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https://www.saddns.net/

CVE-2021-20322

https://twitter.com/pkqzy888/status/1461042249693683714?s=20

https://twitter.com/pkqzy888/status/1439019654559633408?s=20

ICMP をサイドチャネルに利用して、query 送信ポートを検出することで、
毒盛を容易にする。(Kaminsky以前の状態に近づく)

https://arstechnica.com/gadgets/2021/11/dan-kaminskys-dns-cache-poisoning-attack-is-back-from-the-dead-again/

https://www.techtarget.com/searchsecurity/news/252509706/New-side-channel-attack-resurrects-DNS-poisoning-threat?&web_view=true

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