CVE-2009-3059 in JBoard
Summary
by MITRE
Multiple SQL injection vulnerabilities in Joker Board (aka JBoard) 2.0 and earlier allow remote attackers to execute arbitrary SQL commands via (1) core/select.php or (2) the city parameter to top_add.inc.php, reachable through sboard.php.
Be aware that VulDB is the high quality source for vulnerability data.
Analysis
by VulDB Data Team • 06/08/2025
The CVE-2009-3059 vulnerability affects Joker Board version 2.0 and earlier, representing a critical SQL injection flaw that enables remote attackers to execute arbitrary SQL commands against the application's database. This vulnerability exists due to insufficient input validation and sanitization within the application's core components, specifically in the core/select.php file and the city parameter handling within top_add.inc.php. The attack vector is particularly concerning as it can be triggered through the sboard.php interface, making it accessible to any remote user without authentication requirements. The vulnerability stems from the application's failure to properly escape or validate user-supplied input before incorporating it into SQL query constructions, creating an environment where malicious actors can manipulate database queries through crafted input parameters.
The technical exploitation of this vulnerability occurs through two distinct attack paths that demonstrate the application's weak input handling across different modules. The first path involves the core/select.php component where user input is directly incorporated into SQL statements without proper sanitization, while the second path targets the city parameter in top_add.inc.php which is accessible through sboard.php. Both attack vectors leverage the fundamental principle of SQL injection where malicious SQL code is injected into input fields and subsequently executed by the database server. This flaw aligns with CWE-89, which specifically addresses SQL injection vulnerabilities, and represents a classic example of improper input validation where user data flows directly into database queries without adequate sanitization measures. The vulnerability's impact is amplified by the fact that it allows for complete database compromise, potentially enabling attackers to extract sensitive information, modify database contents, or even escalate privileges within the application environment.
The operational impact of CVE-2009-3059 extends beyond simple data theft, as it provides attackers with the capability to fully compromise the underlying database infrastructure that Joker Board relies upon for its functionality. Remote attackers can leverage this vulnerability to access sensitive user information, including but not limited to usernames, passwords, and personal details stored within the application's database. The vulnerability also enables attackers to modify or delete critical application data, potentially disrupting service availability and integrity. From an attacker's perspective, this vulnerability represents a significant foothold within the target environment, as database compromise often serves as a stepping stone for further attacks. The attack can be executed without requiring any special privileges or authentication, making it particularly dangerous for web applications that do not implement proper security controls. This vulnerability also aligns with ATT&CK technique T1071.004, which covers application layer protocol manipulation, and T1190, which addresses exploitation of remote services.
Mitigation strategies for CVE-2009-3059 must address both immediate remediation and long-term security improvements. The most effective immediate solution involves patching the application to version 2.1 or later, where the SQL injection vulnerabilities have been properly addressed through input validation and parameterized query implementation. Organizations should implement proper input sanitization techniques, including the use of prepared statements and parameterized queries to prevent malicious SQL code from being executed. Additionally, the application should implement proper output encoding and validation mechanisms to ensure that user input cannot be interpreted as executable SQL commands. Network-level protections such as web application firewalls and intrusion detection systems can provide additional layers of defense against exploitation attempts. Regular security audits and code reviews should be conducted to identify similar vulnerabilities in other application components. The implementation of proper access controls and database privilege management can limit the potential damage from successful exploitation attempts, ensuring that even if an attacker gains database access, their capabilities remain restricted to prevent complete system compromise. Organizations should also establish incident response procedures specifically designed to handle database compromise scenarios, ensuring rapid identification and containment of exploitation attempts.