A Bubblewrap security update has been released for Gentoo Linux.

gentoo-announce: GLSA 202006-18 : Bubblewrap: Arbitrary code execution

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory GLSA 202006-18
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
  https://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Severity: Normal
Title: Bubblewrap: Arbitrary code execution
Date: June 15, 2020
Bugs: #686114
ID: 202006-18

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Synopsis
========

Bubblewrap misuses temporary directories allowing local code execution.

Background
==========

Bubblewrap is an unprivileged sandboxing tool namespaces-powered
chroot-like solution.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 sys-apps/bubblewrap < 0.4.1 >= 0.4.1

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

Bubblewrap misuses temporary directories in /tmp as a mount point.

Impact
======

This flaw may allow possible execution of code or prevention of running
Bubblewrap.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Bubblewrap users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-apps/bubblewrap-0.4.1"

References
==========

[ 1 ] CVE-2019-12439
  https://nvd.nist.gov/vuln/detail/CVE-2019-12439

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

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

  https://security.gentoo.org/glsa/202006-18

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 2020 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