CVE-2008-4736 in Rpg Board
Summary
by MITRE
SQL injection vulnerability in index.php in RPG.Board 0.8 Beta2 and earlier allows remote attackers to execute arbitrary SQL commands via the showtopic parameter.
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Analysis
by VulDB Data Team • 11/05/2024
The vulnerability identified as CVE-2008-4736 represents a critical SQL injection flaw within RPG.Board version 0.8 Beta2 and earlier installations. This security weakness exists in the index.php script where user input is improperly handled, specifically within the showtopic parameter that processes topic identifiers for display. The vulnerability stems from inadequate input validation and sanitization mechanisms that fail to properly escape or filter user-supplied data before incorporating it into database queries. This allows malicious actors to inject arbitrary SQL commands through crafted input values, potentially gaining unauthorized access to the underlying database system and executing malicious operations.
The technical exploitation of this vulnerability falls under CWE-89, which categorizes SQL injection as a fundamental weakness in application input validation. Attackers can leverage this flaw by submitting specially crafted payloads through the showtopic parameter that manipulate the SQL query structure. When the application processes these inputs without proper sanitization, the injected SQL commands execute within the database context, potentially allowing attackers to extract sensitive information, modify database contents, or even escalate privileges within the database environment. The vulnerability specifically targets the application's database interaction layer where user-provided topic identifiers are directly incorporated into SQL statements without adequate protection mechanisms.
The operational impact of this vulnerability extends beyond simple data compromise, as it can enable full database manipulation capabilities for remote attackers. Successful exploitation may result in unauthorized data access, data modification, or complete database takeover depending on the attacker's privileges and the database configuration. The vulnerability affects all versions up to and including RPG.Board 0.8 Beta2, representing a significant security risk for organizations relying on this software platform. From an ATT&CK framework perspective, this vulnerability maps to T1190 - Exploit Public-Facing Application and T1071.005 - Application Layer Protocol: Web Protocols, as it exploits a web application vulnerability to gain unauthorized access to backend database systems. The remote nature of the attack means that threat actors can exploit this vulnerability from any location without requiring physical access to the system, making it particularly dangerous for publicly accessible web applications.
Mitigation strategies for this vulnerability should prioritize immediate remediation through software updates to versions that address the SQL injection flaw. Organizations should implement proper input validation and parameterized queries to prevent user-supplied data from being interpreted as SQL commands. The implementation of web application firewalls and input filtering mechanisms can provide additional protection layers. Security patches should be applied promptly, and regular vulnerability assessments should be conducted to identify similar weaknesses in other application components. Additionally, database access controls should be reviewed to ensure that applications use minimal required privileges and that sensitive data is properly protected through encryption and access controls. The vulnerability serves as a reminder of the critical importance of input validation and proper database query construction in preventing SQL injection attacks that can compromise entire database systems.