CVE-2004-0335 in 602pro LAN SUITE
Summary
by MITRE
LAN SUITE Web Mail 602Pro, when configured to use the "Directory browsing" feature, allows remote attackers to obtain a directory listing via an HTTP request to (1) index.html, (2) cgi-bin/, or (3) users/.
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Analysis
by VulDB Data Team • 07/08/2017
This vulnerability exists in LAN SUITE Web Mail 602Pro software where the directory browsing feature is enabled, creating a critical information disclosure risk. The flaw allows remote attackers to enumerate directory contents through simple HTTP requests targeting specific paths including index.html, cgi-bin/, and users/. This represents a classic directory traversal vulnerability that violates fundamental security principles of access control and information hiding. The vulnerability stems from improper configuration where directory listing is enabled without adequate authentication or authorization mechanisms, exposing sensitive system structure information to unauthenticated users. The impact is significant as it provides attackers with detailed knowledge of the server's file system organization, potentially revealing user accounts, application components, and other sensitive directory structures that could aid in subsequent exploitation attempts.
The technical implementation of this vulnerability aligns with CWE-548, which addresses information exposure through directory listing, and represents a clear violation of the principle of least privilege. When the directory browsing feature is enabled, the web server responds to HTTP requests with directory listings rather than proper access control enforcement. This creates an attack surface where threat actors can systematically enumerate paths and identify potentially sensitive files or directories that should remain hidden from public access. The three specific paths mentioned in the vulnerability description are particularly concerning as they represent common attack vectors for web applications - the main index page, the cgi-bin directory which typically hosts executable scripts, and the users directory which likely contains user-related data or configuration files.
The operational impact of this vulnerability extends beyond simple information disclosure, as it provides attackers with critical reconnaissance data that can be leveraged for more sophisticated attacks. An attacker who discovers the directory structure can identify potential entry points for further exploitation, locate configuration files that may contain database credentials or API keys, and discover backup files or temporary directories that might contain sensitive information. This vulnerability directly maps to several techniques in the ATT&CK framework under reconnaissance and credential access phases, where adversaries gather information about target systems to plan more targeted attacks. The exposure of directory structures also violates security best practices outlined in NIST SP 800-53 and ISO 27001 controls that require proper access controls and information protection mechanisms.
Organizations should immediately disable the directory browsing feature in affected LAN SUITE Web Mail installations and implement proper access controls for all web-accessible directories. The recommended mitigations include configuring web servers to disable directory listing, implementing authentication mechanisms for sensitive directories, and conducting regular security audits to identify and remediate similar configuration issues. Additionally, network segmentation and firewall rules should be implemented to restrict access to potentially vulnerable web applications, while regular security assessments should be performed to identify other instances of directory listing vulnerabilities that may exist in similar web applications or server configurations.