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Red Hat Enterprise Linux 8: Security Update for Python27 RHSA-2019-3335-01

red hat
Calendar Grey November 5, 2019
Dist Redhat Esm H88
Cautious security notice for python27:2.7 patch resolving various concerns on CentOS Linux.
An update for the python27:2.7 module is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate

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.
Security Fix(es):
* numpy: crafted serialized object passed in numpy.load() in pickle python module allows arbitrary code execution (CVE-2019-6446)
* python: CRLF injection via the query part of the url passed to urlopen() (CVE-2019-9740)
* python: CRLF injection via the path part of the url passed to urlopen() (CVE-2019-9947)
* python: Undocumented local_file protocol allows remote attackers to bypass protection mechanisms (CVE-2019-9948)
* python-urllib3: CRLF injection due to not encoding the ' ' sequence leading to possible attack on internal service (CVE-2019-11236)
* python-urllib3: Certification mishandle when error should be thrown (CVE-2019-11324)
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 8.1 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory moderate security update arbitrary code execution Red Hat Enterprise Linux CRLF injection python module

References

https://access.redhat.com/security/cve/CVE-2019-6446 https://access.redhat.com/security/cve/CVE-2019-9740 https://access.redhat.com/security/cve/CVE-2019-9947 https://access.redhat.com/security/cve/CVE-2019-9948 https://access.redhat.com/security/cve/CVE-2019-11236 https://access.redhat.com/security/cve/CVE-2019-11324 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.1_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


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2019:3335-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:3335
Issue date: 2019-11-05

Topic

An update for the python27:2.7 module is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate security update arbitrary code execution Red Hat Enterprise Linux CRLF injection python module

Relevant Releases Architectures

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

Bugs Fixed

1667950 - CVE-2019-6446 numpy: crafted serialized object passed in numpy.load() in pickle python module allows arbitrary code execution

1680967 - Rebase python2 to 2.7.16 for compatibility with OpenSSL 1.1.1 and TLS 1.3

1688169 - CVE-2019-9740 python: CRLF injection via the query part of the url passed to urlopen()

1695570 - CVE-2019-9948 python: Undocumented local_file protocol allows remote attackers to bypass protection mechanisms

1695572 - CVE-2019-9947 python: CRLF injection via the path part of the url passed to urlopen()

1700824 - CVE-2019-11236 python-urllib3: CRLF injection due to not encoding the '

' sequence leading to possible attack on internal service

1700993 - python27 module: Include missing debuginfo files caused by an MBS bug

1702473 - CVE-2019-11324 python-urllib3: Certification mishandle when error should be thrown

1709599 - installing python2-scipy doesn't properly pull in python2-six as a dependency

1718398 - Use RPM built wheels of setuptools and pip in Python's ensurepip

1734126 - With FIPS enabled python2 able to load non-compliant md5 crypto modules

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