CVE-2008-0833 in Com Galeria
Summary
by MITRE
SQL injection vulnerability in index.php in the com_galeria component for Joomla! allows remote attackers to execute arbitrary SQL commands via the id parameter in a detail action.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 10/17/2024
The CVE-2008-0833 vulnerability represents a critical sql injection flaw within the com_galeria component of Joomla! content management system. This vulnerability specifically affects the index.php file and manifests when processing the id parameter during detail actions. The flaw stems from inadequate input validation and sanitization mechanisms that fail to properly escape or filter user-supplied data before incorporating it into sql queries. Attackers can exploit this weakness by crafting malicious sql commands through the id parameter, potentially gaining unauthorized access to the underlying database system.
The technical implementation of this vulnerability follows standard sql injection patterns where user input flows directly into database query construction without proper sanitization. When the detail action is invoked with a crafted id parameter, the application fails to validate or escape special sql characters and keywords that could alter the intended query structure. This allows threat actors to inject malicious sql code that executes with the privileges of the database user account used by the web application. The vulnerability is classified under CWE-89 sql injection, which is one of the most prevalent and dangerous web application security flaws recognized by the common weakness enumeration database.
The operational impact of this vulnerability extends beyond simple data theft, as it provides attackers with extensive database access capabilities. Successful exploitation could enable unauthorized users to extract sensitive information including user credentials, personal data, and application configuration details. Attackers might also modify or delete database records, potentially leading to complete system compromise. The vulnerability affects Joomla as a content management platform. This flaw aligns with ATT&CK technique T1190 for exploiting vulnerabilities in web applications, and T1078 for gaining access to systems through compromised credentials.
Mitigation strategies for CVE-2008-0833 require immediate attention from system administrators and security teams. The primary remediation involves applying the official security patch released by Joomla! for the com_galeria component, which typically includes proper input validation and parameterized query construction. Organizations should also implement web application firewalls to detect and block malicious sql injection attempts, while conducting thorough input validation at multiple layers of the application stack. Database access controls should be reviewed to ensure the web application uses least privilege accounts with minimal database permissions. Additionally, regular security audits and penetration testing should be conducted to identify similar vulnerabilities in other components and ensure comprehensive protection against sql injection attacks. The vulnerability demonstrates the critical importance of maintaining up-to-date security patches and implementing robust input validation mechanisms in web applications.