CVE-2007-3084 in Web Blogger
Summary
by MITRE
PHP remote file inclusion vulnerability in sampleblogger.php in Comdev Web Blogger 4.1 allows remote attackers to execute arbitrary PHP code via a URL in the path[docroot] parameter, a different vector than CVE-2006-5441.
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Analysis
by VulDB Data Team • 10/28/2017
The vulnerability described in CVE-2007-3084 represents a critical remote file inclusion flaw in the Comdev Web Blogger 4.1 application that exposes systems to arbitrary code execution attacks. This vulnerability specifically affects the sampleblogger.php script and manifests through the path[docroot] parameter, creating a pathway for malicious actors to inject and execute unauthorized PHP code on affected servers. The issue constitutes a significant security weakness that directly violates the principle of input validation and proper parameter sanitization in web applications.
This vulnerability operates under the well-documented CWE-88 category, which encompasses weaknesses related to command injection and file inclusion flaws. The flaw stems from the application's failure to properly validate or sanitize user-supplied input parameters before using them in file inclusion operations. Attackers can exploit this by crafting malicious URLs containing arbitrary PHP code within the path[docroot] parameter, allowing them to include remote files and execute code with the privileges of the web server process. The vulnerability differs from CVE-2006-5441 in its exploitation vector, indicating a separate code path that attackers can leverage to achieve remote code execution.
The operational impact of this vulnerability extends beyond simple code execution, as it provides attackers with potential access to sensitive system resources and data. When exploited successfully, the vulnerability enables attackers to upload malicious files, establish backdoors, or perform further reconnaissance and lateral movement within the compromised network. The attack surface is particularly concerning given that the vulnerability affects a web-based blogging application, which often runs with elevated privileges and may have access to database credentials, user information, and other sensitive resources. Organizations running Comdev Web Blogger 4.1 are exposed to immediate risk of complete system compromise and potential data breaches.
Mitigation strategies for this vulnerability should focus on immediate patching of the affected application to version 4.2 or later, which contains the necessary fixes for the remote file inclusion flaw. Additionally, implementing proper input validation and sanitization measures can help prevent exploitation by ensuring that user-supplied parameters are properly validated before being processed. Network-level protections such as web application firewalls and strict access controls can provide additional defense-in-depth measures. The vulnerability also highlights the importance of following secure coding practices and adhering to the ATT&CK framework's mitigation recommendations for preventing remote code execution through input manipulation. Organizations should also implement regular security assessments and vulnerability scanning to identify similar weaknesses in their web applications.