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Burpsuite Infinite Loop when Authenticating using an Authorization Header.

Michael | Last updated: Mar 13, 2022 01:21PM UTC

I'm trying to use Burp Suite to intercept traffic to a client's web application. When accessing the web application, I am prompted with a username and password (that uses the Authorization header) popup which gets intercepted by Burp. However, when forwarding the requests it then prompts the username and password popup again. Even when turning off the intercept I get the same response. If I turn off the proxy then It goes through to the main dashboard with no problems. I've tried turning on the proxy after authenticating, but it reverts back to the login popup. I'm at a loss. This is the first time I've ever gotten a response like this. Any help is much appreciated.

Hannah, PortSwigger Agent | Last updated: Mar 14, 2022 08:49AM UTC