Bailiwick Checking Vulnerability in Technitium DNS Server <= v7.0 Allows DNS Cache Poisoning Attack

CVE-2021-43105 · MEDIUM Severity

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

A vulnerability in the bailiwick checking function in Technitium DNS Server <= v7.0 exists that allows specific malicious users to inject `NS` records of any domain (even TLDs) into the cache and conduct a DNS cache poisoning attack.

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