RHEL 8 : python3 (RHSA-2022:1986)

medium Nessus Plugin ID 161022

Synopsis

The remote Red Hat host is missing one or more security updates for python3.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:1986 advisory.

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems.

Security Fix(es):

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

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

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.6 Release Notes linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux 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 RHEL python3 package based on the guidance in RHSA-2022:1986.

See Also

http://www.nessus.org/u?3944dfb8

http://www.nessus.org/u?9341665d

https://access.redhat.com/security/updates/classification/#moderate

https://access.redhat.com/errata/RHSA-2022:1986

https://bugzilla.redhat.com/show_bug.cgi?id=1995162

https://bugzilla.redhat.com/show_bug.cgi?id=2003758

https://bugzilla.redhat.com/show_bug.cgi?id=2009200

https://bugzilla.redhat.com/show_bug.cgi?id=2036020

Plugin Details

Severity: Medium

ID: 161022

File Name: redhat-RHSA-2022-1986.nasl

Version: 1.11

Type: local

Agent: unix

Published: 5/11/2022

Updated: 11/7/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: High

Base Score: 7.1

Temporal Score: 5.6

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

CVSS Score Source: CVE-2021-3737

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.8

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

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

CVSS Score Source: CVE-2021-4189

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:python3-libs, p-cpe:/a:redhat:enterprise_linux:python3, p-cpe:/a:redhat:enterprise_linux:python3-test, p-cpe:/a:redhat:enterprise_linux:python3-idle, p-cpe:/a:redhat:enterprise_linux:python3-tkinter, p-cpe:/a:redhat:enterprise_linux:platform-python, p-cpe:/a:redhat:enterprise_linux:platform-python-devel, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:platform-python-debug

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/10/2022

Vulnerability Publication Date: 9/20/2021

Reference Information

CVE: CVE-2021-3737, CVE-2021-4189

CWE: 252, 400

IAVA: 2021-A-0497-S

RHSA: 2022:1986