CVE-2007-3081 in ecommerce
Summary
by MITRE
PHP remote file inclusion vulnerability in sampleecommerce.php in Comdev eCommerce 4.1 allows remote attackers to execute arbitrary PHP code via a URL in the path[docroot] parameter.
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Analysis
by VulDB Data Team • 09/03/2018
The CVE-2007-3081 vulnerability represents a critical remote file inclusion flaw in the Comdev eCommerce 4.1 platform's sampleecommerce.php script. This vulnerability falls under the category of insecure direct object reference and remote code execution vulnerabilities, with direct implications for web application security. The flaw manifests when the application fails to properly validate or sanitize user input passed through the path[docroot] parameter, allowing malicious actors to inject arbitrary URLs that are then included and executed as PHP code. This type of vulnerability is particularly dangerous as it enables attackers to execute arbitrary commands on the target server, potentially leading to complete system compromise.
The technical exploitation of this vulnerability occurs when an attacker crafts a malicious URL and passes it through the vulnerable path[docroot] parameter. The application then processes this input without adequate sanitization, treating the provided URL as a legitimate file path and including it in the execution context. This behavior aligns with CWE-88, which describes improper neutralization of argument delimiters in a command, and CWE-94, which addresses improper control of generation of code. The vulnerability demonstrates a classic lack of input validation and output encoding, where user-supplied data flows directly into a dynamic include statement without proper sanitization mechanisms.
The operational impact of CVE-2007-3081 extends far beyond simple code execution, as it provides attackers with a foothold for further exploitation within the target environment. Successful exploitation can result in complete server compromise, data theft, or the installation of backdoors. Attackers can leverage this vulnerability to upload malicious files, establish persistent access, or use the compromised server as a launchpad for attacks on other systems. This vulnerability directly maps to several ATT&CK techniques including T1059 for command and script injection, T1078 for valid accounts, and T1105 for remote file execution, making it a significant threat in the context of enterprise security.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term security hardening. The primary fix involves implementing proper input validation and sanitization for all user-supplied parameters, particularly those used in file inclusion operations. Organizations should employ allow-list validation for file paths, reject any input containing suspicious characters or protocols, and implement proper parameter encoding. Additionally, the application should be configured to disable remote file inclusion features entirely, using local file paths only for include operations. Security measures should include regular code reviews, implementation of web application firewalls, and adherence to secure coding practices that prevent the direct use of user input in dynamic execution contexts. The vulnerability serves as a reminder of the critical importance of input validation and the principle of least privilege in web application security.