CVE-2008-5334 in NitroTech
Summary
by MITRE
PHP remote file inclusion vulnerability in includes/common.php in NitroTech 0.0.3a allows remote attackers to execute arbitrary PHP code via a URL in the root parameter.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 11/11/2024
The vulnerability identified as CVE-2008-5334 represents a critical remote file inclusion flaw in the NitroTech content management system version 0.0.3a. This vulnerability exists within the includes/common.php file where the application fails to properly validate user-supplied input before incorporating it into file inclusion operations. The root parameter in the URL serves as the attack vector, allowing malicious actors to inject arbitrary URLs that the application then attempts to include and execute as PHP code. This type of vulnerability falls under the category of CWE-88, which specifically addresses improper neutralization of special elements used in an OS command, and more broadly aligns with CWE-94, which covers improper control of generation of code, commonly known as code injection vulnerabilities.
The technical exploitation of this vulnerability occurs when an attacker crafts a malicious URL containing a remote file reference and passes it as the root parameter to the vulnerable application. When the NitroTech system processes this input without adequate sanitization, it executes the remote code from the attacker-controlled URL, effectively granting the remote attacker complete control over the affected system. The flaw stems from the application's improper handling of user input during the file inclusion process, where the system directly incorporates user-supplied data into the include statement without validation or sanitization. This vulnerability enables attackers to execute arbitrary PHP code, potentially leading to full system compromise, data theft, or service disruption. The attack can be classified under the MITRE ATT&CK framework as a code injection technique, specifically using the T1059.007 sub-technique related to PHP.
The operational impact of CVE-2008-5334 extends beyond simple code execution, as it provides attackers with the capability to establish persistent access to the compromised system. Once exploited, attackers can upload additional malicious files, create backdoors, or use the compromised server as a launching point for further attacks against other systems within the network. The vulnerability affects the integrity and availability of the NitroTech application, potentially allowing attackers to modify or delete critical application files, manipulate database content, or redirect traffic to malicious destinations. Organizations running this version of NitroTech face significant risk, as the vulnerability can be exploited remotely without authentication, making it particularly dangerous for publicly accessible web applications. The attack surface is expanded by the fact that this vulnerability affects not just the immediate application but could potentially be used to compromise the entire hosting environment, especially if the server has elevated privileges or if the application shares resources with other services. Security practitioners should note that this vulnerability demonstrates the critical importance of input validation and proper secure coding practices, particularly in file inclusion operations where user input directly influences the execution flow of the application.
Mitigation strategies for CVE-2008-5334 require immediate action to address the root cause of the vulnerability. The most effective approach involves implementing proper input validation and sanitization for all user-supplied parameters, particularly those used in file inclusion operations. Organizations should disable the ability to pass external URLs for file inclusion and instead implement a whitelist of allowed file paths. The recommended solution includes modifying the includes/common.php file to validate the root parameter against a predefined list of acceptable values or implementing strict input filtering that prevents the inclusion of remote URLs. Additionally, the application should be updated to a newer version of NitroTech that addresses this vulnerability, as version 0.0.3a is an outdated release that likely contains other unpatched security flaws. System administrators should also implement proper access controls and network segmentation to limit the potential impact of successful exploitation. The vulnerability's classification as CWE-94 and its mapping to ATT&CK technique T1059.007 highlight the need for comprehensive defensive measures including web application firewalls, regular security assessments, and adherence to secure coding guidelines. Organizations should also consider implementing automated monitoring solutions that can detect attempts to exploit this vulnerability by monitoring for suspicious URL patterns and file inclusion activities.