Detections
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CentOS 8 : python38:3.8 (CESA-2020:4641)

critical Nessus Plugin ID 146036

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Synopsis

The remote CentOS host is missing one or more security updates.

Description

The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2020:4641 advisory.

 - PyYAML: command execution through python/object/apply constructor in FullLoader (CVE-2019-20477)

 - python: infinite loop in the tarfile module via crafted TAR archive (CVE-2019-20907)

 - python: DoS via inefficiency in IPv{4,6}Interface classes (CVE-2020-14422)

 - PyYAML: arbitrary command execution through python/object/new when FullLoader is used (CVE-2020-1747)

 - python: wrong backtracking in urllib.request.AbstractBasicAuthHandler allows for a ReDoS (CVE-2020-8492)

Note that Nessus has not tested for these issues 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-2020:4641

Plugin Details

Severity: Critical

ID: 146036

File Name: centos8_RHSA-2020-4641.nasl

Version: 1.7

Type: local

Agent: unix

Published: 2/1/2021

Updated: 1/24/2024

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

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

CVSS Score Source: CVE-2020-1747

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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

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

Vulnerability Information

CPE: cpe:/o:centos:centos:8, p-cpe:/a:centos:centos:python38, p-cpe:/a:centos:centos:python38-cython, p-cpe:/a:centos:centos:python38-pymysql, p-cpe:/a:centos:centos:python38-asn1crypto, p-cpe:/a:centos:centos:python38-babel, p-cpe:/a:centos:centos:python38-cffi, p-cpe:/a:centos:centos:python38-chardet, p-cpe:/a:centos:centos:python38-cryptography, p-cpe:/a:centos:centos:python38-debug, p-cpe:/a:centos:centos:python38-devel, p-cpe:/a:centos:centos:python38-idle, p-cpe:/a:centos:centos:python38-idna, p-cpe:/a:centos:centos:python38-jinja2, p-cpe:/a:centos:centos:python38-libs, p-cpe:/a:centos:centos:python38-lxml, p-cpe:/a:centos:centos:python38-markupsafe, p-cpe:/a:centos:centos:python38-mod_wsgi, p-cpe:/a:centos:centos:python38-numpy, p-cpe:/a:centos:centos:python38-numpy-doc, p-cpe:/a:centos:centos:python38-numpy-f2py, p-cpe:/a:centos:centos:python38-pip, p-cpe:/a:centos:centos:python38-pip-wheel, p-cpe:/a:centos:centos:python38-ply, p-cpe:/a:centos:centos:python38-psutil, p-cpe:/a:centos:centos:python38-psycopg2, p-cpe:/a:centos:centos:python38-psycopg2-doc, p-cpe:/a:centos:centos:python38-psycopg2-tests, p-cpe:/a:centos:centos:python38-pycparser, p-cpe:/a:centos:centos:python38-pysocks, p-cpe:/a:centos:centos:python38-pytz, p-cpe:/a:centos:centos:python38-pyyaml, p-cpe:/a:centos:centos:python38-requests, p-cpe:/a:centos:centos:python38-rpm-macros, p-cpe:/a:centos:centos:python38-scipy, p-cpe:/a:centos:centos:python38-setuptools, p-cpe:/a:centos:centos:python38-setuptools-wheel, p-cpe:/a:centos:centos:python38-six, p-cpe:/a:centos:centos:python38-test, p-cpe:/a:centos:centos:python38-tkinter, p-cpe:/a:centos:centos:python38-urllib3, p-cpe:/a:centos:centos:python38-wheel, p-cpe:/a:centos:centos:python38-wheel-wheel

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/4/2020

Vulnerability Publication Date: 1/30/2020

Reference Information

CVE: CVE-2019-20477, CVE-2019-20907, CVE-2020-14422, CVE-2020-1747, CVE-2020-8492

IAVA: 2021-A-0463

RHSA: 2020:4641