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Vulnerability of Python: NULL pointer dereference via _get_crl_dp

Synthesis of the vulnerability 

An attacker can force a NULL pointer to be dereferenced via _get_crl_dp() of Python, in order to trigger a denial of service.
Vulnerable systems: Debian, Fedora, McAfee Web Gateway, openSUSE Leap, Solaris, Python, RHEL, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this threat: 2/4.
Creation date: 24/01/2019.
Références of this weakness: 35746, bulletinjul2019, CVE-2019-5010, DLA-1663-1, DLA-1834-1, DLA-2280-1, FEDORA-2019-00870e8bfc, openSUSE-SU-2019:0155-1, openSUSE-SU-2019:0184-1, openSUSE-SU-2019:0292-1, openSUSE-SU-2020:0086-1, RHSA-2019:2030-01, RHSA-2019:3520-01, RHSA-2019:3725-01, SSA:2019-062-01, SUSE-SU-2019:0215-1, SUSE-SU-2019:0223-1, SUSE-SU-2019:0243-1, SUSE-SU-2019:0271-1, SUSE-SU-2019:0482-1, SUSE-SU-2019:0482-2, SUSE-SU-2020:0114-1, SUSE-SU-2020:0234-1, SUSE-SU-2020:0302-1, TALOS-2019-0758, USN-4127-1, USN-4127-2, VIGILANCE-VUL-28358.

Description of the vulnerability 

An attacker can force a NULL pointer to be dereferenced via _get_crl_dp() of Python, in order to trigger a denial of service.
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This cybersecurity threat impacts software or systems such as 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 computer threat note 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 security threat.

Solutions for this threat 

Python: version 3.7.3.
The version 3.7.3 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 3.5.7.
The version 3.5.7 is fixed:
  https://www.python.org/downloads/

Python: version 3.4.10.
The version 3.4.10 is fixed:
  https://www.python.org/downloads/

Python: patch for _get_crl_dp.
A patch is indicated in information sources.

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+deb8u2

Debian 9: new python3.5 packages.
New packages are available:
  Debian 9: python3.5 3.5.3-1+deb9u2

Fedora 29: new anaconda packages.
New packages are available:
  Fedora 29: anaconda 29.24.7-2.fc29

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 15.0: new python3 packages.
New packages are available:
  openSUSE Leap 15.0: python3 3.6.5-lp150.2.6.1

openSUSE Leap 15.0: new python packages.
New packages are available:
  openSUSE Leap 15.0: python 2.7.14-lp150.6.6.1

openSUSE Leap 15.1: new python3 packages (22/01/2020).
New packages are available:
  openSUSE Leap 15.1: python3 3.6.10-lp151.6.7.1

openSUSE Leap 42.3: new python packages.
New packages are available:
  openSUSE Leap 42.3: python 2.7.13-27.12.1

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

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 2.7.16-*-1_slack14.0
  Slackware 14.1: python 2.7.16-*-1_slack14.1
  Slackware 14.2: python 2.7.16-*-1_slack14.2

SUSE LE 12: new python3 packages.
New packages are available:
  SUSE LE 12 SP1: python3 3.4.6-25.21.1
  SUSE LE 12 SP2: python3 3.4.6-25.21.1
  SUSE LE 12 SP3: python3 3.4.6-25.21.1
  SUSE LE 12 SP4: python3 3.4.6-25.21.1

SUSE LE 12: new python packages.
New packages are available:
  SUSE LE 12 SP1: python 2.7.13-28.21.1
  SUSE LE 12 SP2: python 2.7.13-28.21.1
  SUSE LE 12 SP3: python 2.7.13-28.21.1
  SUSE LE 12 SP4: python 2.7.13-28.21.1

SUSE LE 12 RTM: new python packages.
New packages are available:
  SUSE LE 12 RTM: python 2.7.9-16.7.1

SUSE LE 12 SP5: new python36 packages.
New packages are available:
  SUSE LE 12 SP5: python36 3.6.10-4.3.5

SUSE LE 15: new python3 packages (01/02/2019).
New packages are available:
  SUSE LE 15 RTM: python3 3.6.5-3.8.1

SUSE LE 15: new python3 packages (16/01/2020).
New packages are available:
  SUSE LE 15 RTM: python3 3.6.10-3.42.2
  SUSE LE 15 SP1: python3 3.6.10-3.42.2

SUSE LE 15: new python packages (07/02/2019).
New packages are available:
  SUSE LE 15 RTM: python 2.7.14-7.6.1

SUSE LE 15: new python packages (27/01/2020).
New packages are available:
  SUSE LE 15 RTM: python 2.7.17-7.32.2
  SUSE LE 15 SP1: python 2.7.17-7.32.2

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: solution (21/05/2019).
The solution is indicated in information sources.
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