GLSA 202101-27: FreeRADIUS: Root privilege escalation

http://security.gentoo.org/

Severity:	normal
Title:	FreeRADIUS: Root privilege escalation
Date:	01/26/2021
Bugs:	#630910
ID:	202101-27

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	Architecture(s)
net-dialup/freeradius	< 3.0.20-r1	>= 3.0.20-r1	All supported architectures

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 --verbose ">=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: http://security.gentoo.org/glsa/glsa-202101-27.xml

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.