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CVE-2021-22881

UNKNOWN
Published 2021-02-11T16:12:34
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No CVSS data available

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed MODERATE

Actionpack Open Redirect Vulnerability

GHSA-8877-prq4-9xfw

Advisory Details

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.

Affected Packages

RubyGems actionpack
ECOSYSTEM: ≥6.0.0 <6.0.3.5
RubyGems actionpack
ECOSYSTEM: ≥6.1.0 <6.1.2.1

CVSS Scoring

CVSS Score

5.0

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-22881
WEB 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/[email protected]/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

Advisory provided by GitHub Security Advisory Database. Published: March 2, 2021, Modified: July 3, 2023

References

https://hackerone.com/reports/1047447
https://discuss.rubyonrails.org/t/cve-2021-22881-possible-open-redirect-in-host-authorization-middleware/77130
https://benjamin-bouchet.com/cve-2021-22881-faille-de-securite-dans-le-middleware-hostauthorization/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XQ3NS4IBYE2I3MVMGAHFZBZBIZGHXHT3/
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

HackerOne Reports

The Host Authorization middleware in Action Pack is vulnerable to crafted X-Forwarded-Host values Medium
mshtawythug
Internet Bug Bounty
Open Redirect
View Report
Published: 2021-02-11T16:12:34
Last Modified: 2024-08-03T18:58:24.786Z
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