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Vulnerability of Zsh: code execution via Shebang Line Substring

Synthesis of the vulnerability 

An attacker can use a vulnerability via Shebang Line Substring of Zsh, in order to run code.
Impacted systems: Fedora, openSUSE Leap, RHEL, SLES, Ubuntu.
Severity of this alert: 2/4.
Creation date: 12/09/2018.
Références of this alert: CVE-2018-13259, FEDORA-2018-16bb8b00c5, FEDORA-2018-8b1b2373b4, openSUSE-SU-2018:2741-1, openSUSE-SU-2018:2966-1, RHSA-2019:2017-01, SUSE-SU-2018:2686-1, USN-3764-1, VIGILANCE-VUL-27209.

Description of the vulnerability 

An attacker can use a vulnerability via Shebang Line Substring of Zsh, in order to run code.
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This vulnerability note impacts software or systems such as Fedora, openSUSE Leap, RHEL, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this cybersecurity vulnerability 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 threat note.

Solutions for this threat 

Fedora: new zsh packages.
New packages are available:
  Fedora 27: zsh 5.4.1-4.fc27
  Fedora 28: zsh 5.5.1-2.fc28

openSUSE Leap 15.0: new zsh packages.
New packages are available:
  openSUSE Leap 15.0: zsh 5.6-lp150.2.6.1

openSUSE Leap 42.3: new zsh packages (02/10/2018).
New packages are available:
  openSUSE Leap 42.3: zsh 5.6.2-9.6.1

RHEL 7: new zsh packages.
New packages are available:
  RHEL 7: zsh 5.0.2-33.el7

SUSE LE 15: new zsh packages.
New packages are available:
  SUSE LE 15 RTM: zsh 5.6-3.6.1

Ubuntu: new zsh packages.
New packages are available:
  Ubuntu 18.04 LTS: zsh 5.4.2-3ubuntu3.1
  Ubuntu 16.04 LTS: zsh 5.1.1-1ubuntu2.3
  Ubuntu 14.04 LTS: zsh 5.0.2-3ubuntu6.3
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