CVE Vulnerability

CVE-2021-43105

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.

4 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

4.3 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://github.com/TechnitiumSoftware/DnsServer/blob/master/CHANGELOG.md Release Notes Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:technitium:dns_server:*:*:*:*:*:*:*:*
Information

Published : 2022-03-28 11:15

Updated : 2022-04-05 03:06

NVD link : CVE-2021-43105

Mitre link : CVE-2021-43105

Products Affected
No products.
CWE
NVD-CWE-noinfo