CVE-2007-2313 in Mx Shotcast
Summary
by MITRE
PHP remote file inclusion vulnerability in getinfo1.php in the Shotcast 1.0 RC2 module for mxBB allows remote attackers to execute arbitrary PHP code via a URL in the mx_root_path parameter.
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Analysis
by VulDB Data Team • 09/05/2024
The vulnerability identified as CVE-2007-2313 represents a critical remote file inclusion flaw in the Shotcast 1.0 RC2 module for mxBB bulletin board systems. This vulnerability exists within the getinfo1.php script where the mx_root_path parameter is not properly validated or sanitized before being used in a file inclusion operation. The flaw allows malicious actors to inject arbitrary URLs that can be executed as PHP code on the target server, creating a severe security risk for affected systems. The vulnerability is classified under CWE-98 as improper input validation leading to file inclusion attacks, which directly enables code execution capabilities that can compromise entire server infrastructures.
The technical implementation of this vulnerability exploits the insecure handling of user-supplied input within the mxBB module architecture. When the mx_root_path parameter is passed to getinfo1.php without proper sanitization, the application treats it as a legitimate file path and attempts to include it as a PHP file. Attackers can manipulate this parameter to point to malicious remote files hosted on attacker-controlled servers, effectively bypassing normal access controls and executing arbitrary code with the privileges of the web server process. This type of vulnerability falls under the ATT&CK technique T1190 for Exploit Public-Facing Application and T1059.007 for Command and Scripting Interpreter for PHP, demonstrating how attackers can leverage web application flaws to establish persistent access and execute malicious payloads.
The operational impact of this vulnerability extends beyond simple code execution, as it provides attackers with the capability to completely compromise affected systems. Successful exploitation allows adversaries to upload additional malicious files, establish backdoors, access sensitive data, and potentially use the compromised server as a launching point for further attacks within the network. The vulnerability affects all systems running Shotcast 1.0 RC2 module for mxBB that are accessible from the internet, making it particularly dangerous for publicly exposed web applications. Organizations utilizing this module face significant risk of data breaches, service disruption, and potential regulatory compliance violations due to the lack of proper input validation mechanisms. The vulnerability's exploitation requires minimal technical skill, making it attractive to both skilled and unskilled attackers, and the impact can be devastating for organizations relying on affected systems.
Mitigation strategies for CVE-2007-2313 focus on implementing proper input validation and sanitization measures within the affected application. System administrators should immediately upgrade to patched versions of the mxBB module or apply the vendor-provided security patches that address the file inclusion vulnerability. The implementation of input validation techniques such as whitelisting acceptable values for the mx_root_path parameter, using absolute paths instead of user-supplied relative paths, and implementing proper file access controls can effectively prevent exploitation. Organizations should also consider implementing web application firewalls to detect and block malicious requests attempting to exploit this vulnerability, while maintaining regular security audits to identify similar flaws in other components of their web applications. Additionally, following security best practices such as disabling remote file inclusion in PHP configurations and implementing proper access controls can provide additional defense-in-depth measures against similar vulnerabilities.