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Vulnerability of Docker Engine: privilege escalation via Ambient Capability

Synthesis of the vulnerability 

An attacker can bypass restrictions via Ambient Capability of Docker Engine, in order to escalate his privileges.
Vulnerable software: Docker CE, openSUSE Leap, RHEL.
Severity of this announce: 2/4.
Creation date: 27/10/2016.
Références of this computer vulnerability: CVE-2016-8867, openSUSE-SU-2016:3009-1, RHSA-2020:2653-01, VIGILANCE-VUL-20977.

Description of the vulnerability 

An attacker can bypass restrictions via Ambient Capability of Docker Engine, in order to escalate his privileges.
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This computer weakness note impacts software or systems such as Docker CE, openSUSE Leap, RHEL.

Our Vigil@nce team determined that the severity of this security bulletin is medium.

The trust level is of type confirmed by the editor, with an origin of user shell.

An attacker with a expert ability can exploit this weakness announce.

Solutions for this threat 

Docker Engine: version 1.12.3.
The version 1.12.3 is fixed:
  https://github.com/docker/docker/

openSUSE Leap: new docker packages.
New packages are available:
  openSUSE Leap 42.1: docker 1.12.3-24.1
  openSUSE Leap 42.2: docker 1.12.3-22.1

RHEL 7.8: new docker packages.
New packages are available:
  RHEL 7.8: docker 1.13.1-162.git64e9980.el7_8
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