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Path Traversal occurrences in Ozeki Ng Sms Gateway
An issue was discovered in Ozeki NG SMS Gateway through 4.17.6. By leveraging a path traversal vulnerability in the Autoreply module's Script Name, an attacker may write to or overwrite arbitrary files, with arbitrary content, usually with NT AUTHORITY\SYSTEM privileges. (2020-09-22, CVE-2020-14028)
Why Path Traversal can be dangerous
Relative Path Confusion means that your web server is configured to serve responses to ambiguous URLs. This configuration can possibly cause confusion about the correct relative path for the URL. It is also an issue of resources, such as images, styles etc., which are specified in the response using relative path, not the absolute URL.
If the web browser permits to parse "cross-content" response, the attacker may be able to fool the web browser into interpreting HTML into other content types, which can then lead to a cross site scripting attack (link do XSS).