Ranjivosti programskog paketa python27

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Red Hat Security Advisory

Synopsis: Moderate: python27 security, bug fix, and enhancement update
Advisory ID: RHSA-2016:1166-01
Product: Red Hat Software Collections
Advisory URL: https://access.redhat.com/errata/RHSA-2016:1166
Issue date: 2016-05-31
CVE Names: CVE-2013-2099 CVE-2013-7440
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1. Summary:

Updated python27 packages are now available as a part of Red Hat Software
Collections 2.2 for Red Hat Enterprise Linux.

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 Software Collections for Red Hat Enterprise Linux Server (v. 6) – noarch, x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) – noarch, x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.6) – noarch, x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.7) – noarch, x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.1) – noarch, x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.2) – noarch, x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) – noarch, x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) – noarch, x86_64

3. Description:

Python is an interpreted, interactive, object-oriented programming language
that supports modules, classes, exceptions, high-level dynamic data types,
and dynamic typing. The python27 packages provide a stable release of
Python 2.7 with a number of additional utilities and database connectors
for MySQL and PostgreSQL.

Security Fix(es):

The following fix was applied to the python component:

* The Python standard library HTTP client modules (such as httplib or
urllib) did not perform verification of TLS/SSL certificates when
connecting to HTTPS servers. A man-in-the-middle attacker could use this
flaw to hijack connections and eavesdrop or modify transferred data.
(CVE-2014-9365)

Note: The Python standard library was updated to make it possible to enable
certificate verification by default. However, for backwards compatibility,
verification remains disabled by default. Future updates may change this
default. Refer to the Knowledgebase article 2039753 linked to in the
References section for further details about this change. (BZ#1311044,
BZ#1319774)

The following fix was applied to the python-pymongo component:

* A denial of service flaw was found in the way Python’s SSL module
implementation performed matching of certain certificate names. A remote
attacker able to obtain a valid certificate that contained multiple
wildcard characters could use this flaw to issue a request to validate such
a certificate, resulting in excessive consumption of CPU. (CVE-2013-2099)

The following fix was applied to the python-pymongo and python-virtualenv
components:

* Multiple flaws were found in the way Python’s SSL module performed
matching of certificate names containing wildcards. A remote attacker able
to obtain a valid certificate that contained certain names with wildcards
could have them incorrectly accepted by Python SSL clients, not following
the RFC 6125 recommendations. (CVE-2013-7440)

The CVE-2013-2099 issue was discovered by Florian Weimer (Red Hat Product
Security).

Bug Fix(es) and Enhancement(s):

The python27 Software Collection has been updated to a later version, which
provides a number of bug fixes and enhancements over the previous version.
Among others:

* The python27-PyYAML package has been added, which contains a Python YAML
module. PyYAML is a YAML parser and emitter for Python; it is applicable
for a broad range of tasks from complex configuration files to object
serialization and persistance.

* Network security enhancements, described in the Python Enhancent Proposal
466, have been backported to the Python standard library. The security
enhancements include, for example, new features in the ssl module, such as
support for Server Name Indication (SNI) as well as support for new TLSv1.x
protocols, new hash algorithms in the hashlib module, and much more.

* The python27-python-pip package has been upgraded to version 7.1.0.

* The python27-python-virtualenv package has been upgraded to verion
13.1.0.

* The python27-python-pymongo package has been upgraded to version 3.2.1.

(BZ#1301481, BZ#1297784, BZ#1111464, BZ#1319774)

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/):

963260 – CVE-2013-2099 python: ssl.match_hostname() DoS via certificates with specially crafted hostname wildcard patterns
1173041 – CVE-2014-9365 python: failure to validate certificates in the HTTP client with TLS (PEP 476)
1224999 – CVE-2013-7440 python: wildcard matching rules do not follow RFC 6125
1266529 – Applications breaks when certain software collections are enabled
1297783 – Update python-pymongo package
1297784 – Add PyYAML package
1318319 – python-2.7.5-34 breaks hashlib (md4)
1329141 – Python installation is not 64 bit clean
1329944 – python27-PyYAML: wrong interpreter
1330041 – python27-python-docutils: wrong interpreter
1334447 – leftovers after the un-install

6. Package List:

Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6):

Source:
python27-1.1-25.el6.src.rpm
python27-PyYAML-3.10-14.el6.src.rpm
python27-numpy-1.7.1-10.el6.src.rpm
python27-python-2.7.8-16.el6.src.rpm
python27-python-docutils-0.11-2.el6.src.rpm
python27-python-pip-7.1.0-2.el6.src.rpm
python27-python-pymongo-3.2.1-1.el6.src.rpm
python27-python-virtualenv-13.1.0-1.el6.src.rpm
python27-scipy-0.12.1-3.el6.src.rpm

noarch:
python27-python-docutils-0.11-2.el6.noarch.rpm
python27-python-pip-7.1.0-2.el6.noarch.rpm
python27-python-virtualenv-13.1.0-1.el6.noarch.rpm

x86_64:
python27-1.1-25.el6.x86_64.rpm
python27-PyYAML-3.10-14.el6.x86_64.rpm
python27-PyYAML-debuginfo-3.10-14.el6.x86_64.rpm
python27-numpy-1.7.1-10.el6.x86_64.rpm
python27-numpy-debuginfo-1.7.1-10.el6.x86_64.rpm
python27-numpy-f2py-1.7.1-10.el6.x86_64.rpm
python27-python-2.7.8-16.el6.x86_64.rpm
python27-python-bson-3.2.1-1.el6.x86_64.rpm
python27-python-debug-2.7.8-16.el6.x86_64.rpm
python27-python-debuginfo-2.7.8-16.el6.x86_64.rpm
python27-python-devel-2.7.8-16.el6.x86_64.rpm
python27-python-libs-2.7.8-16.el6.x86_64.rpm
python27-python-pymongo-3.2.1-1.el6.x86_64.rpm
python27-python-pymongo-debuginfo-3.2.1-1.el6.x86_64.rpm
python27-python-pymongo-doc-3.2.1-1.el6.x86_64.rpm
python27-python-pymongo-gridfs-3.2.1-1.el6.x86_64.rpm
python27-python-test-2.7.8-16.el6.x86_64.rpm
python27-python-tools-2.7.8-16.el6.x86_64.rpm
python27-runtime-1.1-25.el6.x86_64.rpm
python27-scipy-0.12.1-3.el6.x86_64.rpm
python27-scipy-debuginfo-0.12.1-3.el6.x86_64.rpm
python27-scldevel-1.1-25.el6.x86_64.rpm
python27-tkinter-2.7.8-16.el6.x86_64.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.6):

noarch:
python27-python-docutils-0.11-2.el6.noarch.rpm
python27-python-pip-7.1.0-2.el6.noarch.rpm
python27-python-virtualenv-13.1.0-1.el6.noarch.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.7):

noarch:
python27-python-docutils-0.11-2.el6.noarch.rpm
python27-python-pip-7.1.0-2.el6.noarch.rpm
python27-python-virtualenv-13.1.0-1.el6.noarch.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6):

noarch:
python27-python-docutils-0.11-2.el6.noarch.rpm
python27-python-pip-7.1.0-2.el6.noarch.rpm
python27-python-virtualenv-13.1.0-1.el6.noarch.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7):

Source:
python27-1.1-25.el7.src.rpm
python27-PyYAML-3.10-14.el7.src.rpm
python27-numpy-1.7.1-10.el7.src.rpm
python27-python-2.7.8-14.el7.src.rpm
python27-python-pip-7.1.0-2.el7.src.rpm
python27-python-pymongo-3.2.1-1.el7.src.rpm
python27-python-virtualenv-13.1.0-1.el7.src.rpm
python27-scipy-0.12.1-4.el7.src.rpm

noarch:
python27-python-pip-7.1.0-2.el7.noarch.rpm
python27-python-virtualenv-13.1.0-1.el7.noarch.rpm

x86_64:
python27-1.1-25.el7.x86_64.rpm
python27-PyYAML-3.10-14.el7.x86_64.rpm
python27-PyYAML-debuginfo-3.10-14.el7.x86_64.rpm
python27-numpy-1.7.1-10.el7.x86_64.rpm
python27-numpy-debuginfo-1.7.1-10.el7.x86_64.rpm
python27-numpy-f2py-1.7.1-10.el7.x86_64.rpm
python27-python-2.7.8-14.el7.x86_64.rpm
python27-python-bson-3.2.1-1.el7.x86_64.rpm
python27-python-debug-2.7.8-14.el7.x86_64.rpm
python27-python-debuginfo-2.7.8-14.el7.x86_64.rpm
python27-python-devel-2.7.8-14.el7.x86_64.rpm
python27-python-libs-2.7.8-14.el7.x86_64.rpm
python27-python-pymongo-3.2.1-1.el7.x86_64.rpm
python27-python-pymongo-debuginfo-3.2.1-1.el7.x86_64.rpm
python27-python-pymongo-doc-3.2.1-1.el7.x86_64.rpm
python27-python-pymongo-gridfs-3.2.1-1.el7.x86_64.rpm
python27-python-test-2.7.8-14.el7.x86_64.rpm
python27-python-tools-2.7.8-14.el7.x86_64.rpm
python27-runtime-1.1-25.el7.x86_64.rpm
python27-scipy-0.12.1-4.el7.x86_64.rpm
python27-scipy-debuginfo-0.12.1-4.el7.x86_64.rpm
python27-scldevel-1.1-25.el7.x86_64.rpm
python27-tkinter-2.7.8-14.el7.x86_64.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.1):

noarch:
python27-python-pip-7.1.0-2.el7.noarch.rpm
python27-python-virtualenv-13.1.0-1.el7.noarch.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.2):

noarch:
python27-python-pip-7.1.0-2.el7.noarch.rpm
python27-python-virtualenv-13.1.0-1.el7.noarch.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7):

noarch:
python27-python-pip-7.1.0-2.el7.noarch.rpm
python27-python-virtualenv-13.1.0-1.el7.noarch.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-2013-2099
https://access.redhat.com/security/cve/CVE-2013-7440
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/articles/2039753

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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