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Alpine: multiple c-ares packages: security update to 1.17.2-r0

medium Tenable Cloud Security Plugin ID 423778

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - 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. (CVE-2021-3672)

See Also

https://security.alpinelinux.org/vuln/CVE-2021-3672

Plugin Details

Severity: Medium

ID: 423778

Version: Revision 1.8

Type: Local

Published: 4/4/2025

Updated: 7/2/2026

Supported Sensors: Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 2.8

Percentile: 22.22

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2021-3672

CVSS v3

Risk Factor: Medium

Base Score: 5.6

Temporal Score: 5.1

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 8/12/2021

Reference Information

CVE: CVE-2021-3672