Detections
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EulerOS 2.0 SP5 : nginx (EulerOS-SA-2021-2340)

high Nessus Plugin ID 153068

Synopsis

The remote EulerOS host is missing a security update.

Description

According to the version of the nginx packages installed, the EulerOS installation on the remote host is affected by the following vulnerability :

 - A security issue in nginx resolver was identified, which might allow an attacker who is able to forge UDP packets from the DNS server to cause 1-byte memory overwrite, resulting in worker process crash or potential other impact.(CVE-2021-23017)

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 nginx package.

See Also

http://www.nessus.org/u?0fdad128

Plugin Details

Severity: High

ID: 153068

File Name: EulerOS_SA-2021-2340.nasl

Version: 1.5

Type: local

Published: 9/7/2021

Updated: 3/23/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.3

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-2021-23017

CVSS v3

Risk Factor: High

Base Score: 7.7

Temporal Score: 6.9

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

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

Vulnerability Information

CPE: p-cpe:/a:huawei:euleros:nginx-all-modules, p-cpe:/a:huawei:euleros:nginx-mod-http-image-filter, cpe:/o:huawei:euleros:2.0, p-cpe:/a:huawei:euleros:nginx-mod-stream, p-cpe:/a:huawei:euleros:nginx, p-cpe:/a:huawei:euleros:nginx-mod-http-perl, p-cpe:/a:huawei:euleros:nginx-filesystem, p-cpe:/a:huawei:euleros:nginx-mod-http-xslt-filter, p-cpe:/a:huawei:euleros:nginx-mod-mail

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: 9/3/2021

Reference Information

CVE: CVE-2021-23017