Content spoofing on invitations page

Disclosed: 2015-10-21 13:04:35 By rohan_pagey To security
Unknown
Vulnerability Details
When you are an owner of a program on h1 , you are allowed to invite external users to access any report through email . As you invite someone , this is how the body of invitation is being sent through email :- [link to researcher's profile] invited you to join the bug [Title Of The Bug] for [Name of the program] So being an owner of a program I control [Title Of The Bug] and [Name of the program] . So I can create any program on h1 , report a bug to it , keeping the Title of that bug and name of my program as per my choice . This is how a Verified program on h1 can spoof the body of the email leading to phishing attacks but i suppose h1 trusts all of the verified programs so this may not be a risk . For the Unverified programs , as you invite an external user , the body of email also contains a warning which minimizes the risk of further phishing attacks BUT it's not necessary to invite someone ONLY through emails .... For eg. 1. Attacker creates a program , reports a bug to it choosing the title of bug and name of the program as in the attached screenshot . 2. He then sends a mail to himself thus getting an invitation id ! 3. He can then personally invite someone through that invitation . for eg . visit : https://hackerone.com/invitations/7e28fd3adb7f7bf2c155c66e534a9f69 also see the attached screenshot
Actions
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Report Stats
  • Report ID: 92607
  • State: Closed
  • Substate: resolved
  • Upvotes: 4
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