Directory Traversal

Severity: high


Affected versions of lab6.brit95 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


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.

Vulnerable versions

3 years ago

Unaffected versions

Advisory timeline

  1. Published

    Advisory published
    Sep 27th, 2017
  2. Reported

    Initial report by Liang Gong
    Jul 19th, 2017