Detections
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EulerOS 2.0 SP5 : unbound (EulerOS-SA-2020-1933)

high Nessus Plugin ID 140154

Synopsis

The remote EulerOS host is missing multiple security updates.

Description

According to the versions of the unbound packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

 - Unbound before 1.10.1 has an infinite loop via malformed DNS answers received from upstream servers.(CVE-2020-12663)

 - Unbound before 1.10.1 has Insufficient Control of Network Message Volume, aka an 'NXNSAttack' issue. This is triggered by random subdomains in the NSDNAME in NS records.(CVE-2020-12662)

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 unbound packages.

See Also

http://www.nessus.org/u?34cfff32

Plugin Details

Severity: High

ID: 140154

File Name: EulerOS_SA-2020-1933.nasl

Version: 1.5

Type: local

Published: 9/2/2020

Updated: 2/22/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2020-12663

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: p-cpe:/a:huawei:euleros:unbound, p-cpe:/a:huawei:euleros:unbound-libs, 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 Ease: No known exploits are available

Patch Publication Date: 9/2/2020

Reference Information

CVE: CVE-2020-12662, CVE-2020-12663