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Gentoo Linux Security Advisory                           GLSA 201702-03
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                                           https://security.gentoo.org/
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 Severity: High
    Title: Firejail: Privilege escalation
     Date: February 09, 2017
     Bugs: #607382
       ID: 201702-03

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Synopsis
========

Firejail is vulnerable to the escalation of privileges due to an
incomplete fix for CVE-2017-5180.

Background
==========

A SUID program that reduces the risk of security breaches by
restricting the running environment of untrusted applications using
Linux namespaces and seccomp-bpf.

Affected packages
=================

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  sys-apps/firejail           < 0.9.44.8               >= 0.9.44.8
  2  sys-apps/firejail-lts      < 0.9.38.10              >= 0.9.38.10
    -------------------------------------------------------------------
     2 affected packages

Description
===========

The unaffected packages listed in GLSA 201612-48 had an incomplete fix
as reported by Sebastian Krahmer of SuSE. This has been properly
patched in the latest releases.

Impact
======

An attacker could possibly bypass sandbox protection, cause a Denial of
Service condition, or escalate privileges.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Firejail users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=sys-apps/firejail-0.9.44.8"

All Firejail-lts users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot -v ">=sys-apps/firejail-lts-0.9.38.10"

References
==========

[ 1 ] CVE-2017-5940
      https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-5940
[ 2 ] Firejail Release Notes
      https://firejail.wordpress.com/download-2/release-notes/
[ 3 ] GLSA 201612-48
      https://security.gentoo.org/glsa/201612-48

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

 https://security.gentoo.org/glsa/201702-03

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 2017 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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