CVE-2000-0774 in Java HTTP Server
Summary
by MITRE
The sample Java servlet "test" in Bajie HTTP web server 0.30a reveals the real pathname of the web document root.
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Analysis
by VulDB Data Team • 10/12/2025
The vulnerability described in CVE-2000-0774 represents a critical information disclosure flaw within the Bajie HTTP web server version 0.30a. This issue stems from the implementation of a sample Java servlet named "test" that inadvertently exposes the actual filesystem path structure of the web server's document root directory. The vulnerability occurs when users access the sample servlet through the web interface, causing the server to return detailed error messages containing the absolute filesystem paths used to serve web content. This type of information disclosure vulnerability falls under the category of CWE-200, which specifically addresses the exposure of sensitive information through improper error handling or debugging mechanisms.
The technical exploitation of this vulnerability involves simple web requests to the test servlet endpoint, which triggers the server to respond with path information that reveals the underlying filesystem structure. Attackers can leverage this information to understand the server's directory hierarchy, potentially identifying other sensitive directories or files that might exist within the web server's root path. The exposure of real pathnames creates a foundation for further attacks including directory traversal attempts, file inclusion vulnerabilities, and potential exploitation of other server-side weaknesses that rely on knowledge of the filesystem structure. This vulnerability directly impacts the principle of least privilege and information hiding that should be maintained in secure web server configurations.
The operational impact of CVE-2000-0774 extends beyond simple information disclosure, as it provides attackers with crucial reconnaissance data that significantly reduces the effort required to launch subsequent attacks. When combined with other vulnerabilities or reconnaissance techniques, this path exposure can enable attackers to map the entire server filesystem structure and identify potential targets for exploitation. The vulnerability represents a fundamental security misconfiguration where the server's debugging features remain enabled in production environments, violating standard security practices outlined in various security frameworks and guidelines. This issue is particularly concerning because it demonstrates poor security hygiene in the default configuration of the Bajie HTTP server software.
Mitigation strategies for this vulnerability focus on removing or disabling the sample servlet components that expose path information, ensuring that all debug and testing features are disabled in production environments. Organizations should implement proper error handling mechanisms that do not reveal sensitive filesystem information to end users, following the principles of secure coding practices and defensive programming. The recommended approach includes configuring the web server to return generic error messages instead of detailed system information, and conducting regular security audits to identify and remove unnecessary components that might expose internal system details. This vulnerability highlights the importance of security by design principles and the need for comprehensive security testing during software development and deployment phases, aligning with the security controls recommended in various cybersecurity frameworks including those related to the ATT&CK framework's defense evasion and reconnaissance categories.