterized queries that separate sql command structure from user data, preventing malicious payloads from being interpreted as sql code. Input sanitization measures including character encoding, length validation, and whitelist-based input filtering should be implemented to ensure only expected characters are processed. System administrators should also consider implementing web application firewalls and intrusion detection systems to monitor for sql injection attack patterns. The vulnerability's classification under attack technique t1070.004 which covers sql injection attacks highlights the need for comprehensive security monitoring and response capabilities. Organizations should also conduct regular security assessments and code reviews to identify similar vulnerabilities in other application components, as sql injection remains one of the most prevalent and dangerous web application security flaws.