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.
{
"cna_assigner": "mitre",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/46xxx/CVE-2022-46405.json",
"unresolved_ranges": [
{
"extracted_events": [
{
"fixed": "4.0.2"
}
],
"source": "DESCRIPTION"
}
]
}{
"cpe": "cpe:2.3:a:joinmastodon:mastodon:*:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "4.0.2"
}
],
"source": "CPE_RANGE"
}