CVE-2006-7003 in Fusion Polls
Summary
by MITRE
PHP remote file inclusion vulnerability in admin/index.php in Fusion Polls allows remote attackers to execute arbitrary PHP code via a URL in the xtrphome parameter.
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Analysis
by VulDB Data Team • 10/14/2017
The vulnerability identified as CVE-2006-7003 represents a critical remote file inclusion flaw in the Fusion Polls administrative component that exposes systems to arbitrary code execution. This vulnerability specifically affects the admin/index.php file where the xtrphome parameter is processed without proper input validation, creating an attack vector that allows malicious actors to inject and execute arbitrary PHP code on the target server. The flaw stems from the application's failure to sanitize user-supplied input before incorporating it into file inclusion operations, a classic pattern that has been documented in numerous security advisories and vulnerability assessments.
This vulnerability operates under the Common Weakness Enumeration category CWE-98, which specifically addresses "Improper Control of Generation of Code ('Code Injection')" and falls within the broader ATT&CK technique T1190 for "Exploit Public-Facing Application" and T1059.007 for "Command and Scripting Interpreter: PHP". The attack mechanism involves an attacker constructing a malicious URL and passing it through the xtrphome parameter, which is then processed by the vulnerable application and executed as part of the file inclusion process. This allows remote threat actors to execute malicious PHP scripts on the server, potentially leading to complete system compromise and unauthorized access to sensitive data.
The operational impact of this vulnerability is severe and multifaceted, as it enables attackers to execute arbitrary commands on the compromised system with the privileges of the web server process. Successful exploitation can result in data theft, system takeover, privilege escalation, and the establishment of persistent backdoors within the network infrastructure. The vulnerability affects any system running Fusion Polls version that includes the vulnerable admin/index.php file, making it particularly dangerous in environments where multiple web applications are deployed. Organizations may experience unauthorized access to databases, modification of web content, and potential lateral movement within the network through compromised web servers that serve as entry points for broader attacks.
Mitigation strategies for CVE-2006-7003 should prioritize immediate patching of the affected Fusion Polls application to the latest available version that addresses this vulnerability. System administrators should implement input validation and sanitization measures to prevent malicious URLs from being processed through the xtrphome parameter, utilizing proper parameter validation techniques that reject or encode suspicious input before it reaches the file inclusion logic. Network-level defenses including web application firewalls and intrusion prevention systems can provide additional protection by monitoring for known malicious patterns in HTTP requests. Security configurations should disable remote file inclusion features entirely where possible, and organizations should conduct comprehensive vulnerability assessments to identify any other applications that may be susceptible to similar remote file inclusion vulnerabilities. Regular security audits and maintaining up-to-date security patches form the cornerstone of defending against this class of attack, as the vulnerability represents a well-known pattern that has been extensively documented in security literature and exploited in numerous real-world incidents.