CVE-2007-6172 in wpQuiz
Summary
by MITRE
Multiple SQL injection vulnerabilities in wpQuiz 2.7 allow remote attackers to execute arbitrary SQL commands via the id parameter to (1) viewimage.php and (2) comments.php.
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Analysis
by VulDB Data Team • 10/12/2024
The vulnerability identified as CVE-2007-6172 affects the wpQuiz 2.7 web application, which is a quiz management system designed for wordpress platforms. This issue represents a critical security flaw that enables remote attackers to manipulate database queries through improper input validation mechanisms. The vulnerability specifically targets two distinct script files within the application: viewimage.php and comments.php, both of which process user-supplied input through the id parameter without adequate sanitization or validation. This allows malicious actors to inject arbitrary SQL commands that execute within the database context, potentially leading to unauthorized data access, modification, or deletion.
The technical implementation of this vulnerability stems from the application's failure to properly escape or validate user input before incorporating it into SQL query constructions. When the id parameter is passed to either viewimage.php or comments.php, the application directly concatenates this input into database queries without appropriate filtering or parameterization. This design flaw aligns with CWE-89, which specifically addresses SQL injection vulnerabilities where untrusted data is incorporated into SQL commands without proper sanitization. The vulnerability operates at the application layer, making it particularly dangerous as it can be exploited through standard web browser interactions without requiring specialized tools or deep system knowledge.
The operational impact of this vulnerability extends beyond simple data theft, as it provides attackers with comprehensive database manipulation capabilities. Successful exploitation could result in complete database compromise, allowing unauthorized users to extract sensitive information, modify quiz content, manipulate user accounts, or even escalate privileges within the affected system. The remote nature of the attack means that threat actors can exploit this vulnerability from anywhere on the internet, making it particularly attractive to malicious hackers. Additionally, the widespread use of wpQuiz applications in educational and corporate environments increases the potential attack surface and impact of this vulnerability.
Mitigation strategies for CVE-2007-6172 must address both immediate remediation and long-term security improvements. The most effective immediate solution involves implementing proper input validation and parameterized queries in the affected scripts. This approach aligns with ATT&CK technique T1190, which focuses on exploiting vulnerabilities in web applications. Organizations should apply the vendor-provided patch if available, or implement input sanitization measures that properly escape special characters in user-supplied parameters. Additionally, implementing web application firewalls and database query monitoring can provide additional layers of protection. Regular security auditing of web applications, input validation testing, and maintaining up-to-date security patches form essential components of a comprehensive defense strategy against similar SQL injection vulnerabilities.