HexBrain

Uber · Report #197489

Subdomain takeover at signup.uber.com

Validstatus
highseverity
79upvotes
25 Jan 2019disclosed

Summary

The domain signup.uber.com was pointing to an unclaimed Netlify domain, allowing an attacker to take over the subdomain. We remediated this issue by deleting the CNAME record from our DNS.

Thanks, @ak1t4!

Another great TKO - thanks UBER!

How it was found

The write-up for this report has not been downloaded yet, or the program disclosed it without one. Read it on HackerOne.

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