CVE-2001-0231 in News Desk
Summary
by MITRE
Directory traversal vulnerability in newsdesk.cgi in News Desk 1.2 allows remote attackers to read arbitrary files via a .. in the "t" parameter.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 10/07/2025
The vulnerability identified as CVE-2001-0231 represents a classic directory traversal flaw within the newsdesk.cgi script of News Desk version 1.2. This type of vulnerability falls under the Common Weakness Enumeration category CWE-22, which specifically addresses improper limitation of a pathname to a restricted directory. The flaw exists in the handling of user-supplied input within the "t" parameter of the newsdesk.cgi script, where the application fails to properly validate or sanitize directory paths before processing file requests.
The technical implementation of this vulnerability allows remote attackers to exploit the lack of proper input validation by injecting directory traversal sequences using the ".." notation within the "t" parameter. When the application processes this input without adequate sanitization, it can be manipulated to access files outside the intended directory structure. This occurs because the script does not properly restrict the user input to prevent navigation to parent directories or access to arbitrary file paths on the server filesystem.
The operational impact of this vulnerability is significant as it provides unauthorized access to sensitive files that may contain configuration data, user credentials, application source code, or other confidential information. Attackers can leverage this weakness to read system files, potentially gaining insights into the server environment, application architecture, and underlying operating system. The vulnerability enables a wide range of malicious activities including data exfiltration, system reconnaissance, and potential further exploitation of the compromised system. This type of vulnerability aligns with ATT&CK technique T1083 (File and Directory Discovery) and T1566 (Phishing with Malicious Attachment) when combined with other attack vectors.
Mitigation strategies for this vulnerability involve implementing proper input validation and sanitization mechanisms within the newsdesk.cgi script. The application should validate all user-supplied input, particularly parameters that influence file system operations, by ensuring that directory traversal sequences are rejected or properly encoded. Additionally, implementing a whitelist approach for allowed file paths or using secure coding practices that prevent path resolution of user input can effectively prevent exploitation. Organizations should also consider implementing proper access controls and file permissions to limit the impact of any potential successful traversal attempts. The remediation process should include thorough code review to identify similar vulnerabilities in other components and ensuring that all file access operations are properly validated against a predetermined set of acceptable paths. This vulnerability demonstrates the critical importance of input validation in web applications and aligns with security best practices outlined in the OWASP Top Ten, specifically addressing the risk of insecure direct object references and improper input validation.