Vulnerability CVE-2021-43105
Published: 2022-03-28   Modified: 2022-03-29

Description:
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.

Type:

NVD-CWE-noinfo

CVSS2 => (AV:N/AC:L/Au:S/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4/10
2.9/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Technitium -> Dns server 

 References:
https://github.com/TechnitiumSoftware/DnsServer/blob/master/CHANGELOG.md
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