CVE-2006-6748 in Newxooper
Summary
by MITRE
PHP remote file inclusion vulnerability in i-accueil.php in Newxooper 0.9 and earlier allows remote attackers to execute arbitrary PHP code via a URL in the chemin parameter. NOTE: The provenance of this information is unknown; the details are obtained solely from third party information.
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Analysis
by VulDB Data Team • 08/12/2018
The vulnerability identified as CVE-2006-6748 represents a critical remote file inclusion flaw in the Newxooper content management system version 0.9 and earlier. This vulnerability exists within the i-accueil.php script where user-supplied input is directly incorporated into a file inclusion operation without proper validation or sanitization. The specific parameter affected is termed "chemin" which accepts URL values that are then processed by the application's include mechanism. This creates a pathway for malicious actors to inject and execute arbitrary PHP code on the target server, effectively compromising the entire system.
From a technical perspective, this vulnerability maps directly to CWE-88, which describes improper neutralization of special elements used in an OS command, and more specifically to CWE-94, which addresses the execution of arbitrary code or commands. The flaw occurs because the application fails to implement proper input validation and sanitization before using user-provided data in file inclusion operations. When an attacker supplies a malicious URL through the chemin parameter, the web application processes this input and attempts to include the remote file, thereby executing any PHP code contained within it. This type of vulnerability is particularly dangerous because it allows for complete system compromise and can be exploited to establish persistent backdoors, exfiltrate data, or launch further attacks against the internal network.
The operational impact of this vulnerability extends beyond simple code execution, as it fundamentally undermines the security posture of any system running the affected Newxooper version. Attackers can leverage this flaw to gain unauthorized access to sensitive data, modify content, or use the compromised server as a launching point for attacks on other systems. The vulnerability's remote nature means that exploitation can occur from anywhere on the internet without requiring physical access or prior authentication. According to ATT&CK framework, this vulnerability corresponds to techniques such as T1190 - Exploit Public-Facing Application and T1059.007 - Command and Scripting Interpreter: PHP, which describes how adversaries can execute malicious code through PHP scripts. The attack surface is particularly broad as any user who can submit data to the chemin parameter can potentially exploit this vulnerability.
Mitigation strategies for this vulnerability must address both the immediate remediation and long-term security improvements. The most effective immediate solution involves upgrading to a patched version of Newxooper that properly validates and sanitizes input parameters before using them in file inclusion operations. Organizations should implement proper input validation techniques that reject or escape special characters and URLs that could lead to remote file inclusion attacks. Additionally, the principle of least privilege should be enforced by ensuring that web applications run with minimal necessary permissions and that file inclusion operations are restricted to local files only. Security configurations should include disabling remote file inclusion capabilities in PHP settings and implementing proper web application firewalls that can detect and block suspicious URL patterns. The vulnerability also highlights the importance of regular security assessments and vulnerability scanning to identify similar flaws in legacy systems that may not be properly maintained or updated.