Sigurnosni nedostaci programskog paketa python

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by - 7. kolovoza 2019.0

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Red Hat Security Advisory

Synopsis: Moderate: python security and bug fix update
Advisory ID: RHSA-2019:2030-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:2030
Issue date: 2019-08-06
CVE Names: CVE-2018-14647 CVE-2019-5010 CVE-2019-9740
CVE-2019-9947 CVE-2019-9948
=====================================================================

1. Summary:

An update for python 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 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: Missing salt initialization in _elementtree.c module
(CVE-2018-14647)

* 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 7.7 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/):

1629982 – Python can sometimes create incorrect .pyc files
1631822 – CVE-2018-14647 python: Missing salt initialization in _elementtree.c module
1666519 – CVE-2019-5010 python: NULL pointer dereference using a specially crafted X509 certificate
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()
1703600 – python2-devel can’t be installed during RHEL 7 to 8 upgrade due to incorrect Obsoletes

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
python-2.7.5-86.el7.src.rpm

x86_64:
python-2.7.5-86.el7.x86_64.rpm
python-debuginfo-2.7.5-86.el7.i686.rpm
python-debuginfo-2.7.5-86.el7.x86_64.rpm
python-libs-2.7.5-86.el7.i686.rpm
python-libs-2.7.5-86.el7.x86_64.rpm

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

x86_64:
python-debug-2.7.5-86.el7.x86_64.rpm
python-debuginfo-2.7.5-86.el7.x86_64.rpm
python-devel-2.7.5-86.el7.x86_64.rpm
python-test-2.7.5-86.el7.x86_64.rpm
python-tools-2.7.5-86.el7.x86_64.rpm
tkinter-2.7.5-86.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
python-2.7.5-86.el7.src.rpm

x86_64:
python-2.7.5-86.el7.x86_64.rpm
python-debuginfo-2.7.5-86.el7.i686.rpm
python-debuginfo-2.7.5-86.el7.x86_64.rpm
python-devel-2.7.5-86.el7.x86_64.rpm
python-libs-2.7.5-86.el7.i686.rpm
python-libs-2.7.5-86.el7.x86_64.rpm

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

x86_64:
python-debug-2.7.5-86.el7.x86_64.rpm
python-debuginfo-2.7.5-86.el7.x86_64.rpm
python-test-2.7.5-86.el7.x86_64.rpm
python-tools-2.7.5-86.el7.x86_64.rpm
tkinter-2.7.5-86.el7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
python-2.7.5-86.el7.src.rpm

ppc64:
python-2.7.5-86.el7.ppc64.rpm
python-debuginfo-2.7.5-86.el7.ppc.rpm
python-debuginfo-2.7.5-86.el7.ppc64.rpm
python-devel-2.7.5-86.el7.ppc64.rpm
python-libs-2.7.5-86.el7.ppc.rpm
python-libs-2.7.5-86.el7.ppc64.rpm

ppc64le:
python-2.7.5-86.el7.ppc64le.rpm
python-debuginfo-2.7.5-86.el7.ppc64le.rpm
python-devel-2.7.5-86.el7.ppc64le.rpm
python-libs-2.7.5-86.el7.ppc64le.rpm

s390x:
python-2.7.5-86.el7.s390x.rpm
python-debuginfo-2.7.5-86.el7.s390.rpm
python-debuginfo-2.7.5-86.el7.s390x.rpm
python-devel-2.7.5-86.el7.s390x.rpm
python-libs-2.7.5-86.el7.s390.rpm
python-libs-2.7.5-86.el7.s390x.rpm

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

ppc64:
python-debug-2.7.5-86.el7.ppc64.rpm
python-debuginfo-2.7.5-86.el7.ppc64.rpm
python-test-2.7.5-86.el7.ppc64.rpm
python-tools-2.7.5-86.el7.ppc64.rpm
tkinter-2.7.5-86.el7.ppc64.rpm

ppc64le:
python-debug-2.7.5-86.el7.ppc64le.rpm
python-debuginfo-2.7.5-86.el7.ppc64le.rpm
python-test-2.7.5-86.el7.ppc64le.rpm
python-tools-2.7.5-86.el7.ppc64le.rpm
tkinter-2.7.5-86.el7.ppc64le.rpm

s390x:
python-debug-2.7.5-86.el7.s390x.rpm
python-debuginfo-2.7.5-86.el7.s390x.rpm
python-test-2.7.5-86.el7.s390x.rpm
python-tools-2.7.5-86.el7.s390x.rpm
tkinter-2.7.5-86.el7.s390x.rpm

x86_64:
python-debug-2.7.5-86.el7.x86_64.rpm
python-debuginfo-2.7.5-86.el7.x86_64.rpm
python-test-2.7.5-86.el7.x86_64.rpm
python-tools-2.7.5-86.el7.x86_64.rpm
tkinter-2.7.5-86.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
python-2.7.5-86.el7.src.rpm

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

x86_64:
python-debug-2.7.5-86.el7.x86_64.rpm
python-debuginfo-2.7.5-86.el7.x86_64.rpm
python-test-2.7.5-86.el7.x86_64.rpm
python-tools-2.7.5-86.el7.x86_64.rpm
tkinter-2.7.5-86.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-2018-14647
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/7/html/7.7_release_notes/index

8. Contact:

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

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