CVE-2022-46405 Information

Description

Mastodon through 4.0.2 allows attackers to cause a denial of service (large Sidekiq pull queue) by creating bot accounts that follow attacker-controlled accounts on certain other servers associated with a wildcard DNS A record such that there is uncontrolled recursion of attacker-generated messages.

Reference

https://hackmd.io/rD9nsTz1QeuPT-erxqjY-A https://borg.social/notes/98bcoo2t1n