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

Synopsis:          Moderate: python33-python security update
Advisory ID:       RHSA-2016:1629-01
Product:           Red Hat Software Collections
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2016-1629.html
Issue date:        2016-08-18
CVE Names:         CVE-2016-0772 CVE-2016-1000110 CVE-2016-5699 
=====================================================================

1. Summary:

An update for python33-python is now available for Red Hat Software
Collections.

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

* It was discovered that the Python CGIHandler class did not properly
protect against the HTTP_PROXY variable name clash in a CGI context. A
remote attacker could possibly use this flaw to redirect HTTP requests
performed by a Python CGI script to an attacker-controlled proxy via a
malicious HTTP request. (CVE-2016-1000110)

* It was found that Python's smtplib library did not return an exception
when StartTLS failed to be established in the SMTP.starttls() function. A
man in the middle attacker could strip out the STARTTLS command without
generating an exception on the Python SMTP client application, preventing
the establishment of the TLS layer. (CVE-2016-0772)

* It was found that the Python's httplib library (used by urllib, urllib2
and others) did not properly check HTTPConnection.putheader() function
arguments. An attacker could use this flaw to inject additional headers in
a Python application that allowed user provided header names or values.
(CVE-2016-5699)

Red Hat would like to thank Scott Geary (VendHQ) for reporting
CVE-2016-1000110.

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/):

1303647 - CVE-2016-0772 python: smtplib StartTLS stripping attack
1303699 - CVE-2016-5699 python: http protocol steam injection attack
1357334 - CVE-2016-1000110 Python CGIHandler: sets environmental variable based on user supplied Proxy request header

6. Package List:

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

Source:
python33-python-3.3.2-18.el6.src.rpm

x86_64:
python33-python-3.3.2-18.el6.x86_64.rpm
python33-python-debug-3.3.2-18.el6.x86_64.rpm
python33-python-debuginfo-3.3.2-18.el6.x86_64.rpm
python33-python-devel-3.3.2-18.el6.x86_64.rpm
python33-python-libs-3.3.2-18.el6.x86_64.rpm
python33-python-test-3.3.2-18.el6.x86_64.rpm
python33-python-tkinter-3.3.2-18.el6.x86_64.rpm
python33-python-tools-3.3.2-18.el6.x86_64.rpm

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

Source:
python33-python-3.3.2-18.el6.src.rpm

x86_64:
python33-python-3.3.2-18.el6.x86_64.rpm
python33-python-debug-3.3.2-18.el6.x86_64.rpm
python33-python-debuginfo-3.3.2-18.el6.x86_64.rpm
python33-python-devel-3.3.2-18.el6.x86_64.rpm
python33-python-libs-3.3.2-18.el6.x86_64.rpm
python33-python-test-3.3.2-18.el6.x86_64.rpm
python33-python-tkinter-3.3.2-18.el6.x86_64.rpm
python33-python-tools-3.3.2-18.el6.x86_64.rpm

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

Source:
python33-python-3.3.2-18.el6.src.rpm

x86_64:
python33-python-3.3.2-18.el6.x86_64.rpm
python33-python-debug-3.3.2-18.el6.x86_64.rpm
python33-python-debuginfo-3.3.2-18.el6.x86_64.rpm
python33-python-devel-3.3.2-18.el6.x86_64.rpm
python33-python-libs-3.3.2-18.el6.x86_64.rpm
python33-python-test-3.3.2-18.el6.x86_64.rpm
python33-python-tkinter-3.3.2-18.el6.x86_64.rpm
python33-python-tools-3.3.2-18.el6.x86_64.rpm

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

Source:
python33-python-3.3.2-18.el6.src.rpm

x86_64:
python33-python-3.3.2-18.el6.x86_64.rpm
python33-python-debug-3.3.2-18.el6.x86_64.rpm
python33-python-debuginfo-3.3.2-18.el6.x86_64.rpm
python33-python-devel-3.3.2-18.el6.x86_64.rpm
python33-python-libs-3.3.2-18.el6.x86_64.rpm
python33-python-test-3.3.2-18.el6.x86_64.rpm
python33-python-tkinter-3.3.2-18.el6.x86_64.rpm
python33-python-tools-3.3.2-18.el6.x86_64.rpm

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

Source:
python33-python-3.3.2-16.el7.src.rpm

x86_64:
python33-python-3.3.2-16.el7.x86_64.rpm
python33-python-debug-3.3.2-16.el7.x86_64.rpm
python33-python-debuginfo-3.3.2-16.el7.x86_64.rpm
python33-python-devel-3.3.2-16.el7.x86_64.rpm
python33-python-libs-3.3.2-16.el7.x86_64.rpm
python33-python-test-3.3.2-16.el7.x86_64.rpm
python33-python-tkinter-3.3.2-16.el7.x86_64.rpm
python33-python-tools-3.3.2-16.el7.x86_64.rpm

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

Source:
python33-python-3.3.2-16.el7.src.rpm

x86_64:
python33-python-3.3.2-16.el7.x86_64.rpm
python33-python-debug-3.3.2-16.el7.x86_64.rpm
python33-python-debuginfo-3.3.2-16.el7.x86_64.rpm
python33-python-devel-3.3.2-16.el7.x86_64.rpm
python33-python-libs-3.3.2-16.el7.x86_64.rpm
python33-python-test-3.3.2-16.el7.x86_64.rpm
python33-python-tkinter-3.3.2-16.el7.x86_64.rpm
python33-python-tools-3.3.2-16.el7.x86_64.rpm

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

Source:
python33-python-3.3.2-16.el7.src.rpm

x86_64:
python33-python-3.3.2-16.el7.x86_64.rpm
python33-python-debug-3.3.2-16.el7.x86_64.rpm
python33-python-debuginfo-3.3.2-16.el7.x86_64.rpm
python33-python-devel-3.3.2-16.el7.x86_64.rpm
python33-python-libs-3.3.2-16.el7.x86_64.rpm
python33-python-test-3.3.2-16.el7.x86_64.rpm
python33-python-tkinter-3.3.2-16.el7.x86_64.rpm
python33-python-tools-3.3.2-16.el7.x86_64.rpm

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

Source:
python33-python-3.3.2-16.el7.src.rpm

x86_64:
python33-python-3.3.2-16.el7.x86_64.rpm
python33-python-debug-3.3.2-16.el7.x86_64.rpm
python33-python-debuginfo-3.3.2-16.el7.x86_64.rpm
python33-python-devel-3.3.2-16.el7.x86_64.rpm
python33-python-libs-3.3.2-16.el7.x86_64.rpm
python33-python-test-3.3.2-16.el7.x86_64.rpm
python33-python-tkinter-3.3.2-16.el7.x86_64.rpm
python33-python-tools-3.3.2-16.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-2016-0772
https://access.redhat.com/security/cve/CVE-2016-1000110
https://access.redhat.com/security/cve/CVE-2016-5699
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

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

Copyright 2016 Red Hat, Inc.
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