CVE-2006-4076 in Docpile We
Summary
by MITRE
Multiple PHP remote file inclusion vulnerabilities in Wim Fleischhauer docpile: wim s edition (docpile:we) 0.2.2 allow remote attackers to execute arbitrary PHP code via a URL in the INIT_PATH parameter to (1) lib/access.inc.php, (2) lib/folders.inc.php, (3) lib/init.inc.php or (4) lib/templates.inc.php. NOTE: the provenance of this information is unknown; the details are obtained from third party information.
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Analysis
by VulDB Data Team • 08/21/2017
The vulnerability described in CVE-2006-4076 represents a critical remote code execution flaw affecting the docpile:we application version 0.2.2 developed by Wim Fleischhauer. This issue manifests as multiple remote file inclusion vulnerabilities that enable attackers to inject and execute arbitrary PHP code on the target system. The vulnerability specifically targets four key files within the application's library structure including lib/access.inc.php, lib/folders.inc.php, lib/init.inc.php, and lib/templates.inc.php, all of which accept user-supplied input through the INIT_PATH parameter.
The technical nature of this vulnerability aligns with CWE-88, which describes improper neutralization of special elements used in an expression, and CWE-94, which covers execution of arbitrary code. The flaw occurs when the application fails to properly validate or sanitize user input passed through the INIT_PATH parameter, allowing malicious actors to inject URLs that point to external resources containing malicious PHP code. This type of vulnerability falls under the ATT&CK framework category of T1190 - Exploit Public-Facing Application, where attackers leverage web application vulnerabilities to gain unauthorized access and execute code remotely.
The operational impact of this vulnerability is severe as it provides attackers with complete control over the affected system. Once exploited, adversaries can execute arbitrary commands, access sensitive data, install backdoors, or use the compromised server as a launching point for further attacks within the network. The vulnerability's remote nature means that attackers do not require physical access or prior authentication to exploit the flaw, making it particularly dangerous for publicly accessible web applications. The affected files are core components of the application's initialization and functionality, meaning successful exploitation could compromise the entire application's integrity and availability.
Mitigation strategies for this vulnerability should include immediate patching of the affected application to version 0.2.3 or later, which would address the input validation issues. Organizations should implement proper input sanitization and validation mechanisms to ensure that all user-supplied parameters are thoroughly checked before being processed. The principle of least privilege should be enforced by restricting the application's ability to include external resources, and proper web application firewalls should be deployed to monitor and filter malicious requests. Additionally, regular security assessments and code reviews should be conducted to identify similar vulnerabilities in other applications, as this type of flaw commonly occurs in legacy systems where proper input validation was not adequately implemented.