CVE-2022-46405
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.92%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.92% probability · 58th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-674
- Affected
- joinmastodon/mastodon
- Source
- cve@mitre.org
References
- https://borg.social/notes/98bcoo2t1nIssue Tracking, Third Party Advisory
- https://hackmd.io/rD9nsTz1QeuPT-erxqjY-AExploit, Issue Tracking, Third Party Advisory
- https://borg.social/notes/98bcoo2t1nIssue Tracking, Third Party Advisory
- https://hackmd.io/rD9nsTz1QeuPT-erxqjY-AExploit, Issue Tracking, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.