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Sicherheit: Zwei Probleme in GnuPG
Aktuelle Meldungen Distributionen
Name: Zwei Probleme in GnuPG
ID: 201606-04
Distribution: Gentoo
Plattformen: Keine Angabe
Datum: So, 5. Juni 2016, 23:09
Referenzen: http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-0837
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-3591

Originalnachricht

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From: Yury German <blueknight@gentoo.org>
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To: gentoo-announce@lists.gentoo.org
Message-ID: <1621944f-fa33-23d7-9d91-b327db83bd96@gentoo.org>
Subject: [ GLSA 201606-04 ] GnuPG: Multiple vulnerabilities

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Gentoo Linux Security Advisory GLSA 201606-04
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https://security.gentoo.org/
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Severity: Normal
Title: GnuPG: Multiple vulnerabilities
Date: June 05, 2016
Bugs: #534110, #541564, #541568
ID: 201606-04

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Synopsis
========

Multiple vulnerabilities have been found in GnuPG and libgcrypt, the
worst of which may allow a local attacker to obtain confidential key
information.

Background
==========

The GNU Privacy Guard, GnuPG, is a free replacement for the PGP suite
of cryptographic software.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 app-crypt/gnupg < 2.0.26-r3 *>= 1.4.19
>= 2.0.26-r3
2 dev-libs/libgcrypt < 1.6.3-r4 >= 1.6.3-r4
-------------------------------------------------------------------
2 affected packages

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

Multiple vulnerabilities have been discovered in GnuPG and libgcrypt,
please review the CVE identifiers referenced below for details.

Impact
======

A local attacker could possibly cause a Denial of Service condition.
Side-channel attacks could be leveraged to obtain key material.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All GnuPG 2 users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=app-crypt/gnupg-2.0.26-r3"

All GnuPG 1 users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=app-crypt/gnupg-1.4.19"

All libgcrypt users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-libs/libgcrypt-1.6.3-r4"

References
==========

[ 1 ] CVE-2014-3591
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-3591
[ 2 ] CVE-2015-0837
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-0837

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

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

https://security.gentoo.org/glsa/201606-04

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 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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