HexBrain

Eternal · Report #697512

Information Disclosure through Sentry Instance ███████

Validstatus
highseverity
$750bounty
178upvotes
19 Sept 2019disclosed

How it was found

Hello team

I found a bug (sensitive information ) can be used from attackers to perfom attack in youre server I don't know if this in scope so i'm sorry if i'm wrrong

withou spending youre time here the steps how i found this bug :

1-Please use burp suite to reproduce the same result 2-i notice you have as tool for track errors (sentry) 3- i send the request to ███ via /api/20/store█████████

4-change request from get to post Request:

POST /api/20/store██████ HTTP/1.1 Host: ███ Connection: close Cache-Control: max-age=0 Upgrade-Insecure-Requests: 1 ██████ Sec-Fetch-Mode: navigate Sec-Fetch-User: ?1 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,/;q=0.8,application/signed-exchange;v=b3 Sec-Fetch-Site: none Accept-Encoding: gzip, deflate Accept-Language: fr-FR,fr;q=0.9,en-US;q=0.8,en;q=0.7 Content-Type: application/x-www-form-urlencoded Content-Length: 0 5-go to response and click in the [Render ] to view disclosure UI 6- i get alot of information disclosure ███(see my screenns) i think the server behind this is [███] with ███

Impact

Please see the screens for more information best regards let me know if you need more information.

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