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.
References
Link | Resource |
---|---|
https://github.com/cyu/rack-cors/commit/e4d4fc362a4315808927011cbe5afcfe5486f17d | Patch Third Party Advisory |
https://github.com/cyu/rack-cors/compare/v1.0.3...v1.0.4 | Patch Third Party Advisory |
https://lists.debian.org/debian-lts-announce/2020/02/msg00004.html | Mailing List Third Party Advisory |
https://lists.debian.org/debian-lts-announce/2020/10/msg00000.html | Mailing List Third Party Advisory |
https://usn.ubuntu.com/4571-1/ | Third Party Advisory |
https://www.debian.org/security/2021/dsa-4918 | Third Party Advisory |
Configurations
Configuration 1 (hide)
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Configuration 2 (hide)
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Configuration 3 (hide)
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History
No history.
Information
Published : 2019-11-14 21:15
Updated : 2024-02-28 17:28
NVD link : CVE-2019-18978
Mitre link : CVE-2019-18978
CVE.ORG link : CVE-2019-18978
JSON object : View
Products Affected
debian
- debian_linux
rack-cors_project
- rack-cors
canonical
- ubuntu_linux
CWE
CWE-22
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')