CVE-2007-0314 in Article System
Summary
by MITRE
Multiple PHP remote file inclusion vulnerabilities in Article System 1.0 allow remote attackers to execute arbitrary PHP code via a URL in the INCLUDE_DIR parameter to (1) forms.php, (2) issue_edit.php, (3) client.php, and (4) classes.php.
Be aware that VulDB is the high quality source for vulnerability data.
Analysis
by VulDB Data Team • 06/06/2025
The vulnerability identified as CVE-2007-0314 represents a critical remote file inclusion flaw affecting the Article System 1.0 web application. This vulnerability resides in the application's handling of user-supplied input within the INCLUDE_DIR parameter, which is processed across multiple PHP script files including forms.php, issue_edit.php, client.php, and classes.php. The flaw stems from the application's failure to properly validate or sanitize input parameters before using them in file inclusion operations, creating an attack vector that allows remote adversaries to inject malicious URLs and execute arbitrary PHP code on the target server.
The technical implementation of this vulnerability aligns with CWE-88, which describes improper neutralization of special elements used in an expression, specifically in the context of file inclusion operations. Attackers can exploit this by crafting malicious URLs and injecting them into the INCLUDE_DIR parameter, which then gets processed by the vulnerable PHP scripts. When the application attempts to include the specified file, it executes the remote code with the privileges of the web server process, potentially providing attackers with complete control over the affected system. This type of vulnerability falls under the ATT&CK technique T1505.003 for Server-side Template Injection and T1059.007 for Command and Scripting Interpreter, as it enables arbitrary code execution through the PHP interpreter.
The operational impact of this vulnerability is severe and multifaceted, as it provides attackers with the capability to execute arbitrary commands on the target server, potentially leading to full system compromise. An attacker could use this vulnerability to establish persistent backdoors, exfiltrate sensitive data, or deploy additional malware. The vulnerability affects multiple files within the application, increasing the attack surface and making it more difficult to fully secure the system. The remote nature of the exploit means that attackers do not require physical access or prior authentication to exploit this vulnerability, making it particularly dangerous in publicly accessible web applications.
Mitigation strategies for this vulnerability must address both the immediate exploitation risk and the underlying architectural issues. The primary recommendation involves implementing strict input validation and sanitization for all user-supplied parameters, particularly those used in file inclusion operations. Applications should employ whitelisting approaches for file inclusion parameters, ensuring that only pre-approved paths or files can be included. Additionally, disabling remote file inclusion capabilities in PHP configuration through the disable_functions directive or by setting allow_url_include to off provides an additional layer of protection. Regular security audits and input validation testing should be conducted to identify similar vulnerabilities in other application components. The vulnerability also underscores the importance of keeping software updated and applying security patches promptly, as this issue was likely resolved in subsequent versions of the Article System. Organizations should also implement web application firewalls and runtime application self-protection mechanisms to detect and prevent exploitation attempts, while maintaining comprehensive monitoring and logging of file inclusion activities to identify potential abuse.