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Red Hat Security Advisory 2020-5010-01

Red Hat Security Advisory 2020-5010-01
Posted Nov 10, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-5010-01 - Python is an accessible, high-level, dynamically typed, interpreted programming language, designed with an emphasis on code readability. It includes an extensive standard library, and has a vast ecosystem of third-party libraries. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service, python
systems | linux, redhat
advisories | CVE-2019-20907, CVE-2020-14422
MD5 | e953addcfd874b13f34ef55c38b1ca22

Red Hat Security Advisory 2020-5010-01

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====================================================================
Red Hat Security Advisory

Synopsis: Moderate: python3 security update
Advisory ID: RHSA-2020:5010-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:5010
Issue date: 2020-11-10
CVE Names: CVE-2019-20907 CVE-2020-14422
====================================================================
1. Summary:

An update for python3 is now available for Red Hat Enterprise Linux 7.

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.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Client (v. 7) - x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

3. Description:

Python is an accessible, high-level, dynamically typed, interpreted
programming language, designed with an emphasis on code readability. It
includes an extensive standard library, and has a vast ecosystem of
third-party libraries.

Security Fix(es):

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

* python: DoS via inefficiency in IPv{4,6}Interface classes
(CVE-2020-14422)

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.

4. 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

5. Bugs fixed (https://bugzilla.redhat.com/):

1854926 - CVE-2020-14422 python: DoS via inefficiency in IPv{4,6}Interface classes
1856481 - CVE-2019-20907 python: infinite loop in the tarfile module via crafted TAR archive

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
python3-3.6.8-18.el7.src.rpm

x86_64:
python3-3.6.8-18.el7.x86_64.rpm
python3-debuginfo-3.6.8-18.el7.i686.rpm
python3-debuginfo-3.6.8-18.el7.x86_64.rpm
python3-libs-3.6.8-18.el7.i686.rpm
python3-libs-3.6.8-18.el7.x86_64.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

x86_64:
python3-3.6.8-18.el7.i686.rpm
python3-debug-3.6.8-18.el7.i686.rpm
python3-debug-3.6.8-18.el7.x86_64.rpm
python3-debuginfo-3.6.8-18.el7.i686.rpm
python3-debuginfo-3.6.8-18.el7.x86_64.rpm
python3-devel-3.6.8-18.el7.i686.rpm
python3-devel-3.6.8-18.el7.x86_64.rpm
python3-idle-3.6.8-18.el7.i686.rpm
python3-idle-3.6.8-18.el7.x86_64.rpm
python3-test-3.6.8-18.el7.i686.rpm
python3-test-3.6.8-18.el7.x86_64.rpm
python3-tkinter-3.6.8-18.el7.i686.rpm
python3-tkinter-3.6.8-18.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
python3-3.6.8-18.el7.src.rpm

x86_64:
python3-3.6.8-18.el7.x86_64.rpm
python3-debuginfo-3.6.8-18.el7.i686.rpm
python3-debuginfo-3.6.8-18.el7.x86_64.rpm
python3-libs-3.6.8-18.el7.i686.rpm
python3-libs-3.6.8-18.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

x86_64:
python3-3.6.8-18.el7.i686.rpm
python3-debug-3.6.8-18.el7.i686.rpm
python3-debug-3.6.8-18.el7.x86_64.rpm
python3-debuginfo-3.6.8-18.el7.i686.rpm
python3-debuginfo-3.6.8-18.el7.x86_64.rpm
python3-devel-3.6.8-18.el7.i686.rpm
python3-devel-3.6.8-18.el7.x86_64.rpm
python3-idle-3.6.8-18.el7.i686.rpm
python3-idle-3.6.8-18.el7.x86_64.rpm
python3-test-3.6.8-18.el7.i686.rpm
python3-test-3.6.8-18.el7.x86_64.rpm
python3-tkinter-3.6.8-18.el7.i686.rpm
python3-tkinter-3.6.8-18.el7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
python3-3.6.8-18.el7.src.rpm

ppc64:
python3-3.6.8-18.el7.ppc64.rpm
python3-debuginfo-3.6.8-18.el7.ppc.rpm
python3-debuginfo-3.6.8-18.el7.ppc64.rpm
python3-libs-3.6.8-18.el7.ppc.rpm
python3-libs-3.6.8-18.el7.ppc64.rpm

ppc64le:
python3-3.6.8-18.el7.ppc64le.rpm
python3-debuginfo-3.6.8-18.el7.ppc64le.rpm
python3-libs-3.6.8-18.el7.ppc64le.rpm

s390x:
python3-3.6.8-18.el7.s390x.rpm
python3-debuginfo-3.6.8-18.el7.s390.rpm
python3-debuginfo-3.6.8-18.el7.s390x.rpm
python3-libs-3.6.8-18.el7.s390.rpm
python3-libs-3.6.8-18.el7.s390x.rpm

x86_64:
python3-3.6.8-18.el7.x86_64.rpm
python3-debuginfo-3.6.8-18.el7.i686.rpm
python3-debuginfo-3.6.8-18.el7.x86_64.rpm
python3-libs-3.6.8-18.el7.i686.rpm
python3-libs-3.6.8-18.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

ppc64:
python3-3.6.8-18.el7.ppc.rpm
python3-debug-3.6.8-18.el7.ppc.rpm
python3-debug-3.6.8-18.el7.ppc64.rpm
python3-debuginfo-3.6.8-18.el7.ppc.rpm
python3-debuginfo-3.6.8-18.el7.ppc64.rpm
python3-devel-3.6.8-18.el7.ppc.rpm
python3-devel-3.6.8-18.el7.ppc64.rpm
python3-idle-3.6.8-18.el7.ppc.rpm
python3-idle-3.6.8-18.el7.ppc64.rpm
python3-test-3.6.8-18.el7.ppc.rpm
python3-test-3.6.8-18.el7.ppc64.rpm
python3-tkinter-3.6.8-18.el7.ppc.rpm
python3-tkinter-3.6.8-18.el7.ppc64.rpm

ppc64le:
python3-debug-3.6.8-18.el7.ppc64le.rpm
python3-debuginfo-3.6.8-18.el7.ppc64le.rpm
python3-devel-3.6.8-18.el7.ppc64le.rpm
python3-idle-3.6.8-18.el7.ppc64le.rpm
python3-test-3.6.8-18.el7.ppc64le.rpm
python3-tkinter-3.6.8-18.el7.ppc64le.rpm

s390x:
python3-3.6.8-18.el7.s390.rpm
python3-debug-3.6.8-18.el7.s390.rpm
python3-debug-3.6.8-18.el7.s390x.rpm
python3-debuginfo-3.6.8-18.el7.s390.rpm
python3-debuginfo-3.6.8-18.el7.s390x.rpm
python3-devel-3.6.8-18.el7.s390.rpm
python3-devel-3.6.8-18.el7.s390x.rpm
python3-idle-3.6.8-18.el7.s390.rpm
python3-idle-3.6.8-18.el7.s390x.rpm
python3-test-3.6.8-18.el7.s390.rpm
python3-test-3.6.8-18.el7.s390x.rpm
python3-tkinter-3.6.8-18.el7.s390.rpm
python3-tkinter-3.6.8-18.el7.s390x.rpm

x86_64:
python3-3.6.8-18.el7.i686.rpm
python3-debug-3.6.8-18.el7.i686.rpm
python3-debug-3.6.8-18.el7.x86_64.rpm
python3-debuginfo-3.6.8-18.el7.i686.rpm
python3-debuginfo-3.6.8-18.el7.x86_64.rpm
python3-devel-3.6.8-18.el7.i686.rpm
python3-devel-3.6.8-18.el7.x86_64.rpm
python3-idle-3.6.8-18.el7.i686.rpm
python3-idle-3.6.8-18.el7.x86_64.rpm
python3-test-3.6.8-18.el7.i686.rpm
python3-test-3.6.8-18.el7.x86_64.rpm
python3-tkinter-3.6.8-18.el7.i686.rpm
python3-tkinter-3.6.8-18.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
python3-3.6.8-18.el7.src.rpm

x86_64:
python3-3.6.8-18.el7.x86_64.rpm
python3-debuginfo-3.6.8-18.el7.i686.rpm
python3-debuginfo-3.6.8-18.el7.x86_64.rpm
python3-libs-3.6.8-18.el7.i686.rpm
python3-libs-3.6.8-18.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

x86_64:
python3-3.6.8-18.el7.i686.rpm
python3-debug-3.6.8-18.el7.i686.rpm
python3-debug-3.6.8-18.el7.x86_64.rpm
python3-debuginfo-3.6.8-18.el7.i686.rpm
python3-debuginfo-3.6.8-18.el7.x86_64.rpm
python3-devel-3.6.8-18.el7.i686.rpm
python3-devel-3.6.8-18.el7.x86_64.rpm
python3-idle-3.6.8-18.el7.i686.rpm
python3-idle-3.6.8-18.el7.x86_64.rpm
python3-test-3.6.8-18.el7.i686.rpm
python3-test-3.6.8-18.el7.x86_64.rpm
python3-tkinter-3.6.8-18.el7.i686.rpm
python3-tkinter-3.6.8-18.el7.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2019-20907
https://access.redhat.com/security/cve/CVE-2020-14422
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2020 Red Hat, Inc.
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