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Vulnerability of Git: code execution via PS1 Variable

Synthesis of the vulnerability 

An attacker can use a vulnerability via PS1 Variable of Git, in order to run code.
Vulnerable products: Junos Space, RHEL, Ubuntu.
Severity of this weakness: 2/4.
Creation date: 23/03/2017.
Références of this bulletin: CVE-2014-9938, JSA11023, RHSA-2017:2004-01, USN-3243-1, VIGILANCE-VUL-22242.

Description of the vulnerability 

An attacker can use a vulnerability via PS1 Variable of Git, in order to run code.
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This cybersecurity threat impacts software or systems such as Junos Space, RHEL, 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 internet server.

An attacker with a expert ability can exploit this security threat.

Solutions for this threat 

Junos Space: version 20.1R1.
The version 20.1R1 is fixed:
  https://www.juniper.net/support/downloads/

RHEL 7: new git packages.
New packages are available:
  RHEL 7: git 1.8.3.1-11.el7

Ubuntu 14.04: new git packages.
New packages are available:
  Ubuntu 14.04 LTS: git 1:1.9.1-1ubuntu0.4
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