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Vulnerability of Python: denial of service via Poplib Regular Expressions

Synthesis of the vulnerability 

An attacker can generate a fatal error via Poplib Regular Expressions of Python, in order to trigger a denial of service.
Vulnerable software: Debian, VNX Operating Environment, VNX Series, Fedora, IBM i, openSUSE Leap, Solaris, Python, RHEL, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this announce: 2/4.
Creation date: 30/03/2018.
Références of this computer vulnerability: bulletinjan2019, CVE-2018-1061, DLA-1519-1, DLA-1520-1, DSA-2019-131, DSA-2019-197, DSA-4306-1, DSA-4307-1, FEDORA-2018-a042f795b2, FEDORA-2018-aa8de9d66a, ibm10725759, openSUSE-SU-2018:2712-1, openSUSE-SU-2018:3703-1, openSUSE-SU-2020:0086-1, RHSA-2018:3041-01, RHSA-2019:3725-01, RHSA-2020:1268-01, RHSA-2020:1346-01, SSA:2018-124-01, SUSE-SU-2018:2408-1, SUSE-SU-2018:2696-1, SUSE-SU-2018:3554-1, SUSE-SU-2018:3554-2, SUSE-SU-2020:0114-1, SUSE-SU-2020:0234-1, USN-3817-1, USN-3817-2, VIGILANCE-VUL-25735.

Description of the vulnerability 

An attacker can generate a fatal error via Poplib Regular Expressions of Python, in order to trigger a denial of service.
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This cybersecurity announce impacts software or systems such as Debian, VNX Operating Environment, VNX Series, Fedora, IBM i, openSUSE Leap, Solaris, Python, RHEL, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this threat alert 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 weakness alert.

Solutions for this threat 

Python: version 3.6.5.
The version 3.6.5 is fixed:
  https://www.python.org/

Python: version 3.5.6.
The version 3.5.6 is fixed:
  https://www.python.org/downloads/

Python: version 3.4.9.
The version 3.4.9 is fixed:
  https://www.python.org/downloads/

Debian 8: new python2.7 packages.
New packages are available:
  Debian 8: python2.7 2.7.9-2+deb8u2

Debian 8: new python3.4 packages.
New packages are available:
  Debian 8: python3.4 3.4.2-1+deb8u1

Debian 9: new python2.7 packages.
New packages are available:
  Debian 9: python2.7 2.7.13-2+deb9u3

Debian 9: new python3.5 packages.
New packages are available:
  Debian 9: python3.5 3.5.3-1+deb9u1

Dell EMC VNXe3200: version 3.1.10.9946299.
The version 3.1.10.9946299 is fixed:
  https://www.dell.com/

Dell EMC VNXe: version MR4 Service Pack 5.
The version MR4 Service Pack 5 is fixed:
  https://www.dell.com/support/

Fedora: new python3-docs packages.
New packages are available:
  Fedora 26: python3-docs 3.6.5-1.fc26
  Fedora 27: python3-docs 3.6.5-1.fc27

Fedora: new python3 packages.
New packages are available:
  Fedora 26: python3 3.6.5-1.fc26
  Fedora 27: python3 3.6.5-1.fc27

Fedora: new python-pip packages.
New packages are available:
  Fedora 26: python-pip 9.0.3-1.fc26
  Fedora 27: python-pip 9.0.3-1.fc27

IBM i: solution for Python.
The solution is indicated in information sources.

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 python3 packages.
New packages are available:
  openSUSE Leap 42.3: python3 3.4.6-12.6.1

openSUSE Leap 42.3: new python packages.
New packages are available:
  openSUSE Leap 42.3: python 2.7.13-27.9.1

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

Oracle Solaris: patch for third party software of January 2019 v3.
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: new python packages.
New packages are available:
  RHEL 7: python 2.7.5-76.el7

Slackware: new python packages (07/05/2018).
New packages are available:
  Slackware 14.0: python 2.7.15-*-1_slack14.0
  Slackware 14.1: python 2.7.15-*-1_slack14.1
  Slackware 14.2: python 2.7.15-*-1_slack14.2

SUSE LE 11: new python packages.
New packages are available:
  SUSE LE 11 SP3: python 2.6.9-40.15.1
  SUSE LE 11 SP4: python 2.6.9-40.15.1

SUSE LE 12 SP3: new python3 packages.
New packages are available:
  SUSE LE 12 SP3: python3 3.4.6-25.16.1

SUSE LE 12 SP3: new python packages.
New packages are available:
  SUSE LE 12 SP3: python 2.7.13-28.16.1

SUSE LE 12 SP4: new python packages.
New packages are available:
  SUSE LE 12 SP4: python 2.7.13-28.16.1

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 (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 18.04 LTS: python2.7 2.7.15~rc1-1ubuntu0.1
  Ubuntu 16.04 LTS: python2.7 2.7.12-1ubuntu0~16.04.4, python3.5 3.5.2-2ubuntu0~16.04.5
  Ubuntu 14.04 LTS: python2.7 2.7.6-8ubuntu0.5, python3.4 3.4.3-1ubuntu1~14.04.7
  Ubuntu 12.04 ESM: python2.7 2.7.3-0ubuntu3.11
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