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Vulnerability of Kubernetes: wrong access right assignement to cached files

Synthesis of the vulnerability 

When a user specifies a world writable folder as cache, Kubernetes creates new files as world writable. A local attacker can read and write to the user files.
Vulnerable software: Kubernetes.
Severity of this announce: 1/4.
Creation date: 24/04/2019.
Références of this computer vulnerability: 76676, CVE-2019-11244, VIGILANCE-VUL-29125.

Description of the vulnerability 

When a user specifies a world writable folder as cache, Kubernetes creates new files as world writable. A local attacker can therefore read and write to the user files.
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This weakness announce impacts software or systems such as Kubernetes.

Our Vigil@nce team determined that the severity of this vulnerability alert is low.

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 computer threat announce.

Solutions for this threat 

Kubernetes: version 1.12.9.
The version 1.12.9 is fixed:
  https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.12.md#downloads-for-v1129

Wind River Linux: solution (21/05/2019).
The solution is indicated in information sources.
This bulletin fixes more than 100 vulnerabilities, but only the 100 recent vulnerabilities were associated to this bulletin.
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