Coinbase · Report #119129

Misconfiguration in 2 factor allows sensitive data expose

Validstatus

$500bounty

1upvotes

4 Mar 2016disclosed

Summary

For some users, Coinbase was accidentally revealing the last 8 digits of a user's phone number on the 2FA modal instead of the last 4 digits.

I found that 2 factor page disclose mobile number of user.

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

This report was disclosed publicly on HackerOne and belongs to its author and the program. See the original