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Vulnerability of Ansible Core: privilege escalation via ansible_facts

Synthesis of the vulnerability 

An attacker can bypass restrictions via ansible_facts of Ansible Core, in order to escalate his privileges.
Impacted products: Ansible Core, Fedora.
Severity of this bulletin: 2/4.
Creation date: 25/03/2020.
Références of this threat: CVE-2020-10684, FEDORA-2020-1b6ce91e37, FEDORA-2020-f80154b5b4, RHBUG-1815519, VIGILANCE-VUL-31875.

Description of the vulnerability 

An attacker can bypass restrictions via ansible_facts of Ansible Core, in order to escalate his privileges.
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This vulnerability announce impacts software or systems such as Ansible Core, Fedora.

Our Vigil@nce team determined that the severity of this cybersecurity threat is medium.

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

An attacker with a expert ability can exploit this computer threat bulletin.

Solutions for this threat 

Ansible Core: version 2.9.7.
The version 2.9.7 is fixed:
  https://releases.ansible.com/ansible/ansible-2.9.7.tar.gz

Ansible Core: version 2.8.11.
The version 2.8.11 is fixed:
  https://releases.ansible.com/ansible/ansible-2.8.11.tar.gz

Ansible Core: version 2.7.17.
The version 2.7.17 is fixed:
  https://releases.ansible.com/ansible/ansible-2.7.17.tar.gz

Ansible Core: patch for ansible_facts.
A patch is indicated in information sources.

Fedora 30, 31: new ansible packages.
New packages are available:
  Fedora 30: ansible 2.9.7-1.fc30
  Fedora 31: ansible 2.9.7-1.fc31
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