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

Synopsis:          Moderate: python3 security and bug fix update
Advisory ID:       RHSA-2019:3520-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2019:3520
Issue date:        2019-11-05
CVE Names:         CVE-2019-5010 CVE-2019-9740 CVE-2019-9947 
                   CVE-2019-9948 
=====================================================================

1. Summary:

An update for python3 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, ppc64le, s390x, x86_64
Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, 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: NULL pointer dereference using a specially crafted X509
certificate (CVE-2019-5010)

* 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)

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.

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/):

1634784 - python3 hard-codes annobin usage
1639531 - test_ssl fails on ppc64le
1665514 - python3: RPMDiff warning - manpage with .gz suffix is not really gzipped
1666519 - CVE-2019-5010 python: NULL pointer dereference using a specially crafted X509 certificate
1671353 - http.client doesn't support Post-Handshake Authentication (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()
1701286 - Use RPM built wheels of setuptools and pip in Python's ensurepip
1725721 - SSLContext.post_handshake_auth implicitly enables cert validation
1731424 - hmac.HMAC() is not FIPS compliant
1744670 - hashlib.md5 broken in FIPS mode without workaround available
1745499 - mod_wsgi: hashlib.get_fips_mode() fails with ValueError: [PEM routines: get_name] no start line
1745685 - Make hashlib.get_fips_mode() a private function
1760106 - FAIL_RETURN_IN_FIPS_MODE() patch breaks mod_wsgi: ValueError: unsupported hash type blake2b

6. Package List:

Red Hat Enterprise Linux AppStream (v. 8):

aarch64:
platform-python-debug-3.6.8-15.1.el8.aarch64.rpm
platform-python-devel-3.6.8-15.1.el8.aarch64.rpm
python3-debuginfo-3.6.8-15.1.el8.aarch64.rpm
python3-debugsource-3.6.8-15.1.el8.aarch64.rpm
python3-idle-3.6.8-15.1.el8.aarch64.rpm
python3-tkinter-3.6.8-15.1.el8.aarch64.rpm

ppc64le:
platform-python-debug-3.6.8-15.1.el8.ppc64le.rpm
platform-python-devel-3.6.8-15.1.el8.ppc64le.rpm
python3-debuginfo-3.6.8-15.1.el8.ppc64le.rpm
python3-debugsource-3.6.8-15.1.el8.ppc64le.rpm
python3-idle-3.6.8-15.1.el8.ppc64le.rpm
python3-tkinter-3.6.8-15.1.el8.ppc64le.rpm

s390x:
platform-python-debug-3.6.8-15.1.el8.s390x.rpm
platform-python-devel-3.6.8-15.1.el8.s390x.rpm
python3-debuginfo-3.6.8-15.1.el8.s390x.rpm
python3-debugsource-3.6.8-15.1.el8.s390x.rpm
python3-idle-3.6.8-15.1.el8.s390x.rpm
python3-tkinter-3.6.8-15.1.el8.s390x.rpm

x86_64:
platform-python-3.6.8-15.1.el8.i686.rpm
platform-python-debug-3.6.8-15.1.el8.i686.rpm
platform-python-debug-3.6.8-15.1.el8.x86_64.rpm
platform-python-devel-3.6.8-15.1.el8.i686.rpm
platform-python-devel-3.6.8-15.1.el8.x86_64.rpm
python3-debuginfo-3.6.8-15.1.el8.i686.rpm
python3-debuginfo-3.6.8-15.1.el8.x86_64.rpm
python3-debugsource-3.6.8-15.1.el8.i686.rpm
python3-debugsource-3.6.8-15.1.el8.x86_64.rpm
python3-idle-3.6.8-15.1.el8.i686.rpm
python3-idle-3.6.8-15.1.el8.x86_64.rpm
python3-test-3.6.8-15.1.el8.i686.rpm
python3-tkinter-3.6.8-15.1.el8.i686.rpm
python3-tkinter-3.6.8-15.1.el8.x86_64.rpm

Red Hat Enterprise Linux BaseOS (v. 8):

Source:
python3-3.6.8-15.1.el8.src.rpm

aarch64:
platform-python-3.6.8-15.1.el8.aarch64.rpm
python3-debuginfo-3.6.8-15.1.el8.aarch64.rpm
python3-debugsource-3.6.8-15.1.el8.aarch64.rpm
python3-libs-3.6.8-15.1.el8.aarch64.rpm
python3-test-3.6.8-15.1.el8.aarch64.rpm

ppc64le:
platform-python-3.6.8-15.1.el8.ppc64le.rpm
python3-debuginfo-3.6.8-15.1.el8.ppc64le.rpm
python3-debugsource-3.6.8-15.1.el8.ppc64le.rpm
python3-libs-3.6.8-15.1.el8.ppc64le.rpm
python3-test-3.6.8-15.1.el8.ppc64le.rpm

s390x:
platform-python-3.6.8-15.1.el8.s390x.rpm
python3-debuginfo-3.6.8-15.1.el8.s390x.rpm
python3-debugsource-3.6.8-15.1.el8.s390x.rpm
python3-libs-3.6.8-15.1.el8.s390x.rpm
python3-test-3.6.8-15.1.el8.s390x.rpm

x86_64:
platform-python-3.6.8-15.1.el8.x86_64.rpm
python3-debuginfo-3.6.8-15.1.el8.i686.rpm
python3-debuginfo-3.6.8-15.1.el8.x86_64.rpm
python3-debugsource-3.6.8-15.1.el8.i686.rpm
python3-debugsource-3.6.8-15.1.el8.x86_64.rpm
python3-libs-3.6.8-15.1.el8.i686.rpm
python3-libs-3.6.8-15.1.el8.x86_64.rpm
python3-test-3.6.8-15.1.el8.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-2019-5010
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/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.1_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 2019 Red Hat, Inc.
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