CVE-2014-1842 in Titan FTP Server
Summary
by MITRE
Directory traversal vulnerability in the web interface in Titan FTP Server before 10.40 build 1829 allows remote attackers to list all usernames via a Go action with a .. (dot dot) in the search-bar value.
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Analysis
by VulDB Data Team • 05/12/2026
The vulnerability identified as CVE-2014-1842 represents a critical directory traversal flaw within the Titan FTP Server web interface. This weakness exists in versions prior to 10.40 build 1829 and allows remote attackers to exploit a design flaw in the search-bar parameter handling mechanism. The specific exploitation technique involves crafting a Go action request with a .. (dot dot) sequence in the search-bar value, which enables unauthorized access to the server's user directory structure.
The technical implementation of this vulnerability stems from inadequate input validation and path sanitization within the web interface component of Titan FTP Server. When users submit search queries through the web interface, the application fails to properly sanitize the input before processing directory operations. This lack of proper validation creates an opportunity for attackers to manipulate the search-bar parameter to traverse upward through the directory structure, ultimately gaining access to sensitive user information. The vulnerability is classified as a directory traversal attack pattern that aligns with CWE-22, which specifically addresses improper limitation of a pathname to a restricted directory.
The operational impact of this vulnerability extends beyond simple information disclosure, as it provides attackers with a comprehensive list of all usernames registered on the FTP server. This information can serve as a crucial stepping stone for subsequent attacks, including credential brute force attempts, social engineering campaigns, or privilege escalation within the system. The exposure of user accounts creates significant risk for organizations relying on Titan FTP Server for file transfer operations, as it undermines the fundamental security assumptions of user isolation and access control. From an attack perspective, this vulnerability maps to ATT&CK technique T1083, which covers directory listing activities that reveal system structure and user information.
The exploitation of this vulnerability demonstrates a fundamental flaw in the server's input validation architecture, where the web interface does not adequately filter or sanitize user-supplied data before using it in directory operations. This allows attackers to manipulate the search functionality to access areas of the file system that should remain restricted to authorized users. The vulnerability's impact is particularly severe because it affects the core authentication and authorization mechanisms of the FTP server, potentially enabling attackers to identify valid user accounts and plan more sophisticated attacks against the system. Organizations using affected versions of Titan FTP Server face significant risk of unauthorized access to their file transfer infrastructure and associated user credentials.
Mitigation strategies for CVE-2014-1842 should prioritize immediate patching of the Titan FTP Server to version 10.40 build 1829 or later, which contains the necessary security fixes to address the directory traversal vulnerability. Additionally, network administrators should implement proper input validation and sanitization measures at the application level, ensuring that all user-supplied data is properly filtered before being processed in directory operations. The implementation of web application firewalls and intrusion detection systems can provide additional layers of protection by monitoring for suspicious directory traversal patterns in network traffic. Organizations should also conduct comprehensive security assessments of their FTP server configurations to identify and remediate any additional vulnerabilities that may exist within their file transfer infrastructure. Regular security updates and vulnerability assessments should be implemented as part of the organization's overall security posture to prevent similar issues from occurring in the future.