CVE-2022-46405

moderate-risk
Published 2022-12-04

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.

Do I need to act?

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0.72% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Joinmastodon

References (4)

Issue Tracking https://borg.social/notes/98bcoo2t1n
Exploit https://hackmd.io/rD9nsTz1QeuPT-erxqjY-A
Issue Tracking https://borg.social/notes/98bcoo2t1n
Exploit https://hackmd.io/rD9nsTz1QeuPT-erxqjY-A
33
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 2/34 · Minimal
Exposure 5/34 · Minimal