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.
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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 >= 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