CVE-2008-0800 in Com Mcquiz
Summary
by MITRE
SQL injection vulnerability in index.php in the McQuiz (com_mcquiz) 0.9 Final component for Joomla! allows remote attackers to execute arbitrary SQL commands via the tid parameter in a user_tst_shw action.
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Analysis
by VulDB Data Team • 10/17/2024
The vulnerability identified as CVE-2008-0800 represents a critical sql injection flaw within the McQuiz component version 0.9 Final for Joomla! CMS. This vulnerability specifically affects the index.php file and manifests through the tid parameter during user_tst_shw action execution. The flaw stems from insufficient input validation and sanitization mechanisms that fail to properly escape or filter user-supplied data before incorporating it into sql query constructs. Attackers can exploit this weakness by crafting malicious sql commands within the tid parameter, which then get executed by the underlying database system without proper authorization or validation.
The technical implementation of this vulnerability aligns with CWE-89, which categorizes sql injection as a fundamental weakness in software applications where user input is directly concatenated into sql commands without proper sanitization. The vulnerability operates at the application layer where the McQuiz component fails to implement proper parameterized queries or input filtering mechanisms. When a user submits a request containing a malicious tid parameter, the component processes this input directly within sql query strings, creating an opportunity for attackers to manipulate database operations. The vulnerability specifically targets the user_tst_shw action which likely handles quiz test viewing functionality, making it particularly dangerous as it could allow unauthorized access to quiz data, user information, or even complete database compromise.
The operational impact of this vulnerability extends beyond simple data theft, as it enables attackers to execute arbitrary sql commands with the privileges of the database user account used by the Joomla environment.
Mitigation strategies for this vulnerability should prioritize immediate patching of the McQuiz component to version 0.9.1 or later, which contains the necessary input validation and sanitization fixes. Organizations should implement proper parameterized queries or prepared statements throughout the application to prevent similar vulnerabilities from occurring in other components. Input validation should be enforced at multiple levels including application layer, database layer, and network perimeter controls. Security monitoring should be enhanced to detect unusual sql query patterns or attempts to exploit sql injection vulnerabilities. The implementation of web application firewalls and intrusion detection systems can provide additional defense-in-depth measures. According to ATT&CK framework, this vulnerability maps to T1190 - exploit public-facing application, where attackers leverage exposed web applications to gain unauthorized access. Regular security assessments and vulnerability scanning should be conducted to identify similar sql injection vulnerabilities in other applications and components within the organization's attack surface.