CVE-2006-2363 in Limbo CMS
Summary
by MITRE
SQL injection vulnerability in the weblinks option (weblinks.html.php) in Limbo CMS allows remote attackers to execute arbitrary SQL commands via the catid parameter.
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Analysis
by VulDB Data Team • 06/24/2024
The vulnerability described in CVE-2006-2363 represents a critical SQL injection flaw within the Limbo CMS content management system that specifically targets the weblinks component. This issue resides in the weblinks.html.php file where user input is improperly sanitized before being incorporated into database queries. The vulnerability manifests through the catid parameter which serves as an entry point for malicious SQL commands to be executed within the underlying database system. Attackers can exploit this weakness by crafting specially formatted input that bypasses normal input validation mechanisms and directly manipulates the database query structure.
From a technical perspective, this vulnerability falls under the CWE-89 category of SQL Injection, which is classified as a severe security weakness in software applications that process user input through database queries. The flaw demonstrates poor input validation practices where the application fails to properly escape or parameterize user-supplied data before incorporating it into SQL statements. The catid parameter represents a direct interface point where unfiltered user input flows into database operations without adequate sanitization, creating an exploitable pathway for attackers to execute unauthorized database commands. This type of vulnerability is particularly dangerous because it allows attackers to potentially extract sensitive data, modify database content, or even escalate privileges within the application's database environment.
The operational impact of this vulnerability extends beyond simple data theft to encompass complete database compromise and potential system infiltration. Remote attackers can leverage this weakness to bypass authentication mechanisms, access confidential information stored in the database, modify or delete content, and potentially establish persistent access points within the compromised system. The vulnerability affects the entire Limbo CMS installation and can result in significant business disruption, regulatory compliance violations, and reputational damage. Organizations using this CMS version face a heightened risk of data breaches, especially when the affected application handles sensitive user information or business-critical data. The remote nature of the exploit means that attackers do not require physical access to the system or local network presence, making the vulnerability particularly concerning for web-facing applications.
Mitigation strategies for this vulnerability should include immediate implementation of proper input validation and parameterized queries to prevent user input from being interpreted as SQL commands. The recommended approach involves updating the affected Limbo CMS version to a patched release that addresses the SQL injection vulnerability, implementing proper input sanitization routines, and establishing web application firewalls to monitor and filter suspicious database query patterns. Security professionals should also conduct comprehensive code reviews to identify similar vulnerabilities in other components of the application and implement proper database access controls to limit the potential impact of any successful exploitation attempts. Additionally, organizations should establish regular security assessments and vulnerability scanning procedures to identify and remediate similar weaknesses in their web applications. This vulnerability demonstrates the critical importance of input validation and proper database query construction practices that align with industry standards and security frameworks.