CVE-2021-22881
Description
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. Impacted applications will have allowed hosts with a leading dot. When an allowed host contains a leading dot, a specially crafted `Host` header can be used to redirect to a malicious website.
CWE
- CWE-601 — Open Redirect (CWE-601)
Affected
- n/a / https://github.com/rails/rails — v=Fixed in 6.1.2.1, 6.0.3.5 [affected]
CVSS
- (none)
References
- https://hackerone.com/reports/1047447 x_refsource_MISC
- https://discuss.rubyonrails.org/t/cve-2021-22881-possible-open-redirect-in-host-authorization-middleware/77130 x_refsource_MISC
- https://benjamin-bouchet.com/cve-2021-22881-faille-de-securite-dans-le-middleware-hostauthorization/ x_refsource_MISC
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XQ3NS4IBYE2I3MVMGAHFZBZBIZGHXHT3/ vendor-advisory, x_refsource_FEDORA
- http://www.openwall.com/lists/oss-security/2021/05/05/2 mailing-list, x_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2021/08/20/1 mailing-list, x_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2021/12/14/5 mailing-list, x_refsource_MLIST
Source
cvelistV5-main/cves/2021/22xxx/CVE-2021-22881.json