CVE-2007-4287 in FishCart
Summary
by MITRE
PHP remote file inclusion vulnerability in fc_functions/fc_example.php in FishCart 3.2 RC2 and earlier allows remote attackers to execute arbitrary PHP code via a URL in the docroot parameter.
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Analysis
by VulDB Data Team • 09/29/2024
The vulnerability identified as CVE-2007-4287 represents a critical remote file inclusion flaw within the FishCart e-commerce platform version 3.2 RC2 and earlier. This vulnerability resides in the fc_functions/fc_example.php script where the application fails to properly validate or sanitize user-supplied input parameters. The specific parameter affected is the docroot parameter which is directly incorporated into file inclusion operations without adequate security controls, creating a pathway for malicious actors to inject and execute arbitrary PHP code on the target system.
This vulnerability aligns with CWE-98, which describes improper input validation leading to remote file inclusion attacks, and demonstrates the classic pattern of insecure file handling where user-controllable variables are used directly in include or require statements. The flaw operates at the application layer and represents a severe security weakness that can be exploited without authentication, allowing attackers to leverage the vulnerable parameter to load malicious PHP scripts from remote servers. The attack vector specifically targets the docroot parameter which likely controls the document root path for file operations within the FishCart application.
The operational impact of this vulnerability extends beyond simple code execution, as it provides attackers with complete control over the affected web server. Successful exploitation enables adversaries to upload and execute malicious payloads, potentially leading to full system compromise, data exfiltration, and persistence mechanisms. The vulnerability affects the availability, integrity, and confidentiality of the web application and underlying system, as attackers can manipulate the application's behavior to serve malicious content, modify existing files, or establish backdoors for continued access. This type of vulnerability is particularly dangerous in web environments where applications process user input directly without proper sanitization.
Mitigation strategies for CVE-2007-4287 should focus on immediate remediation through input validation and parameter sanitization. The primary fix involves implementing strict input validation for the docroot parameter to ensure it only accepts expected values and rejects any URLs or external references. Organizations should also implement the principle of least privilege by restricting file inclusion operations to local paths only and avoiding dynamic path construction from user input. Additionally, the application should be updated to a patched version of FishCart that addresses this vulnerability, as the original version contains no built-in protections against such attacks. Security controls should include web application firewalls that can detect and block suspicious parameter values, and regular security assessments to identify similar vulnerabilities in other components of the web application stack. The vulnerability demonstrates the importance of secure coding practices and input validation as outlined in the ATT&CK framework's technique T1190 for exploitation through remote file inclusion, emphasizing that such vulnerabilities can be leveraged for initial access and privilege escalation within compromised systems.