CVE-2021-3672

Published Nov 23, 2021

Last updated 10 months ago

Overview

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.
Source
secalert@redhat.com
NVD status
Modified

Risk scores

CVSS 3.1

Type
Primary
Base score
5.6
Impact score
3.4
Exploitability score
2.2
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Severity
MEDIUM

CVSS 2.0

Type
Primary
Base score
6.8
Impact score
6.4
Exploitability score
8.6
Vector string
AV:N/AC:M/Au:N/C:P/I:P/A:P

Weaknesses

nvd@nist.gov
CWE-79
secalert@redhat.com
CWE-79

Social media

Hype score
Not currently trending

Configurations