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Red Hat 8 RHSA-2022:1986-01 Moderate: Python3 Security Risk

red hat
Calendar Grey May 10, 2022
Dist Redhat Esm H88
Red Hat issues a significant security patch for python3 in Enterprise Linux 8 targeting urgent vulnerabilities.
An update for python3 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.
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.

Topics%20covered

Topics Covered

security advisory security issue update Red Hat Enterprise Linux moderate security threat type python3

References

https://access.redhat.com/security/cve/CVE-2021-3737 https://access.redhat.com/security/cve/CVE-2021-4189 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):
aarch64: platform-python-debug-3.6.8-45.el8.aarch64.rpm platform-python-devel-3.6.8-45.el8.aarch64.rpm python3-debuginfo-3.6.8-45.el8.aarch64.rpm python3-debugsource-3.6.8-45.el8.aarch64.rpm python3-idle-3.6.8-45.el8.aarch64.rpm python3-tkinter-3.6.8-45.el8.aarch64.rpm
ppc64le: platform-python-debug-3.6.8-45.el8.ppc64le.rpm platform-python-devel-3.6.8-45.el8.ppc64le.rpm python3-debuginfo-3.6.8-45.el8.ppc64le.rpm python3-debugsource-3.6.8-45.el8.ppc64le.rpm python3-idle-3.6.8-45.el8.ppc64le.rpm python3-tkinter-3.6.8-45.el8.ppc64le.rpm
s390x: platform-python-debug-3.6.8-45.el8.s390x.rpm platform-python-devel-3.6.8-45.el8.s390x.rpm python3-debuginfo-3.6.8-45.el8.s390x.rpm python3-debugsource-3.6.8-45.el8.s390x.rpm python3-idle-3.6.8-45.el8.s390x.rpm python3-tkinter-3.6.8-45.el8.s390x.rpm
x86_64: platform-python-3.6.8-45.el8.i686.rpm platform-python-debug-3.6.8-45.el8.i686.rpm platform-python-debug-3.6.8-45.el8.x86_64.rpm platform-python-devel-3.6.8-45.el8.i686.rpm platform-python-devel-3.6.8-45.el8.x86_64.rpm python3-debuginfo-3.6.8-45.el8.i686.rpm python3-debuginfo-3.6.8-45.el8.x86_64.rpm python3-debugsource-3.6.8-45.el8.i686.rpm python3-debugsource-3.6.8-45.el8.x86_64.rpm python3-idle-3.6.8-45.el8.i686.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2022:1986-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:1986
Issue date: 2022-05-10

Topic

An update for python3 is now available 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 update Red Hat Enterprise Linux moderate security threat type python3

Relevant Releases Architectures

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

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

Bugs Fixed

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

2003758 - threading wait(timeout) doesn't return after timeout if system clock is set backward

2009200 - python3 TimedRotatingFileHandler does not raise exception if given path is device (/dev/null) and turns it into a file

2036020 - CVE-2021-4189 python: ftplib should not use the host from the PASV response

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