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Vulnerability of FreeRADIUS: privilege escalation via logrotate

Synthesis of the vulnerability 

An attacker can bypass restrictions via the logrotate configuration for FreeRADIUS, in order to escalate his privileges.
Impacted systems: Fedora, FreeRADIUS, RHEL.
Severity of this alert: 1/4.
Creation date: 27/05/2019.
Références of this alert: AIT-SA-20191112-01, CVE-2019-10143, FEDORA-2019-4a8eeaf80e, RHSA-2019:3353-01, RHSA-2020:3984-01, VIGILANCE-VUL-29411.

Description of the vulnerability 

An attacker can bypass restrictions via the logrotate configuration for FreeRADIUS, in order to escalate his privileges.
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This vulnerability announce impacts software or systems such as Fedora, FreeRADIUS, RHEL.

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

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

A proof of concept or an attack tool is available, so your teams have to process this alert. An attacker with a technician ability can exploit this computer threat bulletin.

Solutions for this threat 

FreeRADIUS: patch for logrotate.
A patch is available:
  https://github.com/FreeRADIUS/freeradius-server/pull/2666/files

Fedora 30: new freeradius packages.
New packages are available:
  Fedora 30: freeradius 3.0.19-3.fc30

RHEL 7.8: new freeradius packages.
New packages are available:
  RHEL 7.0-7.8: freeradius 3.0.13-15.el7

RHEL 8: new freeradius-3.0 module.
The following module is updated:
  RHEL 8 Module: freeradius:3.0

Wind River Linux: version 10.18.44.9.
The version 10.18.44.9 is fixed:
  https://support2.windriver.com/
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