CVE-2006-6230 in vuBB
Summary
by MITRE
SQL injection vulnerability in vuBB 0.2.1 and earlier allows remote attackers to execute arbitrary SQL commands via the user parameter in a register action to index.php, a different vulnerability than CVE-2006-0962.
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Analysis
by VulDB Data Team • 08/09/2018
The vulnerability identified as CVE-2006-6230 represents a critical sql injection flaw within vuBB version 0.2.1 and earlier implementations. This security weakness specifically manifests in the registration process of the bulletin board system where user input is not properly sanitized before being incorporated into sql query constructions. The vulnerability occurs when the application processes the user parameter through the register action in index.php, creating an exploitable condition that enables malicious actors to manipulate database operations. Unlike CVE-2006-0962 which addresses a different sql injection vector, this particular flaw focuses exclusively on the registration workflow, making it distinct in both scope and attack surface.
The technical exploitation of this vulnerability follows a classic sql injection pattern where attacker-controlled input directly influences sql command execution. When users attempt to register through the index.php script, the system accepts the user parameter without adequate validation or sanitization measures. This allows attackers to inject malicious sql code that gets executed within the database context, potentially leading to complete database compromise. The vulnerability stems from improper input handling practices where user-supplied data flows directly into sql query strings without appropriate escaping or parameterization techniques. According to CWE classification, this represents a CWE-89 sql injection weakness that falls under the broader category of injection flaws, specifically targeting the application's data validation and sanitization mechanisms.
The operational impact of CVE-2006-6230 extends beyond simple data theft, as successful exploitation could result in complete system compromise. Attackers could potentially extract sensitive user information, modify database contents, or even escalate privileges within the affected system. The remote nature of this vulnerability means that attackers do not require physical access or local system credentials to exploit the flaw, making it particularly dangerous for publicly accessible bulletin board systems. Organizations running vulnerable vuBB installations face significant risk of data breaches, unauthorized access to user accounts, and potential service disruption. The vulnerability also creates opportunities for attackers to establish persistent access points or use the compromised system as a launching pad for further attacks within the network infrastructure.
Mitigation strategies for CVE-2006-6230 should prioritize immediate remediation through software updates to versions that address the sql injection vulnerability. Organizations must implement proper input validation and sanitization measures that ensure all user-supplied data undergoes rigorous filtering before database insertion. The implementation of prepared statements or parameterized queries represents the most effective long-term solution, as these techniques separate sql command structure from data content, eliminating the possibility of malicious code injection. Security practitioners should also consider implementing web application firewalls and intrusion detection systems to monitor for exploitation attempts. Additionally, regular security assessments and code reviews should be conducted to identify similar vulnerabilities in other applications within the organization's infrastructure. The ATT&CK framework categorizes this vulnerability under the injection technique category, specifically targeting the application layer and emphasizing the need for robust input validation controls to prevent such attacks from succeeding.