CVE-2019-18978
Medium
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.
SeverityMedium
CVSS5.3
Exploit probability—
Product
Rack-cors
PublishedNov 14, 2019
First seenNov 14, 2019
How to fix
Update
- rack-cors_project rack-cors1.0.4 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| rack-cors_project rack-cors | v < 1.0.4 | 1.0.4 |
| debian debian_linux | 8.0, 9.0, 10.0 | — |
| canonical ubuntu_linux | 16.04 | — |
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