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Red Hat Enterprise Linux 8: RHSA-2019-3520-01 Python3 Security Update

red hat
Calendar Grey November 5, 2019
Dist Redhat Esm H88
Red Hat's latest python3 revision addresses vulnerabilities with essential patches and thorough insights on implications and software usage.
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

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, 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.

Topics%20covered

Topics Covered

security advisory moderate Red Hat bug fix DoS remote execution python3

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/

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

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

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

Topic

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.

Topics%20covered

Topics Covered

security advisory moderate Red Hat bug fix DoS remote execution python3

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

Bugs Fixed

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

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