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MiracleLinux 8 : python38:3.8 (AXSA:2021-1517:01)

critical Nessus Plugin ID 294619

Synopsis

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

Description

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2021-1517:01 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)
 * 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)
 * python: DoS via inefficiency in IPv{4,6}Interface classes (CVE-2020-14422)

Tenable has extracted the preceding description block directly from the MiracleLinux security advisory.

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://tsn.miraclelinux.com/en/node/12699

Plugin Details

Severity: Critical

ID: 294619

File Name: miracle_linux_AXSA-2021-1517.nasl

Version: 1.1

Type: local

Published: 1/20/2026

Updated: 1/20/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

Vendor

Vendor Severity: Moderate

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

CVSS v4

Risk Factor: Critical

Base Score: 9.3

Threat Score: 8.9

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

CPE: p-cpe:/a:miracle:linux:python38-pluggy, p-cpe:/a:miracle:linux:python38-jinja2, p-cpe:/a:miracle:linux:python38-numpy-f2py, p-cpe:/a:miracle:linux:python38-packaging, p-cpe:/a:miracle:linux:python38-six, p-cpe:/a:miracle:linux:pyyaml-debugsource, p-cpe:/a:miracle:linux:python-cryptography-debugsource, p-cpe:/a:miracle:linux:cython-debugsource, p-cpe:/a:miracle:linux:scipy-debugsource, p-cpe:/a:miracle:linux:python38-idle, p-cpe:/a:miracle:linux:python38-ply, p-cpe:/a:miracle:linux:python38-psycopg2, p-cpe:/a:miracle:linux:python38-wheel, p-cpe:/a:miracle:linux:python38-psycopg2-doc, p-cpe:/a:miracle:linux:python38-numpy-doc, p-cpe:/a:miracle:linux:python38-pymysql, p-cpe:/a:miracle:linux:python38-urllib3, p-cpe:/a:miracle:linux:python38-idna, p-cpe:/a:miracle:linux:python38-pytest, p-cpe:/a:miracle:linux:python38-libs, p-cpe:/a:miracle:linux:python38-pip, p-cpe:/a:miracle:linux:python38-setuptools-wheel, p-cpe:/a:miracle:linux:python38, p-cpe:/a:miracle:linux:python38-cryptography, p-cpe:/a:miracle:linux:python38-babel, p-cpe:/a:miracle:linux:python38-more-itertools, p-cpe:/a:miracle:linux:python38-markupsafe, p-cpe:/a:miracle:linux:python38-wheel-wheel, p-cpe:/a:miracle:linux:python38-devel, p-cpe:/a:miracle:linux:python38-test, p-cpe:/a:miracle:linux:python38-tkinter, p-cpe:/a:miracle:linux:python-psycopg2-debugsource, p-cpe:/a:miracle:linux:python38-chardet, cpe:/o:miracle:linux:8, p-cpe:/a:miracle:linux:python38-lxml, p-cpe:/a:miracle:linux:python38-requests, p-cpe:/a:miracle:linux:python38-mod_wsgi, p-cpe:/a:miracle:linux:python-markupsafe-debugsource, p-cpe:/a:miracle:linux:python38-atomicwrites, p-cpe:/a:miracle:linux:python38-cython, p-cpe:/a:miracle:linux:python-lxml-debugsource, p-cpe:/a:miracle:linux:python38-asn1crypto, p-cpe:/a:miracle:linux:python38-cffi, p-cpe:/a:miracle:linux:python38-setuptools, p-cpe:/a:miracle:linux:numpy-debugsource, p-cpe:/a:miracle:linux:python38-pysocks, p-cpe:/a:miracle:linux:python38-pytz, p-cpe:/a:miracle:linux:python38-scipy, p-cpe:/a:miracle:linux:python38-debugsource, p-cpe:/a:miracle:linux:python38-pyyaml, p-cpe:/a:miracle:linux:python38-wcwidth, p-cpe:/a:miracle:linux:python-cffi-debugsource, p-cpe:/a:miracle:linux:python38-attrs, p-cpe:/a:miracle:linux:python38-psutil, p-cpe:/a:miracle:linux:python38-numpy, p-cpe:/a:miracle:linux:python38-pyparsing, p-cpe:/a:miracle:linux:python38-rpm-macros, p-cpe:/a:miracle:linux:python38-py, p-cpe:/a:miracle:linux:python38-psycopg2-tests, p-cpe:/a:miracle:linux:python-psutil-debugsource, p-cpe:/a:miracle:linux:python38-debug, p-cpe:/a:miracle:linux:python38-pip-wheel, p-cpe:/a:miracle:linux:python38-pycparser

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/21/2021

Vulnerability Publication Date: 1/30/2020

Reference Information

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