CVE-2006-4770 in Miniportal
Summary
by MITRE
PHP remote file inclusion vulnerability in menu.php in MiniPort@l 2.0 and earlier allows remote attackers to execute arbitrary PHP code via a URL in the skiny parameter.
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Analysis
by VulDB Data Team • 07/19/2024
The vulnerability identified as CVE-2006-4770 represents a critical remote file inclusion flaw within the MiniPort@l content management system version 2.0 and earlier. This issue resides in the menu.php script which fails to properly validate or sanitize user input parameters, specifically the skiny parameter that accepts URL values. The vulnerability classifies under CWE-98 as improper input validation leading to remote code execution, making it a prime target for attackers seeking unauthorized system compromise.
The technical exploitation of this vulnerability occurs when an attacker supplies a malicious URL through the skiny parameter in the menu.php script. The application processes this input without adequate sanitization, allowing the inclusion of remote PHP files that can contain malicious code. This creates an execution path where attacker-controlled code can be interpreted and executed by the web server, effectively granting remote code execution capabilities. The flaw demonstrates poor input validation practices and lacks proper parameter sanitization mechanisms that would normally prevent such attacks from succeeding.
The operational impact of this vulnerability extends beyond simple code execution, as it provides attackers with the ability to completely compromise the affected system. Once exploited, attackers can upload additional malicious files, establish persistent backdoors, access sensitive data, or use the compromised system as a launch point for further attacks within the network. The vulnerability affects the confidentiality, integrity, and availability of the affected web application, potentially leading to complete system takeover. This type of vulnerability falls under ATT&CK technique T1190 for exploitation of remote services and T1059 for execution through PHP scripts, representing a significant threat to web application security.
Mitigation strategies for this vulnerability should focus on immediate patching of the MiniPort@l application to version 2.1 or later, which contains the necessary input validation fixes. Additionally, administrators should implement proper input sanitization measures including whitelisting acceptable parameter values, implementing proper URL validation, and using secure coding practices that prevent dynamic code inclusion. Network-level protections such as web application firewalls and intrusion detection systems can provide additional defense in depth. The vulnerability serves as a reminder of the importance of validating all user inputs and implementing proper parameter sanitization to prevent remote file inclusion attacks, which remain a prevalent threat in web application security. Organizations should conduct thorough security assessments of their web applications and ensure proper patch management procedures are in place to address similar vulnerabilities in the future.