high7.5
CVE-2020-8184
Rack allows Percent-encoded cookies to overwrite existing prefixed cookie names
Impact
A reliance on cookies without validation/integrity check security vulnerability exists in rack < 2.2.3, rack < 2.1.4 that makes it possible for an attacker to forge a secure or host-only cookie prefix.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| rubygems | rack | < 2.1.4 | 2.1.4 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Rack Project | Rack | before 2.1.4 from 2.2.0 before 2.2.3 |
| Debian | Debian Linux | Versions 9.0, 10.0 |
| Canonical | Ubuntu Linux | Version 18.04 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://groups.google.com/g/rubyonrails-security/c/OWtmozPH9Ak
- https://hackerone.com/reports/895727
- https://lists.debian.org/debian-lts-announce/2020/07/msg00006.html
- https://lists.debian.org/debian-lts-announce/2023/01/msg00038.html
- https://usn.ubuntu.com/4561-1/
- https://github.com/advisories/GHSA-j6w9-fv6q-3q52
- https://nvd.nist.gov/vuln/detail/CVE-2020-8184
- https://github.com/rack/rack/commit/1f5763de6a9fe515ff84992b343d63c88104654c
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2020-8184.yml