CVE Vulnerabilities

CVE-2021-43105

Published: Mar 28, 2022 | Modified: Apr 05, 2022

CVSS 3.x

4.3

MEDIUM

Source:

NVD

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

CVSS 2.x

4 MEDIUM

RedHat/V2

RedHat/V3

Ubuntu

Additional information

NVD	https://nvd.nist.gov/vuln/detail/CVE-2021-43105
CWE	https://cwe.mitre.org/data/definitions/.html

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.

Affected Software

Name	Vendor	Start Version	End Version
Dns_server	Technitium	*	7.0 (including)

References

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

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