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Vulnerability of pcs: information disclosure via Debug Parameter

Synthesis of the vulnerability 

An attacker can bypass access restrictions to data via Debug Parameter of pcs, in order to obtain sensitive information.
Impacted products: Debian, Fedora, RHEL.
Severity of this bulletin: 2/4.
Creation date: 10/04/2018.
Références of this threat: CVE-2018-1086, DSA-4169-1, DSA-4339-1, DSA-4339-2, FEDORA-2018-ce5d7106d8, RHSA-2018:1060-01, RHSA-2018:1927-01, VIGILANCE-VUL-25821.

Description of the vulnerability 

An attacker can bypass access restrictions to data via Debug Parameter of pcs, in order to obtain sensitive information.
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This cybersecurity bulletin impacts software or systems such as Debian, Fedora, RHEL.

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

The trust level is of type confirmed by the editor, with an origin of intranet client.

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

Solutions for this threat 

Debian 9: new ceph packages.
New packages are available:
  Debian 9: ceph 10.2.11-2

Debian 9: new pcs packages.
New packages are available:
  Debian 9: pcs 0.9.155+dfsg-2+deb9u1

Fedora 26: new pcs packages.
New packages are available:
  Fedora 26: pcs 0.9.160-2.fc26

RHEL 6: new pcs packages.
New packages are available:
  RHEL 6: pcs 0.9.155-3.el6

RHEL 7.5: new pcs packages.
New packages are available:
  RHEL 7: pcs 0.9.162-5.el7_5.1
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