Operating System:

[RedHat]

Published:

10 November 2021

Protect yourself against future threats.

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2021.3786
                 python36:3.6 security and bug fix update
                             10 November 2021

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           python36:3.6
Publisher:         Red Hat
Operating System:  Red Hat
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-27291 CVE-2021-20270 

Reference:         ESB-2021.3515.2
                   ESB-2021.2902
                   ESB-2021.1560.2
                   ESB-2021.1554

Original Bulletin: 
   https://access.redhat.com/errata/RHSA-2021:4150

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

Synopsis:          Moderate: python36:3.6 security and bug fix update
Advisory ID:       RHSA-2021:4150-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:4150
Issue date:        2021-11-09
CVE Names:         CVE-2021-20270 CVE-2021-27291 
=====================================================================

1. Summary:

An update for the python36:3.6 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.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, noarch, 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-pygments: Infinite loop in SML lexer may lead to DoS
(CVE-2021-20270)

* python-pygments: ReDoS in multiple lexers (CVE-2021-27291)

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 8.5 Release Notes linked from 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/):

1917971 - RFE: virtualenv to prefer wheels from /usr/share/pythonXY-wheels when creating environment for Python X.Y
1922136 - CVE-2021-20270 python-pygments: Infinite loop in SML lexer may lead to DoS
1934199 - python3-scipy package provides scipy.test() that fails with exceptions
1940603 - CVE-2021-27291 python-pygments: ReDoS in multiple lexers

6. Package List:

Red Hat Enterprise Linux AppStream (v. 8):

Source:
python-PyMySQL-0.10.1-2.module+el8.4.0+9657+a4b6a102.src.rpm
python-distro-1.4.0-2.module+el8.1.0+3334+5cb623d7.src.rpm
python-docs-3.6.7-2.module+el8.1.0+3334+5cb623d7.src.rpm
python-docutils-0.14-12.module+el8.1.0+3334+5cb623d7.src.rpm
python-nose-1.3.7-31.module+el8.5.0+12207+5c5719bc.src.rpm
python-pygments-2.2.0-22.module+el8.5.0+10789+e4939b94.src.rpm
python-pymongo-3.7.0-1.module+el8.4.0+9670+1849b5f9.src.rpm
python-sqlalchemy-1.3.2-2.module+el8.3.0+6646+6b4b10ec.src.rpm
python-virtualenv-15.1.0-21.module+el8.5.0+12207+5c5719bc.src.rpm
python-wheel-0.31.1-3.module+el8.5.0+12207+5c5719bc.src.rpm
python36-3.6.8-38.module+el8.5.0+12207+5c5719bc.src.rpm
scipy-1.0.0-21.module+el8.5.0+10916+41bd434d.src.rpm

aarch64:
python-pymongo-debuginfo-3.7.0-1.module+el8.4.0+9670+1849b5f9.aarch64.rpm
python-pymongo-debugsource-3.7.0-1.module+el8.4.0+9670+1849b5f9.aarch64.rpm
python3-bson-3.7.0-1.module+el8.4.0+9670+1849b5f9.aarch64.rpm
python3-bson-debuginfo-3.7.0-1.module+el8.4.0+9670+1849b5f9.aarch64.rpm
python3-pymongo-3.7.0-1.module+el8.4.0+9670+1849b5f9.aarch64.rpm
python3-pymongo-debuginfo-3.7.0-1.module+el8.4.0+9670+1849b5f9.aarch64.rpm
python3-pymongo-gridfs-3.7.0-1.module+el8.4.0+9670+1849b5f9.aarch64.rpm
python3-scipy-1.0.0-21.module+el8.5.0+10916+41bd434d.aarch64.rpm
python3-scipy-debuginfo-1.0.0-21.module+el8.5.0+10916+41bd434d.aarch64.rpm
python3-sqlalchemy-1.3.2-2.module+el8.3.0+6646+6b4b10ec.aarch64.rpm
python36-3.6.8-38.module+el8.5.0+12207+5c5719bc.aarch64.rpm
python36-debug-3.6.8-38.module+el8.5.0+12207+5c5719bc.aarch64.rpm
python36-devel-3.6.8-38.module+el8.5.0+12207+5c5719bc.aarch64.rpm
scipy-debugsource-1.0.0-21.module+el8.5.0+10916+41bd434d.aarch64.rpm

noarch:
python-nose-docs-1.3.7-31.module+el8.5.0+12207+5c5719bc.noarch.rpm
python-pymongo-doc-3.7.0-1.module+el8.4.0+9670+1849b5f9.noarch.rpm
python-sqlalchemy-doc-1.3.2-2.module+el8.3.0+6646+6b4b10ec.noarch.rpm
python-virtualenv-doc-15.1.0-21.module+el8.5.0+12207+5c5719bc.noarch.rpm
python3-PyMySQL-0.10.1-2.module+el8.4.0+9657+a4b6a102.noarch.rpm
python3-distro-1.4.0-2.module+el8.1.0+3334+5cb623d7.noarch.rpm
python3-docs-3.6.7-2.module+el8.1.0+3334+5cb623d7.noarch.rpm
python3-docutils-0.14-12.module+el8.1.0+3334+5cb623d7.noarch.rpm
python3-nose-1.3.7-31.module+el8.5.0+12207+5c5719bc.noarch.rpm
python3-pygments-2.2.0-22.module+el8.5.0+10789+e4939b94.noarch.rpm
python3-virtualenv-15.1.0-21.module+el8.5.0+12207+5c5719bc.noarch.rpm
python3-wheel-0.31.1-3.module+el8.5.0+12207+5c5719bc.noarch.rpm
python3-wheel-wheel-0.31.1-3.module+el8.5.0+12207+5c5719bc.noarch.rpm
python36-rpm-macros-3.6.8-38.module+el8.5.0+12207+5c5719bc.noarch.rpm

ppc64le:
python-pymongo-debuginfo-3.7.0-1.module+el8.4.0+9670+1849b5f9.ppc64le.rpm
python-pymongo-debugsource-3.7.0-1.module+el8.4.0+9670+1849b5f9.ppc64le.rpm
python3-bson-3.7.0-1.module+el8.4.0+9670+1849b5f9.ppc64le.rpm
python3-bson-debuginfo-3.7.0-1.module+el8.4.0+9670+1849b5f9.ppc64le.rpm
python3-pymongo-3.7.0-1.module+el8.4.0+9670+1849b5f9.ppc64le.rpm
python3-pymongo-debuginfo-3.7.0-1.module+el8.4.0+9670+1849b5f9.ppc64le.rpm
python3-pymongo-gridfs-3.7.0-1.module+el8.4.0+9670+1849b5f9.ppc64le.rpm
python3-scipy-1.0.0-21.module+el8.5.0+10916+41bd434d.ppc64le.rpm
python3-scipy-debuginfo-1.0.0-21.module+el8.5.0+10916+41bd434d.ppc64le.rpm
python3-sqlalchemy-1.3.2-2.module+el8.3.0+6646+6b4b10ec.ppc64le.rpm
python36-3.6.8-38.module+el8.5.0+12207+5c5719bc.ppc64le.rpm
python36-debug-3.6.8-38.module+el8.5.0+12207+5c5719bc.ppc64le.rpm
python36-devel-3.6.8-38.module+el8.5.0+12207+5c5719bc.ppc64le.rpm
scipy-debugsource-1.0.0-21.module+el8.5.0+10916+41bd434d.ppc64le.rpm

s390x:
python-pymongo-debuginfo-3.7.0-1.module+el8.4.0+9670+1849b5f9.s390x.rpm
python-pymongo-debugsource-3.7.0-1.module+el8.4.0+9670+1849b5f9.s390x.rpm
python3-bson-3.7.0-1.module+el8.4.0+9670+1849b5f9.s390x.rpm
python3-bson-debuginfo-3.7.0-1.module+el8.4.0+9670+1849b5f9.s390x.rpm
python3-pymongo-3.7.0-1.module+el8.4.0+9670+1849b5f9.s390x.rpm
python3-pymongo-debuginfo-3.7.0-1.module+el8.4.0+9670+1849b5f9.s390x.rpm
python3-pymongo-gridfs-3.7.0-1.module+el8.4.0+9670+1849b5f9.s390x.rpm
python3-scipy-1.0.0-21.module+el8.5.0+10916+41bd434d.s390x.rpm
python3-scipy-debuginfo-1.0.0-21.module+el8.5.0+10916+41bd434d.s390x.rpm
python3-sqlalchemy-1.3.2-2.module+el8.3.0+6646+6b4b10ec.s390x.rpm
python36-3.6.8-38.module+el8.5.0+12207+5c5719bc.s390x.rpm
python36-debug-3.6.8-38.module+el8.5.0+12207+5c5719bc.s390x.rpm
python36-devel-3.6.8-38.module+el8.5.0+12207+5c5719bc.s390x.rpm
scipy-debugsource-1.0.0-21.module+el8.5.0+10916+41bd434d.s390x.rpm

x86_64:
python-pymongo-debuginfo-3.7.0-1.module+el8.4.0+9670+1849b5f9.x86_64.rpm
python-pymongo-debugsource-3.7.0-1.module+el8.4.0+9670+1849b5f9.x86_64.rpm
python3-bson-3.7.0-1.module+el8.4.0+9670+1849b5f9.x86_64.rpm
python3-bson-debuginfo-3.7.0-1.module+el8.4.0+9670+1849b5f9.x86_64.rpm
python3-pymongo-3.7.0-1.module+el8.4.0+9670+1849b5f9.x86_64.rpm
python3-pymongo-debuginfo-3.7.0-1.module+el8.4.0+9670+1849b5f9.x86_64.rpm
python3-pymongo-gridfs-3.7.0-1.module+el8.4.0+9670+1849b5f9.x86_64.rpm
python3-scipy-1.0.0-21.module+el8.5.0+10916+41bd434d.x86_64.rpm
python3-scipy-debuginfo-1.0.0-21.module+el8.5.0+10916+41bd434d.x86_64.rpm
python3-sqlalchemy-1.3.2-2.module+el8.3.0+6646+6b4b10ec.x86_64.rpm
python36-3.6.8-38.module+el8.5.0+12207+5c5719bc.x86_64.rpm
python36-debug-3.6.8-38.module+el8.5.0+12207+5c5719bc.x86_64.rpm
python36-devel-3.6.8-38.module+el8.5.0+12207+5c5719bc.x86_64.rpm
scipy-debugsource-1.0.0-21.module+el8.5.0+10916+41bd434d.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-2021-20270
https://access.redhat.com/security/cve/CVE-2021-27291
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.5_release_notes/

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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