GHSA-8877-prq4-9xfw
Actionpack Open Redirect Vulnerability
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| RubyGems | actionpack | >= 6.0.0, < 6.0.3.5 | 6.0.3.5 |
| RubyGems | actionpack | >= 6.1.0, < 6.1.2.1 | 6.1.2.1 |
Details
As written in the advisory (Markdown source, shown as plain text).
The Host Authorization middleware in Action Pack before 6.1.2.1, 6.0.3.5 suffers from an open redirect vulnerability. Specially crafted `Host` headers in combination with certain "allowed host" formats can cause the Host Authorization middleware in Action Pack to redirect users to a malicious website.
References
External links from the advisory. They lead to third-party sites.
- https://nvd.nist.gov/vuln/detail/CVE-2021-22881
- https://github.com/rails/rails/commit/b5de7b3a4787d8a55aaad39f477c16e3af65e444
- https://hackerone.com/reports/1047447
- https://benjamin-bouchet.com/cve-2021-22881-faille-de-securite-dans-le-middleware-hostauthorization
- https://discuss.rubyonrails.org/t/cve-2021-22881-possible-open-redirect-in-host-authorization-middleware/77130
- https://github.com/rails/rails
- https://github.com/rails/rails/blob/v6.1.2.1/actionpack/CHANGELOG.md
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionpack/CVE-2021-22881.yml
- https://groups.google.com/g/rubyonrails-security/c/zN_3qA26l6E
- https://lists.fedoraproject.org/archives/list/[email protected]/message/XQ3NS4IBYE2I3MVMGAHFZBZBIZGHXHT3
- https://rubygems.org/gems/actionpack
- http://www.openwall.com/lists/oss-security/2021/05/05/2
- http://www.openwall.com/lists/oss-security/2021/08/20/1
- http://www.openwall.com/lists/oss-security/2021/12/14/5