Name: CVE-2019-18978: Improper Limitation of a Pathname to a Restricted Directory
Creator: Rapid7
Published: 2019-11-14T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2019-18978, CWE-22, CVSS 5.3, EPSS 0.02462

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.

CVSS Details

CVSS 3.1 Base Score: 5.3
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Debian	—	Upgrade ruby-rack-cors	Feb 7, 2020	Nov 14, 2019
Freebsd	—	Upgrade gitlab-ce	Feb 1, 2020	Jan 31, 2020
Ubuntu	—	Upgrade ruby-rack-cors	Oct 6, 2020	Nov 14, 2019

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CVSS Details

Covered by Rapid7

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