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Vulnerability of Ruby: information disclosure via JSON Library

Synthesis of the vulnerability 

An attacker can bypass access restrictions to data via JSON Library of Ruby, in order to obtain sensitive information.
Impacted software: Mac OS X, Debian, Fedora, Solaris, RHEL, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this computer vulnerability: 2/4.
Creation date: 06/09/2017.
Références of this announce: bulletinjan2019, CVE-2017-14064, DLA-1114-1, DLA-1421-1, DSA-3966-1, FEDORA-2017-e136d63c99, HT208937, HT209193, RHSA-2017:3485-01, RHSA-2018:0378-01, RHSA-2018:0583-01, RHSA-2018:0585-01, SSA:2017-261-03, SUSE-SU-2020:1570-1, USN-3439-1, USN-3528-1, USN-3685-1, USN-3685-2, VIGILANCE-VUL-23734.

Description of the vulnerability 

An attacker can bypass access restrictions to data via JSON Library of Ruby, in order to obtain sensitive information.
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This security alert impacts software or systems such as Mac OS X, Debian, Fedora, Solaris, RHEL, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this security weakness 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 announce.

Solutions for this threat 

Apple macOS: version 10.13.6.
The version 10.13.6 is fixed:
  https://support.apple.com/

Apple macOS: version 10.14.1.
The version 10.14.1 is fixed:
  https://support.apple.com/

Debian 7: new ruby1.9.1 packages.
New packages are available:
  Debian 7: ruby1.9.1 1.9.3.194-8.1+deb7u6

Debian 8: new ruby2.1 packages (16/07/2018).
New packages are available:
  Debian 8: ruby2.1 2.1.5-2+deb8u4

Debian 9: new ruby2.3 packages.
New packages are available:
  Debian 9: ruby2.3 2.3.3-1+deb9u1

Fedora 25: new ruby packages.
New packages are available:
  Fedora 25: ruby 2.3.4-64.fc25

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

RHEL 7.4: new ruby packages.
New packages are available:
  RHEL 7: ruby 2.0.0.648-33.el7_4

RHEL: new rh-ruby22-ruby packages.
New packages are available:
  RHEL 6: rh-ruby22-ruby 2.2.9-19.el6
  RHEL 7: rh-ruby22-ruby 2.2.9-19.el7

RHEL: new rh-ruby23-ruby packages.
New packages are available:
  RHEL 6: rh-ruby23-ruby 2.3.6-67.el6
  RHEL 7: rh-ruby23-ruby 2.3.6-67.el7

RHEL: new rh-ruby24-ruby packages.
New packages are available:
  RHEL 6: rh-ruby24-ruby 2.4.2-86.el6
  RHEL 7: rh-ruby24-ruby 2.4.2-86.el7

Slackware: new ruby packages.
New packages are available:
  Slackware 14.2: ruby 2.2.8-*-1_slack14.2

SUSE LE 12: new ruby2.1 packages.
New packages are available:
  SUSE LE 12 SP2: ruby2.1 2.1.9-19.3.2
  SUSE LE 12 SP3: ruby2.1 2.1.9-19.3.2
  SUSE LE 12 SP4: ruby2.1 2.1.9-19.3.2
  SUSE LE 12 SP5: ruby2.1 2.1.9-19.3.2

Ubuntu: new ruby1 packages.
New packages are available:
  Ubuntu 14.04 LTS: ruby1.9.1 1.9.3.484-2ubuntu1.5

Ubuntu: new ruby packages (11/01/2018).
New packages are available:
  Ubuntu 17.10: ruby2.3 2.3.3-1ubuntu1.2
  Ubuntu 16.04 LTS: ruby2.3 2.3.1-2~16.04.5
  Ubuntu 14.04 LTS: ruby1.9.1 1.9.3.484-2ubuntu1.7, ruby1.9.3 1.9.3.484-2ubuntu1.7

Ubuntu: new ruby packages (14/06/2018).
New packages are available:
  Ubuntu 17.10: ruby2.3 2.3.3-1ubuntu1.6
  Ubuntu 16.04 LTS: ruby2.3 2.3.1-2~16.04.10
  Ubuntu 14.04 LTS: ruby1.9.1 1.9.3.484-2ubuntu1.12, ruby1.9.3 1.9.3.484-2ubuntu1.12, ruby2.0 2.0.0.484-1ubuntu2.13+esm1

Wind River Linux: solution of End-October 2017.
The solution is indicated in information sources.
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