CVE-2007-4341 in Lib2 Php Library
Summary
by MITRE
PHP remote file inclusion vulnerability in adm/my_statistics.php in Omnistar Lib2 PHP 0.2 allows remote attackers to execute arbitrary PHP code via a URL in the DOCUMENT_ROOT parameter.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 09/27/2025
The vulnerability described in CVE-2007-4341 represents a critical remote file inclusion flaw within the Omnistar Lib2 PHP 0.2 web application, specifically affecting the adm/my_statistics.php component. This issue arises from improper input validation and sanitization mechanisms that fail to adequately restrict user-supplied data from being directly incorporated into file inclusion operations. The vulnerability exists because the application accepts the DOCUMENT_ROOT parameter without sufficient validation, allowing malicious actors to inject arbitrary URLs that can be executed within the context of the web server. Such a flaw enables attackers to leverage the application's file inclusion functionality to execute malicious code remotely, potentially leading to complete system compromise.
The technical implementation of this vulnerability stems from the application's reliance on user-provided input for determining file paths during the inclusion process. When the DOCUMENT_ROOT parameter is passed to the application without proper sanitization or validation, it creates an opportunity for attackers to manipulate the execution flow by injecting URLs pointing to malicious resources hosted on remote servers. This type of vulnerability falls under the category of CWE-98, which describes improper file inclusion where untrusted input is used to determine the file to be included. The weakness manifests when the application uses functions such as include() or require() with user-controllable variables, creating a path traversal and code execution vector that can be exploited through crafted HTTP requests.
The operational impact of this vulnerability extends beyond simple code execution, as it provides attackers with a pathway to establish persistent access to the affected system. Once successfully exploited, attackers can execute arbitrary PHP code with the privileges of the web server process, potentially leading to data breaches, system compromise, or further network infiltration. The vulnerability is particularly dangerous because it allows remote code execution without requiring authentication, making it an attractive target for automated attacks. Attackers can leverage this flaw to upload backdoors, steal sensitive data, or use the compromised server as a launchpad for attacking other systems within the network infrastructure. According to ATT&CK framework, this vulnerability maps to T1190 - Exploit Public-Facing Application, and T1059.007 - Command and Scripting Interpreter: PHP, highlighting the exploitation techniques and post-compromise activities that can be performed.
Mitigation strategies for this vulnerability require immediate implementation of input validation and sanitization measures within the affected application. Organizations should implement strict parameter validation that rejects any input containing suspicious patterns such as URL schemes or directory traversal sequences. The recommended approach involves using allowlists of acceptable values rather than denylists, ensuring that only legitimate DOCUMENT_ROOT values are accepted. Additionally, the application should be updated to use absolute path resolution instead of relative paths when including files, and the web server configuration should be adjusted to prevent remote file inclusion through disable_functions and safe_mode settings. Security patches should be applied immediately, and the application should be configured with proper access controls and input validation routines to prevent similar vulnerabilities from occurring in future versions.