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[gentoo-announce] [ GLSA 201706-04 ] Git: Security bypass

Posted on 06 June 2017
Gentoo-announce

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From: Thomas Deutschmann <whissi@gentoo.org>
Reply-To: security@gentoo.org
To: gentoo-announce@lists.gentoo.org
Message-ID: <9f38c316-43b3-512b-f46f-4ae4063e7530@gentoo.org>
Subject: [ GLSA 201706-04 ] Git: Security bypass

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Gentoo Linux Security Advisory GLSA 201706-04
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https://security.gentoo.org/
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Severity: Normal
Title: Git: Security bypass
Date: June 06, 2017
Bugs: #618126
ID: 201706-04

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Synopsis
========
A vulnerability in Git might allow remote attackers to bypass security
restrictions.

Background
==========
Git is a free and open source distributed version control system
designed to handle everything from small to very large projects with
speed and efficiency.

Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 dev-vcs/git < 2.13.0 >= 2.13.0

Description
===========
Timo Schmid discovered that the Git restricted shell incorrectly
filtered allowed commands.

Impact
======
A remote attacker could possibly bypass security restrictions and
access sensitive information.

Workaround
==========
There is no known workaround at this time.

Resolution
==========
All Git users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-vcs/git-2.13.0"

References
==========
[ 1 ] CVE-2017-8386
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-8386

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

https://security.gentoo.org/glsa/201706-04

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.

http://creativecommons.org/licenses/by-sa/2.5


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