CVE-2006-6615 in Activity Games Module
Summary
by MITRE
PHP remote file inclusion vulnerability in includes/act_constants.php in the Activity Games (mx_act) 0.92 module for mxBB allows remote attackers to execute arbitrary PHP code via a URL in the module_root_path parameter.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 12/21/2024
The vulnerability identified as CVE-2006-6615 represents a critical remote file inclusion flaw within the Activity Games (mx_act) module version 0.92 for the mxBB bulletin board system. This vulnerability resides in the includes/act_constants.php file and specifically targets the module_root_path parameter, creating an avenue for remote attackers to inject and execute arbitrary PHP code on the affected system. The flaw stems from insufficient input validation and sanitization practices, allowing malicious actors to manipulate the parameter and include remote files from external servers.
The technical exploitation of this vulnerability follows the classic remote file inclusion pattern where an attacker crafts a malicious URL and passes it as the module_root_path parameter to the vulnerable script. When the application processes this parameter without proper validation, it inadvertently includes and executes the remote PHP code, effectively granting the attacker remote code execution capabilities. This type of vulnerability falls under CWE-88, which describes improper neutralization of special elements used in an OS command, and more specifically aligns with CWE-94, which covers the execution of arbitrary code due to inadequate input validation.
The operational impact of this vulnerability is severe as it provides attackers with complete control over the affected server. Once exploited, attackers can execute arbitrary commands, access sensitive data, modify system files, and potentially establish persistent backdoors. The vulnerability affects systems running mxBB with the mx_act module version 0.92, making it particularly dangerous for web applications that rely on third-party modules without proper security vetting. From an ATT&CK framework perspective, this vulnerability maps to T1059.001 for command and scripting interpreter and T1566.001 for spearphishing attachment, as attackers can leverage this flaw to execute malicious code remotely and establish initial access.
Mitigation strategies for CVE-2006-6615 require immediate patching of the affected mxBB module to version 0.93 or later, which contains the necessary security fixes. System administrators should implement input validation measures that sanitize all user-supplied parameters, particularly those used in file inclusion operations. The principle of least privilege should be enforced by restricting file inclusion capabilities and implementing proper access controls. Additionally, network-level protections such as web application firewalls and intrusion detection systems can help detect and block malicious requests targeting this vulnerability. Regular security audits and vulnerability assessments should be conducted to identify and remediate similar flaws in other modules and applications, ensuring comprehensive protection against remote file inclusion attacks that continue to pose significant threats to web application security.