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RHEL 8 : python3 (RHSA-2021:4057)

medium Nessus Plugin ID 154846

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Synopsis

The remote Red Hat host is missing a security update for python3.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:4057 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: urllib: Regular expression DoS in AbstractBasicAuthHandler (CVE-2021-3733)

 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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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 RHEL python3 package based on the guidance in RHSA-2021:4057.

See Also

http://www.nessus.org/u?36680cf0

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

https://access.redhat.com/errata/RHSA-2021:4057

https://bugzilla.redhat.com/show_bug.cgi?id=1995234

Plugin Details

Severity: Medium

ID: 154846

File Name: redhat-RHSA-2021-4057.nasl

Version: 1.10

Type: local

Agent: unix

Published: 11/2/2021

Updated: 11/7/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3.1

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

CVSS Score Source: CVE-2021-3733

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

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

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

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, cpe:/o:redhat:rhel_eus:8.4, 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: 11/2/2021

Vulnerability Publication Date: 9/20/2021

Reference Information

CVE: CVE-2021-3733

CWE: 400

RHSA: 2021:4057