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Red Hat: RHSA-2020-4654-01 Moderate: Python27 Infinite Loop & Traversal

red hat
Calendar Grey November 4, 2020
Dist Redhat Esm H88
A significant security enhancement for python27:2.7 in Red Hat Enterprise Linux has been released. Discover more details!
An update for the python27:2.7 module 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 that supports modules, classes, exceptions, high-level dynamic data types, and dynamic typing. The python27 packages provide a stable release of Python 2.7 with a number of additional utilities and database connectorsfor MySQL and PostgreSQL.
Security Fix(es):
* 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)
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 8.3 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory security update directory traversal Red Hat Enterprise Linux infinite loop Moderate severity python27

References

https://access.redhat.com/security/cve/CVE-2019-20907 https://access.redhat.com/security/cve/CVE-2019-20916 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.3_release_notes/

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: Cython-0.28.1-7.module+el8.1.0+3111+de3f2d8e.src.rpm PyYAML-3.12-16.module+el8.1.0+3111+de3f2d8e.src.rpm babel-2.5.1-9.module+el8.1.0+3111+de3f2d8e.src.rpm numpy-1.14.2-13.module+el8.1.0+3323+7ac3e00f.src.rpm pytest-3.4.2-13.module+el8.1.0+3111+de3f2d8e.src.rpm python-PyMySQL-0.8.0-10.module+el8.1.0+3111+de3f2d8e.src.rpm python-attrs-17.4.0-10.module+el8.1.0+3111+de3f2d8e.src.rpm python-backports-1.0-15.module+el8.1.0+3111+de3f2d8e.src.rpm python-backports-ssl_match_hostname-3.5.0.1-11.module+el8.1.0+3111+de3f2d8e.src.rpm python-chardet-3.0.4-10.module+el8.1.0+3111+de3f2d8e.src.rpm python-coverage-4.5.1-4.module+el8.1.0+3111+de3f2d8e.src.rpm python-dns-1.15.0-10.module+el8.1.0+3111+de3f2d8e.src.rpm python-docs-2.7.16-2.module+el8.1.0+3111+de3f2d8e.src.rpm python-docutils-0.14-12.module+el8.1.0+3111+de3f2d8e.src.rpm python-funcsigs-1.0.2-13.module+el8.1.0+3111+de3f2d8e.src.rpm python-idna-2.5-7.module+el8.1.0+3111+de3f2d8e.src.rpm python-ipaddress-1.0.18-6.module+el8.1.0+3111+de3f2d8e.src.rpm python-jinja2-2.10-8.module+el8.1.0+3111+de3f2d8e.src.rpm python-lxml-4.2.3-3.module+el8.1.0+3111+de3f2d8e.src.rpm python-markupsafe-0.23-19.module+el8.1.0+3111+de3f2d8e.src.rpm

Read the Full Advisory


Advisory ID: RHSA-2020:4654-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:4654
Issue date: 2020-11-03

Topic

An update for the python27:2.7 module is now available for Red HatEnterprise 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 update directory traversal Red Hat Enterprise Linux infinite loop Moderate severity python27

Relevant Releases Architectures

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

Bugs Fixed

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

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