CVE-2007-2615 in PHPLojaFacil
Summary
by MITRE
Multiple PHP remote file inclusion vulnerabilities in Crie seu PHPLojaFacil 0.1.5 allow remote attackers to execute arbitrary PHP code via a URL in the path_local parameter to (1) ftp.php, (2) libs/db.php, and (3) libs/ftp.php.
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Analysis
by VulDB Data Team • 09/13/2024
The vulnerability identified as CVE-2007-2615 represents a critical remote file inclusion flaw affecting Crie seu PHPLojaFacil version 0.1.5, which falls under the broader category of insecure direct object references and improper input validation issues. This vulnerability stems from the application's failure to properly sanitize user-supplied input parameters, specifically the path_local parameter, which is used in multiple script files including ftp.php, libs/db.php, and libs/ftp.php. The flaw enables malicious actors to inject arbitrary URLs that can be executed on the target server, creating a pathway for remote code execution through the exploitation of PHP's include or require functions. The vulnerability directly maps to CWE-98, which describes improper control of generation of code, and represents a classic example of a remote code execution vulnerability that can be leveraged for complete system compromise. The attack vector is particularly concerning as it does not require authentication or specialized privileges, making it accessible to any remote attacker who can manipulate the affected parameters.
The technical implementation of this vulnerability exploits the fundamental weakness in PHP's include functionality where dynamic file paths are constructed using user-controllable data without proper validation or sanitization. When an attacker supplies a malicious URL in the path_local parameter, the application processes this input directly within the include statement, allowing the PHP interpreter to fetch and execute remote code from the attacker-controlled server. This behavior creates a persistent threat where attackers can establish backdoors, exfiltrate data, or perform further reconnaissance and lateral movement within the compromised network. The vulnerability affects multiple files within the application's codebase, indicating a systemic issue in how the application handles file inclusion operations and parameter validation. The exploitation requires minimal technical knowledge and can be automated, making it particularly dangerous for widespread deployment.
The operational impact of this vulnerability extends beyond simple code execution to encompass complete system compromise and potential data breaches. An attacker who successfully exploits this vulnerability can gain full control over the affected web server, potentially leading to unauthorized access to sensitive customer data, financial information, or proprietary business data stored within the application. The vulnerability also creates opportunities for attackers to establish persistent access through backdoor installations, making long-term compromise of the system possible. From an enterprise security perspective, this vulnerability represents a critical risk to organizations that rely on legacy PHP applications, as it demonstrates the dangers of insufficient input validation and the importance of proper parameter sanitization. The vulnerability aligns with ATT&CK technique T1190, which describes exploiting vulnerabilities in web applications, and T1071.004, covering application layer protocol manipulation.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term architectural improvements to prevent similar issues. The primary solution involves implementing strict input validation and sanitization for all user-controllable parameters, particularly those used in file inclusion operations. Organizations should enforce the use of allowlists for file paths and reject any input that contains remote URL schemes or suspicious patterns. Additionally, the application should be updated to use secure file inclusion methods that do not rely on dynamic parameter concatenation, such as using a configuration-based approach or implementing a whitelist of allowed files. The vulnerability also highlights the importance of regular security assessments and code reviews, particularly for legacy applications that may not follow modern security best practices. Organizations should also consider implementing web application firewalls to detect and block malicious requests attempting to exploit such vulnerabilities. The remediation process should include comprehensive testing to ensure that all affected files are properly secured and that legitimate functionality remains intact while eliminating the attack vectors that enable remote code execution through file inclusion.