image dsbw

IDOR Get any Customer all invoices



Published il y a 1 semaine

image de IDOR Get any Customer all invoices

Hi, This is DevSecure Team ,we specialize in uncovering hidden vulnerabilities that pose real-world risks to modern web applications.
All vulnerabilities shared in these write-ups are fully redacted — any company names, domains, or sensitive details are replaced with placeholders such as company.com. Each finding was responsibly disclosed through the Intigriti platform and has been verified and resolved by the affected vendor.

Every post represents our commitment to ethical hacking, responsible disclosure, and continuous learning, helping organizations strengthen their defenses while contributing to a safer global cybersecurity ecosystem.

Description:

Broken access control IDOR lead to get all invoices for any customer

Affected Parameter / Endpoint: https://services-api.company.com/customers/{UUID}/invoices?invoiced=false

Proof of Concept:

Step-by-step to reproduce:
  • Step 1: create new company and login
  • Step 2: go to services-api.company.com/customers/{UUID}/invoices?invoiced=false
  • Step 3: change UUID to any UUID and you wil get all invoices informations about the customer

Impact:

IDOR + information disclosure

Severity:

Medium — IDOR with PII (UUID hard to get new ones).

  • Timeline :
  • Platform : Intigriti
  • Reported: 09/04/2023
  • Triaged: 10/04/2023
  • Accepted & paid: 11/04/2023
  • Bounty: €250

https://app.intigriti.com/profile/merroun

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