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Gentoo Linux Security Advisory 202101-27

Gentoo Linux Security Advisory 202101-27
Posted Jan 26, 2021
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202101-27 - Multiple vulnerabilities were discovered in Gentoo's systemd unit for FreeRADIUS which could lead to root privilege escalation. Versions less than 3.0.20-r1 are affected.

tags | advisory, root, vulnerability
systems | linux, gentoo
MD5 | 7e2962d787843d00fee0a532e98438f5

Gentoo Linux Security Advisory 202101-27

Change Mirror Download
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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
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

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