This is a security measure intended to prevent username enumeration -- this is an explicit design decision.
For more details, see e.g. https://www.owasp.org/index.php/Testing_for_User_Enumeration_and_Guessable_User_Account_ (OWASP-AT-002) Thanks ** Information type changed from Private Security to Public Security ** Changed in: linux (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1294799 Title: login while invalid user (sanity check is missing) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1294799/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
