CVE-2008-0446 in LulieBlog
Summary
by MITRE
SQL injection vulnerability in voircom.php in LulieBlog 1.02 allows remote attackers to execute arbitrary SQL commands via the id parameter.
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Analysis
by VulDB Data Team • 10/14/2024
The vulnerability identified as CVE-2008-0446 represents a critical SQL injection flaw discovered in the LulieBlog 1.02 content management system. This vulnerability specifically affects the voircom.php script which handles comment viewing functionality within the blogging platform. The flaw arises from insufficient input validation and sanitization of user-supplied data, creating a pathway for malicious actors to manipulate database queries through the id parameter. The vulnerability classification aligns with CWE-89 which defines SQL injection as the insertion of malicious SQL code into input fields for execution by the database engine. This particular weakness enables attackers to bypass authentication mechanisms, extract sensitive data, modify database contents, or even execute administrative commands on the affected system.
The technical exploitation of this vulnerability occurs when an attacker submits a malicious value through the id parameter in the voircom.php script. Without proper sanitization, the application directly incorporates this input into SQL query construction, allowing attackers to inject additional SQL commands that execute with the privileges of the database user. The attack vector is remote and requires no authentication, making it particularly dangerous as it can be exploited from anywhere on the internet. This vulnerability demonstrates a classic lack of parameterized queries or proper input validation, where user input flows directly into database operations without adequate filtering or escaping mechanisms. The flaw essentially transforms the legitimate comment viewing functionality into a command execution channel for database manipulation.
The operational impact of this vulnerability extends beyond simple data theft, as it provides attackers with complete control over the database backend of the affected LulieBlog installation. Successful exploitation could result in unauthorized access to all blog comments, user credentials, and potentially other sensitive information stored in the database. Attackers could also modify or delete content, create new administrative accounts, or even escalate privileges to gain full system control. The vulnerability affects the confidentiality, integrity, and availability of the web application and its underlying data storage, creating a triad of security compromise. Organizations using LulieBlog 1.02 would face significant reputational damage and potential regulatory penalties if user data was compromised through this vulnerability, especially given that the flaw affects a widely deployed blogging platform.
Mitigation strategies for this vulnerability should focus on immediate remediation through proper input validation and parameterized queries implementation. The most effective solution involves updating the voircom.php script to utilize prepared statements or parameterized queries that separate SQL command structure from data input. Additionally, implementing proper input sanitization routines that filter or escape special characters in the id parameter would prevent malicious SQL code from being executed. Organizations should also consider implementing web application firewalls and input validation rules at the network level to detect and block suspicious SQL injection attempts. The vulnerability highlights the importance of following secure coding practices and adhering to OWASP Top Ten security guidelines, particularly those addressing injection flaws. Regular security audits and penetration testing should be conducted to identify similar vulnerabilities in other applications and scripts within the system. The remediation process should also include comprehensive logging of all database access attempts to detect potential exploitation attempts and maintain audit trails for security incident response activities.