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  5. GMS-2019-38

GMS-2019-38: Directory Traversal in ltt.js

May 30, 2019 (updated August 4, 2021)

Affected versions of ltt.js resolve relative file paths, resulting in a directory traversal vulnerability. A malicious actor can use this vulnerability to access files outside of the intended directory root, which may result in the disclosure of private files on the vulnerable system.

Example request:

GET /../../../../../../../../../../etc/passwd HTTP/1.1
host:foo
``` 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

  • github.com/JacksonGL/NPM-Vuln-PoC/blob/master/directory-traversal/ltt.js
  • github.com/JacksonGL/NPM-Vuln-PoC/tree/master/directory-traversal/ltt.js
  • github.com/advisories/GHSA-6qh5-wx38-q92g
  • www.npmjs.com/advisories/411

Code Behaviors & Features

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Affected versions

Version 1.0.0

Solution

Unfortunately, there is no solution available yet.

Source file

npm/ltt.js/GMS-2019-38.yml

Spotted a mistake? Edit the file on GitLab.

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