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CVE ID:CVE-2019-18978
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.
Test IDs: 1.3.6.1.4.1.25623.1.0.704918   1.3.6.1.4.1.25623.1.0.892096   1.3.6.1.4.1.25623.1.0.892389   1.3.6.1.4.1.25623.1.0.844636  
Cross References: Common Vulnerability Exposure (CVE) ID: CVE-2019-18978
Debian Security Information: DSA-4918 (Google Search)
https://www.debian.org/security/2021/dsa-4918
https://github.com/cyu/rack-cors/commit/e4d4fc362a4315808927011cbe5afcfe5486f17d
https://github.com/cyu/rack-cors/compare/v1.0.3...v1.0.4
https://lists.debian.org/debian-lts-announce/2020/02/msg00004.html
https://lists.debian.org/debian-lts-announce/2020/10/msg00000.html
https://usn.ubuntu.com/4571-1/




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