Published: 02 July 2020

A directory traversal vulnerability exists in rack < 2.2.0 that allows an attacker perform directory traversal vulnerability in the Rack::Directory app that is bundled with Rack which could result in information disclosure.

From the Ubuntu security team

It was discovered that Rack incorrectly handled certain paths. An attacker could possibly use this issue to obtain sensitive information.



CVSS 3 base score: 8.6


Package Release Status
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.10 (Impish Indri) Not vulnerable
Ubuntu 21.04 (Hirsute Hippo) Not vulnerable
Ubuntu 20.04 LTS (Focal Fossa)
Released (2.0.7-2ubuntu0.1)
Ubuntu 18.04 LTS (Bionic Beaver)
Released (1.6.4-4ubuntu0.2)
Ubuntu 16.04 ESM (Xenial Xerus)
Released (1.6.4-3ubuntu0.2)
Ubuntu 14.04 ESM (Trusty Tahr) Needs triage