CVE-2020-12667

Description

Knot Resolver before 5.1.1 allows traffic amplification via a crafted DNS answer from an attacker-controlled server, aka an NXNSAttack issue. This is triggered by random subdomains in the NSDNAME in NS records.

Risk Information

Base Score

7.5

MODERATE

Vector

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

EPSS Score

Exploitation Probability

1.022

Associated Vulnerability

Vulnerability	OS Platform
caching, DNSSEC-validating DNS resolver (USN-7047-1) knot-resolver_3.2.1-3ubuntu2.2_amd64.deb	Linux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234