Bug 2034266 (CVE-2021-44528) - CVE-2021-44528 rubygem-actionpack: specially crafted "X-Forwarded-Host" headers may lead to open redirect
Summary: CVE-2021-44528 rubygem-actionpack: specially crafted "X-Forwarded-Host" heade...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2021-44528
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2034268
Blocks: 2034269
TreeView+ depends on / blocked
 
Reported: 2021-12-20 14:29 UTC by Marian Rehak
Modified: 2023-03-14 12:22 UTC (History)
20 users (show)

Fixed In Version: rubygem-actionpack 6.1.4.2, rubygem-actionpack 6.0.4.2, rubygem-actionpack 7.0.0.rc2
Doc Type: No Doc Update
Doc Text:
Clone Of:
Environment:
Last Closed: 2021-12-20 15:49:52 UTC
Embargoed:

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Description Marian Rehak 2021-12-20 14:29:55 UTC 
Specially crafted "X-Forwarded-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.

Reference:

https://www.openwall.com/lists/oss-security/2021/12/14/5
Comment 1 Marian Rehak 2021-12-20 14:35:10 UTC 
Created rubygem-actionpack tracking bugs for this issue:

Affects: fedora-all [bug 2034268]
Comment 2 Yadnyawalk Tale 2021-12-20 15:12:10 UTC 
Changelog:
https://github.com/rails/rails/blob/v6.1.4.2/actionpack/CHANGELOG.md#rails-6142-december-14-2021

Upstream patch:
https://github.com/rails/rails/commit/0fccfb9a3097a9c4260c791f1a40b128517e7815
Comment 3 Product Security DevOps Team 2021-12-20 15:49:50 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2021-44528
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