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Red Hat: RHSA-2022-1663 Moderate Python27 Security Fix for Issues

red hat
Calendar Grey May 2, 2022
Dist Redhat Esm H88
Cautionary security notice regarding python27 concerning updates for Red Hat Software Collections, addressing resolutions for multiple vulnerabilities.
An update for python27-python and python27-python-pip is now available for Red Hat Software Collections

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: urllib: Regular expression DoS in AbstractBasicAuthHandler (CVE-2021-3733)
* python: ftplib should not use the host from the PASV response (CVE-2021-4189)
* 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.

Topics%20covered

Topics Covered

security advisory security impact python update Moderate DoS fix Red Hat Software Collections Python security

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-2021-4189 https://access.redhat.com/security/cve/CVE-2022-0391 https://access.redhat.com/security/updates/classification#moderate

Package List

Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7):
Source: python27-python-2.7.18-4.el7.src.rpm python27-python-pip-8.1.2-7.el7.src.rpm
noarch: python27-python-pip-8.1.2-7.el7.noarch.rpm
ppc64le: python27-python-2.7.18-4.el7.ppc64le.rpm python27-python-debug-2.7.18-4.el7.ppc64le.rpm python27-python-debuginfo-2.7.18-4.el7.ppc64le.rpm python27-python-devel-2.7.18-4.el7.ppc64le.rpm python27-python-libs-2.7.18-4.el7.ppc64le.rpm python27-python-test-2.7.18-4.el7.ppc64le.rpm python27-python-tools-2.7.18-4.el7.ppc64le.rpm python27-tkinter-2.7.18-4.el7.ppc64le.rpm
s390x: python27-python-2.7.18-4.el7.s390x.rpm python27-python-debug-2.7.18-4.el7.s390x.rpm python27-python-debuginfo-2.7.18-4.el7.s390x.rpm python27-python-devel-2.7.18-4.el7.s390x.rpm python27-python-libs-2.7.18-4.el7.s390x.rpm python27-python-test-2.7.18-4.el7.s390x.rpm python27-python-tools-2.7.18-4.el7.s390x.rpm python27-tkinter-2.7.18-4.el7.s390x.rpm
x86_64: python27-python-2.7.18-4.el7.x86_64.rpm python27-python-debug-2.7.18-4.el7.x86_64.rpm python27-python-debuginfo-2.7.18-4.el7.x86_64.rpm python27-python-devel-2.7.18-4.el7.x86_64.rpm python27-python-libs-2.7.18-4.el7.x86_64.rpm python27-python-test-2.7.18-4.el7.x86_64.rpm python27-python-tools-2.7.18-4.el7.x86_64.rpm

Read the Full Advisory


Advisory ID: RHSA-2022:1663-01
Product: Red Hat Software Collections
Advisory URL: https://access.redhat.com/errata/RHSA-2022:1663
Issue date: 2022-05-02

Topic

An update for python27-python and python27-python-pip is now available forRed Hat Software Collections.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 impact python update Moderate DoS fix Red Hat Software Collections Python security

Relevant Releases Architectures

Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) - noarch, ppc64le, s390x, x86_64

Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) - noarch, 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

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

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

2064442 - SCL Python 2.7: pip contains bundled pre-built exe files in site-packages/pip/_vendor/distlib/ [rhscl-3.8.z]

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