CVE-2022-46405

EUVD-2022-49214
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA-ADPADP
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 72%
Affected Products (NVD)
VendorProductVersion
joinmastodonmastodon
𝑥
≤ 4.0.2
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://borg.social/notes/98bcoo2t1n
https://hackmd.io/rD9nsTz1QeuPT-erxqjY-A
https://borg.social/notes/98bcoo2t1n
https://hackmd.io/rD9nsTz1QeuPT-erxqjY-A