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Red Hat Enterprise Linux 8: RHSA-2022-1764 Moderate: Python Threats

red hat
Calendar Grey May 10, 2022
Dist Redhat Esm H88
CentOS issued a significant security bulletin concerning python39:3.9 and python39-devel:3.9. Assess and implement the update now!
An update for the python38:3.8 and python38-devel:3.8 modules is now available for Red Hat Enterprise Linux 8

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Summary

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.
The following packages have been upgraded to a later upstream version: python38 (3.8), python38-devel (3.8). (BZ#1997680, BZ#1997860)
Security Fix(es):
* python: urllib: Regular expression DoS in AbstractBasicAuthHandler (CVE-2021-3733)
* 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)
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.

Topics%20covered

Topics Covered

security advisory security issue Red Hat software fix DoS threat python update Moderate severity

References

https://access.redhat.com/security/cve/CVE-2021-3733 https://access.redhat.com/security/cve/CVE-2021-3737 https://access.redhat.com/security/cve/CVE-2021-43818 https://access.redhat.com/security/cve/CVE-2022-0391 https://access.redhat.com/security/updates/classification#moderate https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/8/html/8.6_release_notes/index

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: Cython-0.29.14-4.module+el8.4.0+8888+89bc7e79.src.rpm PyYAML-5.4.1-1.module+el8.5.0+10721+14d8e0d5.src.rpm babel-2.7.0-11.module+el8.5.0+11015+9c1c7c42.src.rpm mod_wsgi-4.6.8-3.module+el8.4.0+8888+89bc7e79.src.rpm numpy-1.17.3-6.module+el8.5.0+12205+a865257a.src.rpm python-PyMySQL-0.10.1-1.module+el8.4.0+9692+8e86ab84.src.rpm python-asn1crypto-1.2.0-3.module+el8.4.0+8888+89bc7e79.src.rpm python-cffi-1.13.2-3.module+el8.4.0+8888+89bc7e79.src.rpm python-chardet-3.0.4-19.module+el8.4.0+8888+89bc7e79.src.rpm python-cryptography-2.8-3.module+el8.4.0+8888+89bc7e79.src.rpm python-idna-2.8-6.module+el8.4.0+8888+89bc7e79.src.rpm python-jinja2-2.10.3-5.module+el8.5.0+10542+ba057329.src.rpm python-lxml-4.4.1-7.module+el8.6.0+13958+214a5473.src.rpm python-markupsafe-1.1.1-6.module+el8.4.0+8888+89bc7e79.src.rpm python-ply-3.11-10.module+el8.4.0+9579+e9717e18.src.rpm python-psutil-5.6.4-4.module+el8.5.0+12031+10ce4870.src.rpm python-psycopg2-2.8.4-4.module+el8.4.0+8888+89bc7e79.src.rpm python-pycparser-2.19-3.module+el8.4.0+8888+89bc7e79.src.rpm python-pysocks-1.7.1-4.module+el8.4.0+8888+89bc7e79.src.rpm python-requests-2.22.0-9.module+el8.4.0+8888+89bc7e79.src.rpm python-urllib3-1.25.7-5.module+el8.5.0+11639+ea5b349d.src.rpm

Read the Full Advisory


Advisory ID: RHSA-2022:1764-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:1764
Issue date: 2022-05-10

Topic

An update for the python38:3.8 and python38-devel:3.8 modules is nowavailable for Red Hat Enterprise Linux 8.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory security issue Red Hat software fix DoS threat python update Moderate severity

Relevant Releases Architectures

Red Hat CodeReady Linux Builder (v. 8) - noarch

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

1995162 - CVE-2021-3737 python: urllib: HTTP client possible infinite loop on a 100 Continue response

1995234 - CVE-2021-3733 python: urllib: Regular expression DoS in AbstractBasicAuthHandler

2004587 - Update the python interpreter to the latest security release 3.8.12

2006789 - RHEL 8 Python 3.8: pip contains bundled pre-built exe files in site-packages/pip/_vendor/distlib/

2032569 - CVE-2021-43818 python-lxml: HTML Cleaner allows crafted and SVG embedded scripts to pass through

2047376 - CVE-2022-0391 python: urllib.parse does not sanitize URLs containing ASCII newline and tabs

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