The researcher figured out the following (pasted from the blogpost):
The ability to order any number of menu items for ₹1 ($0.01 USD).
The ability to steal/hijack/redirect other people's delivery orders through a specific sequence of carefully timed API calls.
The ability to retrieve the details of any order.
The ability to track any order in the "On the way" status. You could real-time track the location of the driver for any order.
The ability to download invoices for any order.
The ability to submit feedback for orders that are not your own.
The ability to view admin KPI reports.
Sensitive driver/rider information that could be accessed:
Name
Email address
Phone number
Vehicle license plate number
Profile picture
Saar please take this amazon giftcard I stole from your mother saar
The post is very boring as the techniques used were very basic. I'm not calling the researcher garbage, I'm saying that their website was very poorly setup.
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I remember reading somewhere that all McDonald's subsidiaries have to setup their own IT infra and software and maintain them out of their own pocket, resulting in most of them being made to be as cheap as possible.
I'm not surprised at all to see they are vulnerable, but allowing clients to update the order price is incredible
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Having to set up their own IT infra + sexy Indian dudeware is a recipe for this sort of thing, yeah.
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