A FreeRADIUS security update has been released for Gentoo Linux.

GLSA 202101-27 : FreeRADIUS: Root privilege escalation

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Gentoo Linux Security Advisory GLSA 202101-27
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  https://security.gentoo.org/
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Severity: Normal
Title: FreeRADIUS: Root privilege escalation
Date: January 26, 2021
Bugs: #630910
ID: 202101-27

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Synopsis
========

Multiple vulnerabilities were discovered in Gentoo's systemd unit for
FreeRADIUS which could lead to root privilege escalation.

Background
==========

FreeRADIUS is a modular, high performance free RADIUS suite.

Affected packages
=================

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Package / Vulnerable / Unaffected
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1 net-dialup/freeradius < 3.0.20-r1 &rt;= 3.0.20-r1

Description
===========

It was discovered that Gentoo’s FreeRADIUS systemd unit set permissions
on an unsafe directory on start.

Impact
======

A local attacker could escalate privileges.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All FreeRADIUS users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot -v "&rt;=net-dialup/freeradius-3.0.20-r1"

References
==========

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

  https://security.gentoo.org/glsa/202101-27

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
  https://bugs.gentoo.org.

License
=======

Copyright 2021 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

  https://creativecommons.org/licenses/by-sa/2.5