GLSA 201412-44: policycoreutils: Privilege escalation

http://security.gentoo.org/

Severity:	high
Title:	policycoreutils: Privilege escalation
Date:	12/26/2014
Bugs:	#509896
ID:	201412-44

Synopsis

A vulnerability in policycoreutils could lead to local privilege escalation.

Background

policycoreutils is a collection of SELinux policy utilities.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
sys-apps/policycoreutils	< 2.2.5-r4	>= 2.2.5-r4	All supported architectures

Description

The seunshare utility is owned by root with 4755 permissions which can be exploited by a setuid system call.

Impact

A local attacker may be able to gain escalated privileges.

Workaround

There is no known workaround at this time.

Resolution

All policycoreutils users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose
      ">=sys-apps/policycoreutils-2.2.5-r4"

References

CVE-2014-3215

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201412-44.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.