Sigurnosni nedostaci programskog paketa python

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by - 30. listopada 2018.0

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Red Hat Security Advisory

Synopsis: Moderate: python security and bug fix update
Advisory ID: RHSA-2018:3041-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2018:3041
Issue date: 2018-10-30
CVE Names: CVE-2018-1060 CVE-2018-1061
=====================================================================

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
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) – aarch64, ppc64le, s390x
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) – aarch64, ppc64le, s390x

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: DOS via regular expression backtracking in difflib.IS_LINE_JUNK
method in difflib (CVE-2018-1061)

* python: DOS via regular expression catastrophic backtracking in apop()
method in pop3lib (CVE-2018-1060)

For more details about the security issue(s), including the impact, a CVSS
score, and other related information, refer to the CVE page(s) listed in
the References section.

Red Hat would like to thank the Python security response team for reporting
these issues.

Additional Changes:

For detailed information on changes in this release, see the Red Hat
Enterprise Linux 7.6 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/):

1549191 – CVE-2018-1060 python: DOS via regular expression catastrophic backtracking in apop() method in pop3lib
1549192 – CVE-2018-1061 python: DOS via regular expression backtracking in difflib.IS_LINE_JUNK method in difflib
1555314 – Don’t send IP address as SNI TLS extension
1557460 – python-libs package dosn’t provide python2-libs
1579432 – OSError 17 due to _multiprocessing/semaphore.c assuming a one-to-one Pid -> process mapping.

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
python-2.7.5-76.el7.src.rpm

x86_64:
python-2.7.5-76.el7.x86_64.rpm
python-debuginfo-2.7.5-76.el7.i686.rpm
python-debuginfo-2.7.5-76.el7.x86_64.rpm
python-libs-2.7.5-76.el7.i686.rpm
python-libs-2.7.5-76.el7.x86_64.rpm

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

x86_64:
python-debug-2.7.5-76.el7.x86_64.rpm
python-debuginfo-2.7.5-76.el7.x86_64.rpm
python-devel-2.7.5-76.el7.x86_64.rpm
python-test-2.7.5-76.el7.x86_64.rpm
python-tools-2.7.5-76.el7.x86_64.rpm
tkinter-2.7.5-76.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
python-2.7.5-76.el7.src.rpm

x86_64:
python-2.7.5-76.el7.x86_64.rpm
python-debuginfo-2.7.5-76.el7.i686.rpm
python-debuginfo-2.7.5-76.el7.x86_64.rpm
python-devel-2.7.5-76.el7.x86_64.rpm
python-libs-2.7.5-76.el7.i686.rpm
python-libs-2.7.5-76.el7.x86_64.rpm

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

x86_64:
python-debug-2.7.5-76.el7.x86_64.rpm
python-debuginfo-2.7.5-76.el7.x86_64.rpm
python-test-2.7.5-76.el7.x86_64.rpm
python-tools-2.7.5-76.el7.x86_64.rpm
tkinter-2.7.5-76.el7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
python-2.7.5-76.el7.src.rpm

ppc64:
python-2.7.5-76.el7.ppc64.rpm
python-debuginfo-2.7.5-76.el7.ppc.rpm
python-debuginfo-2.7.5-76.el7.ppc64.rpm
python-devel-2.7.5-76.el7.ppc64.rpm
python-libs-2.7.5-76.el7.ppc.rpm
python-libs-2.7.5-76.el7.ppc64.rpm

ppc64le:
python-2.7.5-76.el7.ppc64le.rpm
python-debuginfo-2.7.5-76.el7.ppc64le.rpm
python-devel-2.7.5-76.el7.ppc64le.rpm
python-libs-2.7.5-76.el7.ppc64le.rpm

s390x:
python-2.7.5-76.el7.s390x.rpm
python-debuginfo-2.7.5-76.el7.s390.rpm
python-debuginfo-2.7.5-76.el7.s390x.rpm
python-devel-2.7.5-76.el7.s390x.rpm
python-libs-2.7.5-76.el7.s390.rpm
python-libs-2.7.5-76.el7.s390x.rpm

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):

Source:
python-2.7.5-76.el7.src.rpm

aarch64:
python-2.7.5-76.el7.aarch64.rpm
python-debuginfo-2.7.5-76.el7.aarch64.rpm
python-devel-2.7.5-76.el7.aarch64.rpm
python-libs-2.7.5-76.el7.aarch64.rpm

ppc64le:
python-2.7.5-76.el7.ppc64le.rpm
python-debuginfo-2.7.5-76.el7.ppc64le.rpm
python-devel-2.7.5-76.el7.ppc64le.rpm
python-libs-2.7.5-76.el7.ppc64le.rpm

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7):

aarch64:
python-debug-2.7.5-76.el7.aarch64.rpm
python-debuginfo-2.7.5-76.el7.aarch64.rpm
python-test-2.7.5-76.el7.aarch64.rpm
python-tools-2.7.5-76.el7.aarch64.rpm
tkinter-2.7.5-76.el7.aarch64.rpm

ppc64le:
python-debug-2.7.5-76.el7.ppc64le.rpm
python-debuginfo-2.7.5-76.el7.ppc64le.rpm
python-test-2.7.5-76.el7.ppc64le.rpm
python-tools-2.7.5-76.el7.ppc64le.rpm
tkinter-2.7.5-76.el7.ppc64le.rpm

s390x:
python-debug-2.7.5-76.el7.s390x.rpm
python-debuginfo-2.7.5-76.el7.s390x.rpm
python-test-2.7.5-76.el7.s390x.rpm
python-tools-2.7.5-76.el7.s390x.rpm
tkinter-2.7.5-76.el7.s390x.rpm

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

ppc64:
python-debug-2.7.5-76.el7.ppc64.rpm
python-debuginfo-2.7.5-76.el7.ppc64.rpm
python-test-2.7.5-76.el7.ppc64.rpm
python-tools-2.7.5-76.el7.ppc64.rpm
tkinter-2.7.5-76.el7.ppc64.rpm

ppc64le:
python-debug-2.7.5-76.el7.ppc64le.rpm
python-debuginfo-2.7.5-76.el7.ppc64le.rpm
python-test-2.7.5-76.el7.ppc64le.rpm
python-tools-2.7.5-76.el7.ppc64le.rpm
tkinter-2.7.5-76.el7.ppc64le.rpm

s390x:
python-debug-2.7.5-76.el7.s390x.rpm
python-debuginfo-2.7.5-76.el7.s390x.rpm
python-test-2.7.5-76.el7.s390x.rpm
python-tools-2.7.5-76.el7.s390x.rpm
tkinter-2.7.5-76.el7.s390x.rpm

x86_64:
python-debug-2.7.5-76.el7.x86_64.rpm
python-debuginfo-2.7.5-76.el7.x86_64.rpm
python-test-2.7.5-76.el7.x86_64.rpm
python-tools-2.7.5-76.el7.x86_64.rpm
tkinter-2.7.5-76.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
python-2.7.5-76.el7.src.rpm

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

x86_64:
python-debug-2.7.5-76.el7.x86_64.rpm
python-debuginfo-2.7.5-76.el7.x86_64.rpm
python-test-2.7.5-76.el7.x86_64.rpm
python-tools-2.7.5-76.el7.x86_64.rpm
tkinter-2.7.5-76.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-2018-1060
https://access.redhat.com/security/cve/CVE-2018-1061
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.6_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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