CVE-2006-5838 in News Publication System
Summary
by MITRE
PHP remote file inclusion vulnerability in lib/class.Database.php in NewP News Publication System 1.0.0, when register_globals is enabled, allows remote attackers to execute arbitrary PHP code via the path parameter.
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Analysis
by VulDB Data Team • 04/27/2026
The CVE-2006-5838 vulnerability represents a critical remote file inclusion flaw in the NewP News Publication System version 1.0.0 that exploits improper input validation mechanisms within its database class implementation. This vulnerability specifically targets the lib/class.Database.php file where the application fails to properly sanitize user-supplied input parameters, creating an avenue for malicious actors to inject and execute arbitrary PHP code on the affected system. The flaw becomes particularly dangerous when the server has register_globals enabled, a deprecated PHP configuration setting that automatically creates global variables from request parameters, thereby amplifying the attack surface and simplifying exploitation techniques.
The technical implementation of this vulnerability stems from the application's insecure handling of the path parameter within the Database class, where user input directly influences file inclusion operations without adequate sanitization or validation. When register_globals is enabled, the attacker can manipulate the path parameter through HTTP request variables, causing the application to include and execute malicious PHP code from remote locations. This type of vulnerability falls under the CWE-88 category of Improper Neutralization of Argument Delimiters in a Command, and more specifically aligns with CWE-94 which addresses Code Injection vulnerabilities. The attack vector operates through the exploitation of the include or require functions in PHP, where the path parameter is directly concatenated into file inclusion statements without proper input filtering or validation mechanisms.
From an operational perspective, this vulnerability presents a severe risk to organizations deploying the NewP News Publication System, as it allows remote code execution capabilities that can lead to complete system compromise. Attackers can leverage this vulnerability to execute arbitrary commands on the web server, potentially gaining access to sensitive data, installing backdoors, or using the compromised system as a launching point for further attacks within the network infrastructure. The impact extends beyond immediate code execution to include potential data breaches, service disruption, and unauthorized access to system resources. This vulnerability also aligns with the attack technique described in the MITRE ATT&CK framework under T1059.007 for Command and Scripting Interpreter, specifically focusing on PHP-based execution methods that exploit web application flaws.
The mitigation strategies for CVE-2006-5838 require immediate implementation of multiple defensive measures to address both the immediate vulnerability and prevent similar issues in the future. Organizations should disable register_globals in their PHP configurations as a primary remediation step, since this setting fundamentally undermines security by creating automatic global variables from request data. Additionally, input validation and sanitization mechanisms must be implemented to ensure that all user-supplied parameters undergo strict filtering before being used in file inclusion operations. The application code should be modified to use absolute paths for file inclusion operations rather than relying on user input, and proper error handling should be implemented to prevent information disclosure. Security best practices dictate that all file inclusion operations should utilize allowlist validation techniques, where only pre-approved file paths are permitted for inclusion, effectively eliminating the risk of arbitrary file inclusion attacks. Regular security audits and code reviews should be conducted to identify similar vulnerabilities in other components of the application, as this flaw demonstrates a pattern of insecure coding practices that may exist elsewhere in the system.