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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
=================
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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
secur...@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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