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RedHat: RHSA-2020-4273-01 Moderate: Python27 Security Issues Resolved

red hat
Calendar Grey October 20, 2020
Dist Redhat Esm H88
Stay informed about the latest Python security update for Red Hat, which addresses vulnerabilities in multiple versions and enhances system protection
An update for python27-python, python27-python-pip, and python27-python-virtualenv 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.
The following packages have been upgraded to a later upstream version: python27-python (2.7.18). (BZ#1882656)
Security Fix(es):
* python: CRLF injection via the host part of the url passed to urlopen() (CVE-2019-18348)
* python: infinite loop in the tarfile module via crafted TAR archive (CVE-2019-20907)
* python-pip: directory traversal in _download_http_url() function in src/pip/_internal/download.py (CVE-2019-20916)
* python: CRLF injection via HTTP request method in httplib/http.client (CVE-2020-26116)
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.
Bug Fix(es):
* python27-python-pip: Bundles own CA bundle instead of using system CA bundle (BZ#1882668)
* python27-python-pip: Contains multiple bundled libraries, and has no bundled() provides (BZ#1882669)

Topics%20covered

Topics Covered

security advisory Red Hat directory traversal security fix moderate impact python update CRLF injection

References

https://access.redhat.com/security/cve/CVE-2019-18348 https://access.redhat.com/security/cve/CVE-2019-20907 https://access.redhat.com/security/cve/CVE-2019-20916 https://access.redhat.com/security/cve/CVE-2020-26116 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-2.7.18-2.el7.src.rpm python27-python-pip-8.1.2-6.el7.src.rpm python27-python-virtualenv-13.1.0-4.el7.src.rpm
noarch: python27-python-pip-8.1.2-6.el7.noarch.rpm python27-python-virtualenv-13.1.0-4.el7.noarch.rpm
ppc64le: python27-python-2.7.18-2.el7.ppc64le.rpm python27-python-debug-2.7.18-2.el7.ppc64le.rpm python27-python-debuginfo-2.7.18-2.el7.ppc64le.rpm python27-python-devel-2.7.18-2.el7.ppc64le.rpm python27-python-libs-2.7.18-2.el7.ppc64le.rpm python27-python-test-2.7.18-2.el7.ppc64le.rpm python27-python-tools-2.7.18-2.el7.ppc64le.rpm python27-tkinter-2.7.18-2.el7.ppc64le.rpm
s390x: python27-python-2.7.18-2.el7.s390x.rpm python27-python-debug-2.7.18-2.el7.s390x.rpm python27-python-debuginfo-2.7.18-2.el7.s390x.rpm python27-python-devel-2.7.18-2.el7.s390x.rpm python27-python-libs-2.7.18-2.el7.s390x.rpm python27-python-test-2.7.18-2.el7.s390x.rpm python27-python-tools-2.7.18-2.el7.s390x.rpm python27-tkinter-2.7.18-2.el7.s390x.rpm
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7):
Source: python27-python-2.7.18-2.el7.src.rpm python27-python-pip-8.1.2-6.el7.src.rpm python27-python-virtualenv-13.1.0-4.el7.src.rpm
noarch: python27-python-pip-8.1.2-6.el7.noarch.rpm

Read the Full Advisory


Advisory ID: RHSA-2020:4273-01
Product: Red Hat Software Collections
Advisory URL: https://access.redhat.com/errata/RHSA-2020:4273
Issue date: 2020-10-20

Topic

An update for python27-python, python27-python-pip, andpython27-python-virtualenv is now available for Red Hat SoftwareCollections.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 Red Hat directory traversal security fix moderate impact python update CRLF injection

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 Server EUS (v. 7.6) - noarch, ppc64le, s390x, x86_64

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7) - noarch, ppc64le, s390x, x86_64

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

Bugs Fixed

1727276 - CVE-2019-18348 python: CRLF injection via the host part of the url passed to urlopen()

1856481 - CVE-2019-20907 python: infinite loop in the tarfile module via crafted TAR archive

1868135 - CVE-2019-20916 python-pip: directory traversal in _download_http_url() function in src/pip/_internal/download.py

1882656 - Update the python 2 interpreter to its last release, 2.7.18

1883014 - CVE-2020-26116 python: CRLF injection via HTTP request method in httplib/http.client

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