CVE-2006-2486 in YapBB
Summary
by MITRE
SQL injection vulnerability in find.php in YapBB 1.2 Beta2 and earlier allows remote attackers to execute arbitrary SQL commands via the userID parameter.
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Analysis
by VulDB Data Team • 07/27/2018
The vulnerability identified as CVE-2006-2486 represents a critical sql injection flaw discovered in YapBB version 1.2 Beta2 and earlier releases. This vulnerability exists within the find.php script which processes user input without proper sanitization or validation, creating an exploitable condition that allows remote attackers to manipulate database queries through the userID parameter. The flaw enables attackers to inject malicious sql code that can be executed within the database context, potentially leading to unauthorized data access, modification, or deletion.
This vulnerability directly maps to CWE-89 which defines sql injection as the insertion of malicious sql fragments into database queries through untrusted input. The weakness occurs when user-supplied data flows directly into sql execution contexts without adequate input validation or parameterization. The specific exposure in YapBB's find.php script demonstrates how insufficient input filtering can create a pathway for attackers to bypass authentication mechanisms and gain unauthorized access to backend database systems. The userID parameter serves as the primary attack vector where malicious input can alter the intended sql query structure and execute arbitrary commands.
The operational impact of this vulnerability extends beyond simple data theft, as it provides attackers with potential access to sensitive user information including usernames, passwords, and personal data stored within the application's database. Remote exploitation means that attackers do not require physical access to the system or network, making this vulnerability particularly dangerous for web applications that are publicly accessible. The vulnerability can be exploited to perform data manipulation operations such as creating new user accounts, modifying existing records, or even deleting entire database tables. Additionally, attackers may leverage this vulnerability to escalate privileges within the application or to conduct further reconnaissance activities.
Mitigation strategies for CVE-2006-2486 should focus on implementing proper input validation and parameterized queries to prevent sql injection attacks. Organizations should immediately upgrade to patched versions of YapBB where available, as the vulnerability has been addressed in subsequent releases. The implementation of prepared statements or parameterized queries should be enforced throughout the application codebase to ensure that user input is properly escaped or sanitized before being incorporated into sql commands. Additionally, web application firewalls and input filtering mechanisms should be deployed to detect and block suspicious sql injection attempts. Regular security auditing and code reviews should be conducted to identify similar vulnerabilities in other application components, while access controls and database permissions should be properly configured to limit the potential impact of successful exploitation attempts. The vulnerability also highlights the importance of following secure coding practices and adhering to established security frameworks such as those recommended by the open web application security project owasp to prevent similar issues in future development cycles.