CVE-2007-2940 in FlaP
Summary
by MITRE
Multiple PHP remote file inclusion vulnerabilities in FlaP 1.0b (1.0 Beta) allow remote attackers to execute arbitrary PHP code via a URL in the pachtofile parameter to (1) skin/html/table.php or (2) login.php.
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Analysis
by VulDB Data Team • 09/19/2024
The CVE-2007-2940 vulnerability represents a critical remote file inclusion flaw affecting FlaP 1.0b (1.0 Beta) content management system. This vulnerability resides in the application's handling of user-supplied input within the pachtofile parameter, which is processed in two primary files: skin/html/table.php and login.php. The flaw stems from inadequate input validation and sanitization mechanisms that fail to properly restrict the sources from which files can be included, creating an avenue for malicious actors to inject and execute arbitrary PHP code on the target server. Such vulnerabilities fall under the CWE-88 category, specifically addressing improper neutralization of special elements used in an eval-like context, and align with ATT&CK technique T1190 for exploitation of remote services through web application vulnerabilities.
The technical exploitation of this vulnerability occurs when an attacker crafts a malicious URL and passes it as the pachtofile parameter to either of the affected scripts. The application processes this input without adequate validation, allowing the attacker to specify external URLs that contain malicious PHP code. When the application attempts to include this file, the server executes the malicious code with the privileges of the web application, potentially enabling complete system compromise. This type of vulnerability is particularly dangerous because it can be exploited through simple HTTP requests without requiring authentication, making it a prime target for automated attacks and mass exploitation campaigns. The vulnerability demonstrates poor input validation practices and highlights the critical importance of implementing proper secure coding practices to prevent unauthorized file inclusion operations.
The operational impact of CVE-2007-2940 extends beyond simple code execution to encompass full system compromise and data breach potential. Attackers can leverage this vulnerability to establish persistent backdoors, exfiltrate sensitive data, modify website content, or use the compromised server as a launchpad for further attacks within the network infrastructure. The vulnerability's exposure in publicly accessible web applications makes it particularly attractive to threat actors engaged in automated scanning and exploitation campaigns. Organizations running affected versions of FlaP face significant risk of unauthorized access, system manipulation, and potential regulatory compliance violations due to the exposure of sensitive information and lack of proper access controls. The vulnerability's exploitation can result in complete loss of system integrity and availability, with potential cascading effects throughout the organization's digital infrastructure.
Mitigation strategies for CVE-2007-2940 require immediate implementation of input validation and sanitization measures to prevent unauthorized file inclusion operations. Organizations should disable the vulnerable functionality by removing or restricting the pachtofile parameter usage, implement proper input validation that rejects external URL references, and apply secure coding practices that prevent dynamic file inclusion from untrusted sources. The most effective remediation involves upgrading to a patched version of FlaP or implementing proper parameter validation that ensures only local file paths are accepted for inclusion operations. Security measures should include disabling file inclusion features that accept user-supplied input, implementing web application firewalls to detect and block malicious requests, and conducting regular security assessments to identify similar vulnerabilities in other applications. Additionally, organizations should establish proper access controls, monitor application logs for suspicious activity, and maintain up-to-date security patches to prevent exploitation of known vulnerabilities. The remediation process should follow established security frameworks and best practices for web application security, including principles from the OWASP Top Ten and NIST cybersecurity guidelines to ensure comprehensive protection against similar remote file inclusion threats.