CVE-2006-2175 in Fast Click
Summary
by MITRE
PHP remote file inclusion vulnerability in FtrainSoft Fast Click 2.3.8 and earlier allows remote attackers to execute arbitrary PHP code via a URL in the path parameter to (1) show.php or (2) top.php.
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Analysis
by VulDB Data Team • 06/23/2024
The vulnerability identified as CVE-2006-2175 represents a critical remote file inclusion flaw in FtrainSoft Fast Click version 2.3.8 and earlier implementations. This vulnerability resides within the application's handling of user-supplied input in the path parameter, which is processed through two specific script endpoints: show.php and top.php. The flaw enables remote attackers to inject malicious URLs that are then executed as PHP code on the vulnerable server, creating a severe security risk that can be exploited without authentication or prior access to the system.
The technical nature of this vulnerability aligns with CWE-88, which describes improper neutralization of special elements used in an expression, specifically in the context of remote file inclusion attacks. The vulnerability occurs when the application fails to properly validate or sanitize user input before incorporating it into file paths or URL references. Attackers can leverage this weakness by crafting malicious URLs that, when passed through the path parameter, are interpreted and executed by the PHP interpreter. This creates an execution environment where arbitrary code can be injected and run with the privileges of the web server process, potentially leading to complete system compromise.
The operational impact of this vulnerability is substantial and multifaceted. Remote attackers can execute arbitrary PHP code on the target system, which may allow them to establish persistent backdoors, exfiltrate sensitive data, modify application functionality, or use the compromised server as a launch point for further attacks. The vulnerability affects the core functionality of the Fast Click application and can result in unauthorized access to databases, file systems, or other network resources that the web server has access to. Additionally, the attack vector is particularly dangerous because it requires no user interaction beyond accessing the vulnerable web application, making it highly exploitable in automated attack scenarios.
Mitigation strategies for CVE-2006-2175 should focus on immediate patching of the affected FtrainSoft Fast Click versions to the latest available release that addresses this vulnerability. Organizations should implement input validation and sanitization measures to prevent malicious URLs from being processed through the path parameter. The principle of least privilege should be enforced by ensuring that web server processes run with minimal required permissions. Additionally, network-based protections such as web application firewalls and intrusion prevention systems can help detect and block exploitation attempts. Security monitoring should include detection of suspicious URL patterns and unauthorized file access attempts. The vulnerability demonstrates the critical importance of secure coding practices and input validation, particularly when dealing with dynamic file inclusion mechanisms that are common in many web applications. This flaw serves as a reminder of the necessity for comprehensive security testing and regular vulnerability assessments to identify and remediate similar weaknesses before they can be exploited by malicious actors.