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[RHSA-2016:1629-01] Moderate: python33-python security update

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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 . More contact

details at https://access.redhat.com/security/team/contact/

 

Copyright 2016 Red Hat, Inc.

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