HexBrain

Moneybird · Report #269318

Bypass of Rate limiting in secure_session endpoint's password input will lead to user password disclosure

Validstatus
19upvotes
6 May 2021disclosed

Summary

The rate limit for entering a password to start a secure session was too low. This allowed for brute force password guessing when an attacker would gain access to an existing session of a user. We have solved the issue by making the password rate limit the same as the regular login procedure.

Bypassing the rate-limiting by setting Throttle value 0 to 5000 in Burp Suit tools Intruder's request engine option.

How it was found

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