CVE-2002-1928 in 602Pro LAN Suite
Summary
by MITRE
602Pro LAN SUITE 2002 allows remote attackers to view the directory tree via an HTTP GET request with a trailing "~" (tilde) or ".bak" extension.
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Analysis
by VulDB Data Team • 09/01/2025
The vulnerability described in CVE-2002-1928 affects the 602Pro LAN SUITE 2002 software, which was a network file sharing and collaboration platform designed for small to medium enterprises. This particular weakness stems from an inadequate input validation mechanism within the web server component of the application. The flaw manifests when the system processes HTTP GET requests that contain specific file path extensions, particularly those ending with a tilde character or the .bak extension. This vulnerability represents a classic example of improper input sanitization that can lead to information disclosure issues.
The technical nature of this vulnerability lies in how the web server handles file path resolution when processing requests with trailing characters that are commonly associated with backup files or temporary file indicators. When an attacker submits an HTTP GET request containing a path that ends with "~" or ".bak", the application fails to properly validate or sanitize the input before attempting to resolve the directory structure. This results in the web server returning directory listings that would normally be protected or inaccessible to unauthorized users. The vulnerability operates at the application layer of the network stack, specifically within the web server component that handles HTTP requests, making it particularly dangerous as it can be exploited through standard web browser interactions without requiring any specialized tools or privileges.
From an operational impact perspective, this vulnerability creates a significant security risk for organizations using the 602Pro LAN SUITE 2002. An unauthenticated remote attacker can gain unauthorized access to directory structures that may contain sensitive files, user data, or system configurations. The exposure of directory trees can lead to information disclosure that might reveal file names, directory hierarchies, and potentially sensitive organizational data. This type of information disclosure can serve as a foundation for more sophisticated attacks, including further reconnaissance, privilege escalation attempts, or exploitation of other vulnerabilities within the network. The vulnerability is particularly concerning because it allows for remote exploitation without requiring any authentication credentials, making it accessible to anyone who can reach the affected web server.
The security implications of this vulnerability align with several common attack patterns and threat models. According to the MITRE ATT&CK framework, this represents a form of information gathering or reconnaissance activity that could be categorized under techniques for collecting information about the target environment. The vulnerability also relates to CWE-20, which covers "Improper Input Validation," and CWE-22, which addresses "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')." Organizations affected by this vulnerability should implement immediate mitigations including disabling unnecessary web server functionality, implementing proper input validation controls, and restricting access to the affected web server through network segmentation. Additionally, regular security updates and patches should be applied to ensure that known vulnerabilities are addressed, as this particular software is now considered legacy and unsupported. The vulnerability highlights the importance of proper input validation and access control mechanisms in web applications, emphasizing that even seemingly benign file extensions can be exploited to gain unauthorized access to system resources.