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AUSCERT External Security Bulletin Redistribution
ESB-2021.0568
python security update
17 February 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: python
Publisher: Red Hat
Operating System: Red Hat
Impact/Access: Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2019-20907
Reference: ESB-2021.0234
ESB-2021.0099
ESB-2021.0013
ESB-2020.4513
Original Bulletin:
https://access.redhat.com/errata/RHSA-2021:0528
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Red Hat Security Advisory
Synopsis: Moderate: python security update
Advisory ID: RHSA-2021:0528-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:0528
Issue date: 2021-02-16
CVE Names: CVE-2019-20907
=====================================================================
1. Summary:
An update for python is now available for Red Hat Enterprise Linux 7.7
Extended Update Support.
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 ComputeNode EUS (v. 7.7) - x86_64
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7) - x86_64
Red Hat Enterprise Linux Server EUS (v. 7.7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional EUS (v. 7.7) - ppc64, ppc64le, s390x, x86_64
3. Description:
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: infinite loop in the tarfile module via crafted TAR archive
(CVE-2019-20907)
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/):
1856481 - CVE-2019-20907 python: infinite loop in the tarfile module via crafted TAR archive
6. Package List:
Red Hat Enterprise Linux ComputeNode EUS (v. 7.7):
Source:
python-2.7.5-88.el7_7.src.rpm
x86_64:
python-2.7.5-88.el7_7.x86_64.rpm
python-debuginfo-2.7.5-88.el7_7.i686.rpm
python-debuginfo-2.7.5-88.el7_7.x86_64.rpm
python-devel-2.7.5-88.el7_7.x86_64.rpm
python-libs-2.7.5-88.el7_7.i686.rpm
python-libs-2.7.5-88.el7_7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7):
x86_64:
python-debug-2.7.5-88.el7_7.x86_64.rpm
python-debuginfo-2.7.5-88.el7_7.x86_64.rpm
python-test-2.7.5-88.el7_7.x86_64.rpm
python-tools-2.7.5-88.el7_7.x86_64.rpm
tkinter-2.7.5-88.el7_7.x86_64.rpm
Red Hat Enterprise Linux Server EUS (v. 7.7):
Source:
python-2.7.5-88.el7_7.src.rpm
ppc64:
python-2.7.5-88.el7_7.ppc64.rpm
python-debuginfo-2.7.5-88.el7_7.ppc.rpm
python-debuginfo-2.7.5-88.el7_7.ppc64.rpm
python-devel-2.7.5-88.el7_7.ppc64.rpm
python-libs-2.7.5-88.el7_7.ppc.rpm
python-libs-2.7.5-88.el7_7.ppc64.rpm
ppc64le:
python-2.7.5-88.el7_7.ppc64le.rpm
python-debuginfo-2.7.5-88.el7_7.ppc64le.rpm
python-devel-2.7.5-88.el7_7.ppc64le.rpm
python-libs-2.7.5-88.el7_7.ppc64le.rpm
s390x:
python-2.7.5-88.el7_7.s390x.rpm
python-debuginfo-2.7.5-88.el7_7.s390.rpm
python-debuginfo-2.7.5-88.el7_7.s390x.rpm
python-devel-2.7.5-88.el7_7.s390x.rpm
python-libs-2.7.5-88.el7_7.s390.rpm
python-libs-2.7.5-88.el7_7.s390x.rpm
x86_64:
python-2.7.5-88.el7_7.x86_64.rpm
python-debuginfo-2.7.5-88.el7_7.i686.rpm
python-debuginfo-2.7.5-88.el7_7.x86_64.rpm
python-devel-2.7.5-88.el7_7.x86_64.rpm
python-libs-2.7.5-88.el7_7.i686.rpm
python-libs-2.7.5-88.el7_7.x86_64.rpm
Red Hat Enterprise Linux Server Optional EUS (v. 7.7):
ppc64:
python-debug-2.7.5-88.el7_7.ppc64.rpm
python-debuginfo-2.7.5-88.el7_7.ppc64.rpm
python-test-2.7.5-88.el7_7.ppc64.rpm
python-tools-2.7.5-88.el7_7.ppc64.rpm
tkinter-2.7.5-88.el7_7.ppc64.rpm
ppc64le:
python-debug-2.7.5-88.el7_7.ppc64le.rpm
python-debuginfo-2.7.5-88.el7_7.ppc64le.rpm
python-test-2.7.5-88.el7_7.ppc64le.rpm
python-tools-2.7.5-88.el7_7.ppc64le.rpm
tkinter-2.7.5-88.el7_7.ppc64le.rpm
s390x:
python-debug-2.7.5-88.el7_7.s390x.rpm
python-debuginfo-2.7.5-88.el7_7.s390x.rpm
python-test-2.7.5-88.el7_7.s390x.rpm
python-tools-2.7.5-88.el7_7.s390x.rpm
tkinter-2.7.5-88.el7_7.s390x.rpm
x86_64:
python-debug-2.7.5-88.el7_7.x86_64.rpm
python-debuginfo-2.7.5-88.el7_7.x86_64.rpm
python-test-2.7.5-88.el7_7.x86_64.rpm
python-tools-2.7.5-88.el7_7.x86_64.rpm
tkinter-2.7.5-88.el7_7.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/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 2021 Red Hat, Inc.
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