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

critical Nessus Plugin ID 150833
New! Plugin Severity Now Using CVSS v3

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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: Critical

ID: 150833

File Name: centos8_RHSA-2021-2290.nasl

Version: 1.4

Type: local

Agent: unix

Published: 6/16/2021

Updated: 10/19/2021

Dependencies: ssh_get_info.nasl

Risk Information

CVSS Score Source: CVE-2021-23017

VPR

Risk Factor: High

Score: 8

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

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

Temporal Vector: E:POC/RL:OF/RC:C

CVSS v3

Risk Factor: Critical

Base Score: 9.4

Temporal Score: 8.4

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

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

Vulnerability Information

CPE: cpe:/o:centos:centos:8, p-cpe:/a:centos:centos:nginx, p-cpe:/a:centos:centos:nginx-all-modules, p-cpe:/a:centos:centos:nginx-filesystem, p-cpe:/a:centos:centos:nginx-mod-http-image-filter, p-cpe:/a:centos:centos:nginx-mod-http-perl, p-cpe:/a:centos:centos:nginx-mod-http-xslt-filter, p-cpe:/a:centos:centos:nginx-mod-mail, p-cpe:/a:centos:centos:nginx-mod-stream

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

RHSA: 2021:2290

IAVB: 2021-B-0031