Detections
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EulerOS 2.0 SP9 : c-ares (EulerOS-SA-2021-2704)

medium Nessus Plugin ID 155255

Synopsis

The remote EulerOS host is missing a security update.

Description

According to the versions of the c-ares package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

 - 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)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected c-ares packages.

See Also

http://www.nessus.org/u?78dad8b6

Plugin Details

Severity: Medium

ID: 155255

File Name: EulerOS_SA-2021-2704.nasl

Version: 1.5

Type: local

Published: 11/11/2021

Updated: 11/24/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.2

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

CPE: p-cpe:/a:huawei:euleros:c-ares, cpe:/o:huawei:euleros:2.0

Required KB Items: Host/local_checks_enabled, Host/EulerOS/release, Host/EulerOS/rpm-list, Host/EulerOS/sp

Excluded KB Items: Host/EulerOS/uvp_version

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/11/2021

Vulnerability Publication Date: 8/13/2021

Reference Information

CVE: CVE-2021-3672