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Vulnerability of Python urllib2: information disclosure via CRLF Injection

Synthesis of the vulnerability 

An attacker can bypass access restrictions to data via CRLF Injection of Python urllib2, in order to obtain sensitive information.
Impacted software: Ansible Tower, Debian, Fedora, McAfee Web Gateway, openSUSE Leap, Solaris, Python, RHEL, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this computer vulnerability: 2/4.
Creation date: 25/03/2019.
Références of this announce: 36276, bulletinjul2019, CVE-2019-9740, DLA-1834-1, DLA-1835-1, DLA-1835-2, FEDORA-2019-1ffd6b6064, openSUSE-SU-2019:2131-1, openSUSE-SU-2019:2133-1, RHSA-2019:2030-01, RHSA-2019:3335-01, RHSA-2019:3520-01, RHSA-2019:3725-01, RHSA-2020:1268-01, RHSA-2020:1346-01, RHSA-2020:1462-01, SSA:2019-293-01, SUSE-SU-2019:2331-1, SUSE-SU-2019:2332-1, SUSE-SU-2019:2370-1, USN-4127-1, USN-4127-2, VIGILANCE-VUL-28846.

Description of the vulnerability 

An attacker can bypass access restrictions to data via CRLF Injection of Python urllib2, in order to obtain sensitive information.
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This security announce impacts software or systems such as Ansible Tower, Debian, Fedora, McAfee Web Gateway, openSUSE Leap, Solaris, Python, RHEL, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this threat is medium.

The trust level is of type confirmed by the editor, with an origin of document.

An attacker with a expert ability can exploit this computer vulnerability announce.

Solutions for this threat 

Python: version 3.7.4.
The version 3.7.4 is fixed:
  https://www.python.org/downloads/

Python: version 3.6.9.
The version 3.6.9 is fixed:
  https://www.python.org/downloads/

Python: version 3.5.8.
The version 3.5.8 is fixed:
  https://www.python.org/downloads/

Python urllib2: patch for CRLF Injection.
A patch is indicated in information sources.

Ansible Tower: version 3.5.1.
The version 3.5.1 is fixed:
  https://www.ansible.com/

Debian 8: new python2.7 packages.
New packages are available:
  Debian 8: python2.7 2.7.9-2+deb8u3

Debian 8: new python3.4 packages.
New packages are available:
  Debian 8: python3.4 3.4.2-1+deb8u4

Fedora: new python3 packages.
New packages are available:
  Fedora 30: python3 3.7.3-3.fc30

McAfee Web Gateway: version 8.2.2.
The version 8.2.2 is fixed:
  https://www.mcafee.com/enterprise/en-us/downloads/my-products.html

McAfee Web Gateway: version 9.0.
The version 9.0 is fixed:
  https://www.mcafee.com/enterprise/en-us/downloads/my-products.html

openSUSE Leap: new python-urllib3 packages.
New packages are available:
  openSUSE Leap 15.0: python2-urllib3 1.22-lp150.5.3.1, python3-urllib3 1.22-lp150.5.3.1
  openSUSE Leap 15.1: python2-urllib3 1.24-lp151.2.3.1, python3-urllib3 1.24-lp151.2.3.1

Oracle Solaris: patch for third party software of July 2019 v2.
A patch is available:
  https://support.oracle.com/rs?type=doc&id=1448883.1

RHEL 6/7: new rh-python36-python packages.
New packages are available:
  RHEL 6: rh-python36-python 3.6.9-2.el6
  RHEL 7: rh-python36-python 3.6.9-2.el7

RHEL 7.4: new python packages.
New packages are available:
  RHEL 7.4: python 2.7.5-63.el7_4

RHEL 7.5: new python packages.
New packages are available:
  RHEL 7.5: python 2.7.5-74.el7_5

RHEL 7.6: new python packages.
New packages are available:
  RHEL 7.6: python 2.7.5-83.el7_6

RHEL 7: new python packages.
New packages are available:
  RHEL 7: python 2.7.5-86.el7

RHEL 8: new python27-2.7 module.
The following module is updated:
  RHEL 8 Module: python27:2.7

RHEL 8: new python3 packages.
New packages are available:
  RHEL 8: python3 3.6.8-15.1.el8

Slackware: new python packages.
New packages are available:
  Slackware 14.0: python 2.7.17-*-1_slack14.0
  Slackware 14.1: python 2.7.17-*-1_slack14.1
  Slackware 14.2: python 2.7.17-*-1_slack14.2

SUSE LE 12: new python-urllib3 packages.
New packages are available:
  SUSE LE 12 RTM-SP5: python-urllib3 1.22-3.14.1

SUSE LE 15 RTM: new python-urllib3 packages.
New packages are available:
  SUSE LE 15 RTM: python-urllib3 1.22-6.4.1

SUSE LE 15 SP1: new python-urllib3 packages.
New packages are available:
  SUSE LE 15 SP1: python-urllib3 1.24-9.4.1

Ubuntu: new python packages.
New packages are available:
  Ubuntu 19.04: python2.7 2.7.16-2ubuntu0.1, python3.7 3.7.3-2ubuntu0.1
  Ubuntu 18.04 LTS: python2.7 2.7.15-4ubuntu4~18.04.1, python3.6 3.6.8-1~18.04.2
  Ubuntu 16.04 LTS: python2.7 2.7.12-1ubuntu0~16.04.8, python3.5 3.5.2-2ubuntu0~16.04.8
  Ubuntu 14.04 ESM: python2.7 2.7.6-8ubuntu0.6+esm2, python3.4 3.4.3-1ubuntu1~14.04.7+esm2
  Ubuntu 12.04 ESM: python2.7 2.7.3-0ubuntu3.14

Wind River Linux: version 10.17.41.21.
The version 10.17.41.21 is fixed:
  https://support2.windriver.com/

Wind River Linux: version 10.18.44.17.
The version 10.18.44.17 is fixed:
  https://support2.windriver.com/

Wind River Linux: version 10.19.45.7.
The version 10.19.45.7 is fixed:
  https://support2.windriver.com/
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