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Sicherheit: Mehrere Probleme in Git
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Git
ID: 201605-01
Distribution: Gentoo
Plattformen: Keine Angabe
Datum: Mo, 2. Mai 2016, 23:10
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2324
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7545
http://seclists.org/oss-sec/2016/q1/645
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2315

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From: Kristian Fiskerstrand <k_f@gentoo.org>
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To: gentoo-announce@lists.gentoo.org
Message-ID: <afb5bcd4-2a59-a213-fc98-4c74ae67a90f@gentoo.org>
Subject: [ GLSA 201605-01 ] Git: Multiple vulnerabilities

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Gentoo Linux Security Advisory GLSA 201605-01
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https://security.gentoo.org/
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Severity: Normal
Title: Git: Multiple vulnerabilities
Date: May 02, 2016
Bugs: #562884, #577482
ID: 201605-01

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Synopsis
========

Git contains multiple vulnerabilities that allow for the remote
execution of arbitrary code.

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 < 2.7.3-r1 >= 2.7.3-r1

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

Git is vulnerable to the remote execution of arbitrary code by cloning
repositories with large filenames or a large number of nested trees.
Additionally, some protocols within Git, such as git-remote-ext, can
execute arbitrary code found within URLs. These URLs that submodules
use may come from arbitrary sources (e.g., .gitmodules files in a
remote repository), and can effect those who enable recursive fetch.
Restrict the allowed protocols to well known and safe ones.

Impact
======

Remote attackers could execute arbitrary code on both client and
server.

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-2.7.3-r1"

References
==========

[ 1 ] Buffer overflow in all git versions before 2.7.1
http://seclists.org/oss-sec/2016/q1/645
[ 2 ] CVE-2015-7545
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7545
[ 3 ] CVE-2016-2315
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2315
[ 4 ] CVE-2016-2324
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2324

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

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

https://security.gentoo.org/glsa/201605-01

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 2016 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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