AlmaLinux 8 : python27:2.7 (ALSA-2022:1821)

high Nessus Plugin ID 161115

Synopsis

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

Description

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2022:1821 advisory.

* python: urllib: Regular expression DoS in AbstractBasicAuthHandler (CVE-2021-3733)

* python: ftplib should not use the host from the PASV response (CVE-2021-4189)

* python-lxml: HTML Cleaner allows crafted and SVG embedded scripts to pass through (CVE-2021-43818)

* python: urllib.parse does not sanitize URLs containing ASCII newline and tabs (CVE-2022-0391)

* python: urllib: HTTP client possible infinite loop on a 100 Continue response (CVE-2021-3737)

Tenable has extracted the preceding description block directly from the AlmaLinux 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://errata.almalinux.org/8/ALSA-2022-1821.html

Plugin Details

Severity: High

ID: 161115

File Name: alma_linux_ALSA-2022-1821.nasl

Version: 1.6

Type: local

Published: 5/12/2022

Updated: 1/13/2025

Supported Sensors: Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

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-2021-43818

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

CVSS Score Source: CVE-2022-0391

Vulnerability Information

CPE: p-cpe:/a:alma:linux:python2-pymysql, p-cpe:/a:alma:linux:python-nose-docs, p-cpe:/a:alma:linux:python2-attrs, p-cpe:/a:alma:linux:python2-markupsafe, p-cpe:/a:alma:linux:python2-lxml, p-cpe:/a:alma:linux:python2-nose, p-cpe:/a:alma:linux:python2-psycopg2-debug, p-cpe:/a:alma:linux:python2-pysocks, p-cpe:/a:alma:linux:python2-pytest-mock, p-cpe:/a:alma:linux:python2-six, p-cpe:/a:alma:linux:babel, p-cpe:/a:alma:linux:python2-urllib3, p-cpe:/a:alma:linux:python2-libs, p-cpe:/a:alma:linux:python-psycopg2-doc, p-cpe:/a:alma:linux:python2-cython, p-cpe:/a:alma:linux:python2-pip, p-cpe:/a:alma:linux:python2-sqlalchemy, p-cpe:/a:alma:linux:python2, p-cpe:/a:alma:linux:python2-idna, p-cpe:/a:alma:linux:python2-test, p-cpe:/a:alma:linux:python2-devel, p-cpe:/a:alma:linux:python2-bson, p-cpe:/a:alma:linux:python2-backports-ssl_match_hostname, p-cpe:/a:alma:linux:python-sqlalchemy-doc, p-cpe:/a:alma:linux:python2-dns, p-cpe:/a:alma:linux:python2-babel, p-cpe:/a:alma:linux:python2-pluggy, p-cpe:/a:alma:linux:python2-pip-wheel, p-cpe:/a:alma:linux:python2-pymongo-gridfs, p-cpe:/a:alma:linux:python2-tools, p-cpe:/a:alma:linux:python2-setuptools, p-cpe:/a:alma:linux:python2-scipy, p-cpe:/a:alma:linux:python2-pytest, p-cpe:/a:alma:linux:python2-setuptools-wheel, p-cpe:/a:alma:linux:python2-chardet, p-cpe:/a:alma:linux:python2-pytz, p-cpe:/a:alma:linux:python2-numpy-doc, p-cpe:/a:alma:linux:python2-funcsigs, cpe:/o:alma:linux:8, p-cpe:/a:alma:linux:python2-tkinter, p-cpe:/a:alma:linux:python2-setuptools_scm, p-cpe:/a:alma:linux:python2-backports, p-cpe:/a:alma:linux:python2-numpy, p-cpe:/a:alma:linux:python2-py, p-cpe:/a:alma:linux:python2-mock, p-cpe:/a:alma:linux:python2-requests, p-cpe:/a:alma:linux:python2-docs-info, p-cpe:/a:alma:linux:python2-jinja2, p-cpe:/a:alma:linux:python2-psycopg2-tests, p-cpe:/a:alma:linux:python2-pymongo, p-cpe:/a:alma:linux:python2-virtualenv, p-cpe:/a:alma:linux:python2-wheel-wheel, p-cpe:/a:alma:linux:python2-pygments, p-cpe:/a:alma:linux:python2-numpy-f2py, p-cpe:/a:alma:linux:python2-pyyaml, p-cpe:/a:alma:linux:python2-docutils, p-cpe:/a:alma:linux:python2-rpm-macros, p-cpe:/a:alma:linux:python2-ipaddress, p-cpe:/a:alma:linux:python2-debug, p-cpe:/a:alma:linux:python2-psycopg2, p-cpe:/a:alma:linux:python2-wheel, p-cpe:/a:alma:linux:python2-coverage, p-cpe:/a:alma:linux:python2-docs

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/10/2022

Vulnerability Publication Date: 9/20/2021

Reference Information

CVE: CVE-2021-3733, CVE-2021-3737, CVE-2021-4189, CVE-2021-43818, CVE-2022-0391

IAVA: 2021-A-0497-S