CVE-2021-3672

Public on 2021-10-29
Modified on 2021-11-04
Description
A flaw was found in c-ares library, where a missing input validation check of host names returned by DNS (Domain Name Servers) can lead to output of wrong hostnames which might potentially lead to Domain Hijacking. The highest threat from this vulnerability is to confidentiality and integrity as well as system availability.
Severity
Medium
CVSS v3 Base Score
5.0
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 c-ares 2021-10-29 16:37 ALAS-2021-1545

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 5.0 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L