HexBrain

Nextcloud · Report #961997

Denial of Service when entring an Array in email at seetings

Informativestatus
mediumseverity
1upvotes
19 Aug 2020disclosed

How it was found

in settings https://demo2.nextcloud.com/index.php/settings/users/TweLbFT93aqRnEfF/settings when you submit the request with email value Array the server return 500 Internal Server Error Poc video: F954435

Impact

denial a service attack on the server. This may lead to the website becoming slow or unresponsive.

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