CVE-2019-18978

Priority
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.
Notes
Package
Upstream:needs-triage
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):needed
Ubuntu 18.04 LTS (Bionic Beaver):needed
Ubuntu 19.04 (Disco Dingo):ignored (reached end-of-life)
Ubuntu 19.10 (Eoan Ermine):needed
Ubuntu 20.04 (Focal Fossa):needed
Patches:
Upstream:https://github.com/cyu/rack-cors/commit/e4d4fc362a4315808927011cbe5afcfe5486f17d
More Information

Updated: 2020-01-23 20:49:38 UTC (commit b4629892d998f2ede31f59bb7508dc50a92ac664)