[ 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
=================

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  net-dialup/freeradius      < 3.0.20-r1              >= 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 ">=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
[email protected] 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

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