CentOS 8 : nginx:1.16 (CESA-2021:2290)

high Nessus Plugin ID 150833

Synopsis

The remote CentOS host is missing a security update.

Description

The remote CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CESA-2021:2290 advisory.

- nginx: Off-by-one in ngx_resolver_copy() when labels are followed by a pointer to a root domain name (CVE-2021-23017)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://access.redhat.com/errata/RHSA-2021:2290

Plugin Details

Severity: High

ID: 150833

File Name: centos8_RHSA-2021-2290.nasl

Version: 1.6

Type: local

Agent: unix

Published: 6/16/2021

Updated: 3/23/2023

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, 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:centos:centos:nginx-mod-http-xslt-filter, p-cpe:/a:centos:centos:nginx-all-modules, p-cpe:/a:centos:centos:nginx-filesystem, p-cpe:/a:centos:centos:nginx-mod-stream, p-cpe:/a:centos:centos:nginx-mod-mail, p-cpe:/a:centos:centos:nginx-mod-http-image-filter, cpe:/o:centos:centos:8, p-cpe:/a:centos:centos:nginx, p-cpe:/a:centos:centos:nginx-mod-http-perl

Required KB Items: Host/local_checks_enabled, Host/CentOS/release, Host/CentOS/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/8/2021

Vulnerability Publication Date: 5/25/2021

Reference Information

CVE: CVE-2021-23017

IAVB: 2021-B-0031

RHSA: 2021:2290