CVE-2008-2296 in Rgboard
Summary
by MITRE
PHP remote file inclusion vulnerability in include/bbs.lib.inc.php in Rgboard 3.0.12 allows remote attackers to execute arbitrary PHP code via a URL in the site_path parameter.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 10/22/2024
The vulnerability identified as CVE-2008-2296 represents a critical remote file inclusion flaw in the Rgboard 3.0.12 web application, specifically within the include/bbs.lib.inc.php file. This vulnerability falls under the category of insecure direct object references and remote code execution, creating a significant security risk for affected systems. The flaw occurs when the application fails to properly validate or sanitize user-supplied input passed through the site_path parameter, allowing malicious actors to inject arbitrary URLs that are subsequently included and executed as PHP code. This type of vulnerability is particularly dangerous as it enables attackers to execute arbitrary commands on the target server with the privileges of the web application, potentially leading to complete system compromise.
The technical exploitation of this vulnerability occurs through a straightforward injection mechanism where an attacker crafts a malicious URL and passes it as the site_path parameter to the vulnerable application. When the PHP application processes this parameter without proper input validation, it treats the supplied URL as a legitimate include directive, downloading and executing the remote code on the server. This flaw directly maps to CWE-88, which describes improper neutralization of special elements used in an expression, and CWE-94, which addresses the execution of arbitrary code or commands. The vulnerability demonstrates poor input sanitization practices and highlights the importance of proper parameter validation in web applications.
The operational impact of this vulnerability extends far beyond simple code execution, as it provides attackers with a foothold for extensive system compromise. Once executed, the remote code can be used to establish persistent access, escalate privileges, exfiltrate sensitive data, or deploy additional malware. The vulnerability affects the integrity and confidentiality of the entire web application environment, potentially exposing user data, session information, and underlying system resources. From an attacker's perspective, this vulnerability aligns with ATT&CK technique T1059.007 for execution through PHP, and T1105 for command and control communication. Organizations running Rgboard 3.0.12 are at risk of complete system takeover, data breaches, and potential lateral movement within their network infrastructure.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term security hardening. The primary fix involves implementing strict input validation and sanitization for all user-supplied parameters, particularly those used in include or require statements. Applications should employ whitelisting approaches for path parameters, ensuring that only predefined, trusted values are accepted. Additionally, disabling remote file inclusion features in PHP configuration and implementing proper input filtering mechanisms can prevent exploitation. Organizations should also consider implementing web application firewalls to detect and block suspicious URL patterns targeting this vulnerability. Regular security audits, proper patch management, and adherence to secure coding practices are essential for preventing similar vulnerabilities in future development cycles. The vulnerability underscores the critical need for defense-in-depth strategies and comprehensive security awareness training for development teams to prevent such flaws from entering production environments.