41 lines
1.2 KiB
YAML
41 lines
1.2 KiB
YAML
id: CVE-2021-44528
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info:
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name: Open Redirect in Host Authorization Middleware
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author: geeknik
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severity: medium
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description: 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.
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reference:
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- https://seclists.org/oss-sec/2021/q4/att-160/7-0-host-authorzation-open-redirect.patch
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- https://nvd.nist.gov/vuln/detail/CVE-2021-44528
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- https://github.com/rails/rails/commit/0fccfb9a3097a9c4260c791f1a40b128517e7815
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classification:
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cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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cvss-score: 6.1
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cve-id: CVE-2021-44528
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cwe-id: CWE-601
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tags: cve,cve2021,redirect
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requests:
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- raw:
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- |
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GET / HTTP/1.1
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Host: {{Hostname}}
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X-Forwarded-Host: //example.com
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matchers-condition: and
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matchers:
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- type: regex
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part: header
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regex:
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- '(?m)^(?:Location\s*?:\s*?)(?:https?:\/\/|\/\/|\/\\\\|\/\\)?(?:[a-zA-Z0-9\-_\.@]*)example\.com\/?(\/|[^.].*)?$'
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- type: status
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status:
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- 301
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- 302
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- 307
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- 308
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# Enhanced by mp on 2022/02/28
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