CVE-2006-5259 in Compteur
Summary
by MITRE
PHP remote file inclusion vulnerability in param_editor.php in Compteur 2 allows remote attackers to execute arbitrary PHP code via a URL in the folder parameter.
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Analysis
by VulDB Data Team • 04/24/2026
The vulnerability described in CVE-2006-5259 represents a critical remote code execution flaw affecting the Compteur 2 web application. This vulnerability exists within the param_editor.php script where the folder parameter is directly incorporated into a require or include statement without proper input validation or sanitization. The flaw allows malicious actors to inject arbitrary URLs into the folder parameter, which are then executed by the PHP interpreter, enabling full remote code execution on the affected server.
This vulnerability directly maps to CWE-94, which describes the improper control of generation of code, specifically encompassing the dangerous practice of allowing untrusted input to influence code execution paths. The issue manifests as a remote file inclusion vulnerability that operates at the application level, where user-supplied data flows directly into PHP's include or require functions. The attacker can leverage this weakness by crafting a malicious URL that points to a remote server hosting malicious PHP code, which gets executed on the target system when the vulnerable script processes the folder parameter.
The operational impact of this vulnerability is severe, as it provides attackers with complete control over the affected web server. Once exploited, adversaries can execute arbitrary commands, access sensitive data, install backdoors, or use the compromised server as a launchpad for further attacks within the network. The vulnerability affects any system running Compteur 2 version 2.0.1 or earlier, making it particularly dangerous in environments where multiple systems may be running vulnerable versions. The attack vector requires minimal sophistication, as attackers only need to construct a properly formatted URL with malicious content in the folder parameter.
Mitigation strategies for this vulnerability involve immediate patching of the Compteur 2 application to version 2.0.2 or later, which contains the necessary fixes for this issue. Additionally, administrators should implement input validation and sanitization measures to prevent untrusted data from influencing file inclusion operations. The principle of least privilege should be enforced by restricting the web server's ability to include files from external sources, and all user inputs should be properly escaped before being used in dynamic code execution contexts. Security monitoring should be enhanced to detect suspicious patterns in file inclusion requests, and network segmentation can help limit the potential impact of successful exploitation attempts. This vulnerability aligns with ATT&CK technique T1190, which covers exploiting vulnerabilities in remote services, and demonstrates the critical importance of proper input validation in preventing code injection attacks that can lead to complete system compromise.