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

Posted on 15 June 2020
Gentoo-announce

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Gentoo Linux Security Advisory GLSA 202006-18
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https://security.gentoo.org/
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Severity: Normal
Title: Bubblewrap: Arbitrary code execution
Date: June 15, 2020
Bugs: #686114
ID: 202006-18

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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

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