CVE-2005-3355 in Gnump3d
Summary
by MITRE
Directory traversal vulnerability in GNU Gnump3d before 2.9.8 has unknown impact via "CGI parameters, and cookie values".
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Analysis
by VulDB Data Team • 06/11/2019
The directory traversal vulnerability identified in GNU Gnump3d version 2.9.8 and earlier represents a critical security flaw that allows attackers to access files outside the intended directory structure through manipulation of CGI parameters and cookie values. This vulnerability falls under the category of path traversal attacks where malicious input can bypass access controls and potentially expose sensitive system files or directories. The vulnerability exists due to insufficient validation of user-supplied input in the web interface components of the media server software.
The technical implementation of this flaw occurs when the application processes CGI parameters or cookie values without proper sanitization or validation of file paths. Attackers can exploit this weakness by crafting malicious requests that include directory traversal sequences such as "../" or "..\" to navigate outside the intended document root or media directory. The vulnerability affects the web-based interface of Gnump3d, which handles user requests for media files and web content through CGI scripts that do not adequately filter or sanitize input parameters.
From an operational perspective, this vulnerability can lead to significant security implications including unauthorized access to system files, configuration data, and potentially sensitive user information stored on the server. The impact remains unspecified in the original CVE description, but directory traversal vulnerabilities typically allow attackers to read arbitrary files, which could include database files, configuration files containing passwords, or other sensitive data that should remain protected from unauthorized access. The vulnerability's exploitation requires minimal technical skill and can potentially provide attackers with comprehensive information about the server's file structure and contents.
Security mitigations for this vulnerability primarily involve upgrading to GNU Gnump3d version 2.9.8 or later, which contains the necessary patches to address the directory traversal flaw. Additionally, administrators should implement proper input validation and sanitization for all CGI parameters and cookie values, enforce proper access controls, and consider implementing web application firewalls to detect and block suspicious traversal attempts. The vulnerability aligns with CWE-22 Path Traversal and can be categorized under ATT&CK technique T1083 File and Directory Discovery when used for reconnaissance purposes. Organizations should also conduct regular security assessments and maintain updated security patches to prevent exploitation of similar vulnerabilities in other software components.