November 2018
Beginner to intermediate
270 pages
7h 53m
English
On December 12 2016, the bug bounty hunter Fran Rosén published a sub-domain takeover affecting Uber.
Fran Rosén detected that the sub-domain rider.uber.com failed for three hours, as it was pointing to a non-existent Cloudfront instance instead, as shown in the following screenshot:

Fran Rosén took advantage of this and claimed the sub-domain in Cloudfront, creating the following proof of concept:

The impact of this was critical, despite being a temporary error from Uber, as it is one of the most-visited URLs in ...
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