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Ubuntu: USN-4571-1 (CVE-2019-18978): rack-cors vulnerability

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Ubuntu: USN-4571-1 (CVE-2019-18978): rack-cors vulnerability

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Published
11/14/2019
Created
10/08/2020
Added
10/06/2020
Modified
03/22/2023

Description

An issue was discovered in the rack-cors (aka Rack CORS Middleware) gem before 1.0.4 for Ruby. It allows ../ directory traversal to access private resources because resource matching does not ensure that pathnames are in a canonical format.

Solution(s)

  • ubuntu-upgrade-ruby-rack-cors

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