MEDIUM6.1
GHSA-8877-prq4-9xfw
Actionpack Open Redirect Vulnerability
Quick fix
GHSA-8877-prq4-9xfw — actionpack: upgrade to the fixed version with the command below.
bundle update actionpackDetails
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.
Are you affected?
Enter the version of the package you're using.
Affected packages
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-22881[ADVISORY]
- https://github.com/rails/rails/commit/b5de7b3a4787d8a55aaad39f477c16e3af65e444[WEB]
- https://hackerone.com/reports/1047447[WEB]
- https://benjamin-bouchet.com/cve-2021-22881-faille-de-securite-dans-le-middleware-hostauthorization[WEB]
- https://discuss.rubyonrails.org/t/cve-2021-22881-possible-open-redirect-in-host-authorization-middleware/77130[WEB]
- https://github.com/rails/rails[WEB]
- https://github.com/rails/rails/blob/v6.1.2.1/actionpack/CHANGELOG.md[WEB]
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionpack/CVE-2021-22881.yml[WEB]
- https://groups.google.com/g/rubyonrails-security/c/zN_3qA26l6E[WEB]
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XQ3NS4IBYE2I3MVMGAHFZBZBIZGHXHT3[WEB]
- https://rubygems.org/gems/actionpack[WEB]
- http://www.openwall.com/lists/oss-security/2021/05/05/2[WEB]
- http://www.openwall.com/lists/oss-security/2021/08/20/1[WEB]
- http://www.openwall.com/lists/oss-security/2021/12/14/5[WEB]