* [gentoo-announce] [ GLSA 201711-09 ] LXC: Remote security bypass
@ 2017-11-11 15:11 99% Aaron Bauman
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From: Aaron Bauman @ 2017-11-11 15:11 UTC (permalink / raw
To: gentoo-announce
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Gentoo Linux Security Advisory GLSA 201711-09
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https://security.gentoo.org/
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Severity: Normal
Title: LXC: Remote security bypass
Date: November 11, 2017
Bugs: #636386
ID: 201711-09
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Synopsis
========
A vulnerability in LXC may lead to an unauthorized security bypass.
Background
==========
LinuX Containers userspace utilities
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 app-emulation/lxc < 2.0.7 >= 2.0.7
Description
===========
Previous versions of lxc-attach ran a shell or the specified command
without allocating a pseudo terminal making it vulnerable to input
faking via a TIOCSTI ioctl call.
Impact
======
Remote attackers can escape the container and perform unauthorized
modifications.
Workaround
==========
There is no know workaround at this time.
Resolution
==========
All LXC users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-emulation/lxc-2.0.7"
References
==========
[ 1 ] CVE-2016-10124
https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-10124
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201711-09
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
=======
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